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commit: 6480b3fa1da27836df3f2d330135e093e74e79a0 |
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Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> |
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AuthorDate: Wed Sep 27 16:44:36 2017 +0000 |
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Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> |
5 |
CommitDate: Wed Sep 27 16:44:36 2017 +0000 |
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URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=6480b3fa |
7 |
|
8 |
Linux patch 4.13.4 |
9 |
|
10 |
0000_README | 4 + |
11 |
1003_linux-4.13.4.patch | 5143 +++++++++++++++++++++++++++++++++++++++++++++++ |
12 |
2 files changed, 5147 insertions(+) |
13 |
|
14 |
diff --git a/0000_README b/0000_README |
15 |
index 70f03ff..aee01b0 100644 |
16 |
--- a/0000_README |
17 |
+++ b/0000_README |
18 |
@@ -55,6 +55,10 @@ Patch: 1002_linux-4.13.3.patch |
19 |
From: http://www.kernel.org |
20 |
Desc: Linux 4.13.3 |
21 |
|
22 |
+Patch: 1003_linux-4.13.4.patch |
23 |
+From: http://www.kernel.org |
24 |
+Desc: Linux 4.13.4 |
25 |
+ |
26 |
Patch: 1500_XATTR_USER_PREFIX.patch |
27 |
From: https://bugs.gentoo.org/show_bug.cgi?id=470644 |
28 |
Desc: Support for namespace user.pax.* on tmpfs. |
29 |
|
30 |
diff --git a/1003_linux-4.13.4.patch b/1003_linux-4.13.4.patch |
31 |
new file mode 100644 |
32 |
index 0000000..b118fe3 |
33 |
--- /dev/null |
34 |
+++ b/1003_linux-4.13.4.patch |
35 |
@@ -0,0 +1,5143 @@ |
36 |
+diff --git a/Documentation/dev-tools/gdb-kernel-debugging.rst b/Documentation/dev-tools/gdb-kernel-debugging.rst |
37 |
+index 5e93c9bc6619..19df79286f00 100644 |
38 |
+--- a/Documentation/dev-tools/gdb-kernel-debugging.rst |
39 |
++++ b/Documentation/dev-tools/gdb-kernel-debugging.rst |
40 |
+@@ -31,11 +31,13 @@ Setup |
41 |
+ CONFIG_DEBUG_INFO_REDUCED off. If your architecture supports |
42 |
+ CONFIG_FRAME_POINTER, keep it enabled. |
43 |
+ |
44 |
+-- Install that kernel on the guest. |
45 |
++- Install that kernel on the guest, turn off KASLR if necessary by adding |
46 |
++ "nokaslr" to the kernel command line. |
47 |
+ Alternatively, QEMU allows to boot the kernel directly using -kernel, |
48 |
+ -append, -initrd command line switches. This is generally only useful if |
49 |
+ you do not depend on modules. See QEMU documentation for more details on |
50 |
+- this mode. |
51 |
++ this mode. In this case, you should build the kernel with |
52 |
++ CONFIG_RANDOMIZE_BASE disabled if the architecture supports KASLR. |
53 |
+ |
54 |
+ - Enable the gdb stub of QEMU/KVM, either |
55 |
+ |
56 |
+diff --git a/Makefile b/Makefile |
57 |
+index 0f31ef4aea7b..159901979dec 100644 |
58 |
+--- a/Makefile |
59 |
++++ b/Makefile |
60 |
+@@ -1,6 +1,6 @@ |
61 |
+ VERSION = 4 |
62 |
+ PATCHLEVEL = 13 |
63 |
+-SUBLEVEL = 3 |
64 |
++SUBLEVEL = 4 |
65 |
+ EXTRAVERSION = |
66 |
+ NAME = Fearless Coyote |
67 |
+ |
68 |
+diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S |
69 |
+index 1eea99beecc3..85d9ea4a0acc 100644 |
70 |
+--- a/arch/arc/kernel/entry.S |
71 |
++++ b/arch/arc/kernel/entry.S |
72 |
+@@ -92,6 +92,12 @@ ENTRY(EV_MachineCheck) |
73 |
+ lr r0, [efa] |
74 |
+ mov r1, sp |
75 |
+ |
76 |
++ ; hardware auto-disables MMU, re-enable it to allow kernel vaddr |
77 |
++ ; access for say stack unwinding of modules for crash dumps |
78 |
++ lr r3, [ARC_REG_PID] |
79 |
++ or r3, r3, MMU_ENABLE |
80 |
++ sr r3, [ARC_REG_PID] |
81 |
++ |
82 |
+ lsr r3, r2, 8 |
83 |
+ bmsk r3, r3, 7 |
84 |
+ brne r3, ECR_C_MCHK_DUP_TLB, 1f |
85 |
+diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c |
86 |
+index b181f3ee38aa..ac81502055f8 100644 |
87 |
+--- a/arch/arc/mm/tlb.c |
88 |
++++ b/arch/arc/mm/tlb.c |
89 |
+@@ -908,9 +908,6 @@ void do_tlb_overlap_fault(unsigned long cause, unsigned long address, |
90 |
+ |
91 |
+ local_irq_save(flags); |
92 |
+ |
93 |
+- /* re-enable the MMU */ |
94 |
+- write_aux_reg(ARC_REG_PID, MMU_ENABLE | read_aux_reg(ARC_REG_PID)); |
95 |
+- |
96 |
+ /* loop thru all sets of TLB */ |
97 |
+ for (set = 0; set < mmu->sets; set++) { |
98 |
+ |
99 |
+diff --git a/arch/mips/math-emu/dp_fmax.c b/arch/mips/math-emu/dp_fmax.c |
100 |
+index fd71b8daaaf2..5bec64f2884e 100644 |
101 |
+--- a/arch/mips/math-emu/dp_fmax.c |
102 |
++++ b/arch/mips/math-emu/dp_fmax.c |
103 |
+@@ -47,14 +47,26 @@ union ieee754dp ieee754dp_fmax(union ieee754dp x, union ieee754dp y) |
104 |
+ case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF): |
105 |
+ return ieee754dp_nanxcpt(x); |
106 |
+ |
107 |
+- /* numbers are preferred to NaNs */ |
108 |
++ /* |
109 |
++ * Quiet NaN handling |
110 |
++ */ |
111 |
++ |
112 |
++ /* |
113 |
++ * The case of both inputs quiet NaNs |
114 |
++ */ |
115 |
++ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
116 |
++ return x; |
117 |
++ |
118 |
++ /* |
119 |
++ * The cases of exactly one input quiet NaN (numbers |
120 |
++ * are here preferred as returned values to NaNs) |
121 |
++ */ |
122 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN): |
123 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_QNAN): |
124 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_QNAN): |
125 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_QNAN): |
126 |
+ return x; |
127 |
+ |
128 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
129 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_ZERO): |
130 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_NORM): |
131 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_DNORM): |
132 |
+@@ -80,9 +92,7 @@ union ieee754dp ieee754dp_fmax(union ieee754dp x, union ieee754dp y) |
133 |
+ return ys ? x : y; |
134 |
+ |
135 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_ZERO): |
136 |
+- if (xs == ys) |
137 |
+- return x; |
138 |
+- return ieee754dp_zero(1); |
139 |
++ return ieee754dp_zero(xs & ys); |
140 |
+ |
141 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM): |
142 |
+ DPDNORMX; |
143 |
+@@ -106,16 +116,32 @@ union ieee754dp ieee754dp_fmax(union ieee754dp x, union ieee754dp y) |
144 |
+ else if (xs < ys) |
145 |
+ return x; |
146 |
+ |
147 |
+- /* Compare exponent */ |
148 |
+- if (xe > ye) |
149 |
+- return x; |
150 |
+- else if (xe < ye) |
151 |
+- return y; |
152 |
++ /* Signs of inputs are equal, let's compare exponents */ |
153 |
++ if (xs == 0) { |
154 |
++ /* Inputs are both positive */ |
155 |
++ if (xe > ye) |
156 |
++ return x; |
157 |
++ else if (xe < ye) |
158 |
++ return y; |
159 |
++ } else { |
160 |
++ /* Inputs are both negative */ |
161 |
++ if (xe > ye) |
162 |
++ return y; |
163 |
++ else if (xe < ye) |
164 |
++ return x; |
165 |
++ } |
166 |
+ |
167 |
+- /* Compare mantissa */ |
168 |
++ /* Signs and exponents of inputs are equal, let's compare mantissas */ |
169 |
++ if (xs == 0) { |
170 |
++ /* Inputs are both positive, with equal signs and exponents */ |
171 |
++ if (xm <= ym) |
172 |
++ return y; |
173 |
++ return x; |
174 |
++ } |
175 |
++ /* Inputs are both negative, with equal signs and exponents */ |
176 |
+ if (xm <= ym) |
177 |
+- return y; |
178 |
+- return x; |
179 |
++ return x; |
180 |
++ return y; |
181 |
+ } |
182 |
+ |
183 |
+ union ieee754dp ieee754dp_fmaxa(union ieee754dp x, union ieee754dp y) |
184 |
+@@ -147,14 +173,26 @@ union ieee754dp ieee754dp_fmaxa(union ieee754dp x, union ieee754dp y) |
185 |
+ case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF): |
186 |
+ return ieee754dp_nanxcpt(x); |
187 |
+ |
188 |
+- /* numbers are preferred to NaNs */ |
189 |
++ /* |
190 |
++ * Quiet NaN handling |
191 |
++ */ |
192 |
++ |
193 |
++ /* |
194 |
++ * The case of both inputs quiet NaNs |
195 |
++ */ |
196 |
++ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
197 |
++ return x; |
198 |
++ |
199 |
++ /* |
200 |
++ * The cases of exactly one input quiet NaN (numbers |
201 |
++ * are here preferred as returned values to NaNs) |
202 |
++ */ |
203 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN): |
204 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_QNAN): |
205 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_QNAN): |
206 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_QNAN): |
207 |
+ return x; |
208 |
+ |
209 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
210 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_ZERO): |
211 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_NORM): |
212 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_DNORM): |
213 |
+@@ -164,6 +202,9 @@ union ieee754dp ieee754dp_fmaxa(union ieee754dp x, union ieee754dp y) |
214 |
+ /* |
215 |
+ * Infinity and zero handling |
216 |
+ */ |
217 |
++ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF): |
218 |
++ return ieee754dp_inf(xs & ys); |
219 |
++ |
220 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_ZERO): |
221 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_NORM): |
222 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_DNORM): |
223 |
+@@ -171,7 +212,6 @@ union ieee754dp ieee754dp_fmaxa(union ieee754dp x, union ieee754dp y) |
224 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_ZERO): |
225 |
+ return x; |
226 |
+ |
227 |
+- case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF): |
228 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_INF): |
229 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_INF): |
230 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_INF): |
231 |
+@@ -180,9 +220,7 @@ union ieee754dp ieee754dp_fmaxa(union ieee754dp x, union ieee754dp y) |
232 |
+ return y; |
233 |
+ |
234 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_ZERO): |
235 |
+- if (xs == ys) |
236 |
+- return x; |
237 |
+- return ieee754dp_zero(1); |
238 |
++ return ieee754dp_zero(xs & ys); |
239 |
+ |
240 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM): |
241 |
+ DPDNORMX; |
242 |
+@@ -207,7 +245,11 @@ union ieee754dp ieee754dp_fmaxa(union ieee754dp x, union ieee754dp y) |
243 |
+ return y; |
244 |
+ |
245 |
+ /* Compare mantissa */ |
246 |
+- if (xm <= ym) |
247 |
++ if (xm < ym) |
248 |
+ return y; |
249 |
+- return x; |
250 |
++ else if (xm > ym) |
251 |
++ return x; |
252 |
++ else if (xs == 0) |
253 |
++ return x; |
254 |
++ return y; |
255 |
+ } |
256 |
+diff --git a/arch/mips/math-emu/dp_fmin.c b/arch/mips/math-emu/dp_fmin.c |
257 |
+index c1072b0dfb95..a287b23818d8 100644 |
258 |
+--- a/arch/mips/math-emu/dp_fmin.c |
259 |
++++ b/arch/mips/math-emu/dp_fmin.c |
260 |
+@@ -47,14 +47,26 @@ union ieee754dp ieee754dp_fmin(union ieee754dp x, union ieee754dp y) |
261 |
+ case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF): |
262 |
+ return ieee754dp_nanxcpt(x); |
263 |
+ |
264 |
+- /* numbers are preferred to NaNs */ |
265 |
++ /* |
266 |
++ * Quiet NaN handling |
267 |
++ */ |
268 |
++ |
269 |
++ /* |
270 |
++ * The case of both inputs quiet NaNs |
271 |
++ */ |
272 |
++ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
273 |
++ return x; |
274 |
++ |
275 |
++ /* |
276 |
++ * The cases of exactly one input quiet NaN (numbers |
277 |
++ * are here preferred as returned values to NaNs) |
278 |
++ */ |
279 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN): |
280 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_QNAN): |
281 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_QNAN): |
282 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_QNAN): |
283 |
+ return x; |
284 |
+ |
285 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
286 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_ZERO): |
287 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_NORM): |
288 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_DNORM): |
289 |
+@@ -80,9 +92,7 @@ union ieee754dp ieee754dp_fmin(union ieee754dp x, union ieee754dp y) |
290 |
+ return ys ? y : x; |
291 |
+ |
292 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_ZERO): |
293 |
+- if (xs == ys) |
294 |
+- return x; |
295 |
+- return ieee754dp_zero(1); |
296 |
++ return ieee754dp_zero(xs | ys); |
297 |
+ |
298 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM): |
299 |
+ DPDNORMX; |
300 |
+@@ -106,16 +116,32 @@ union ieee754dp ieee754dp_fmin(union ieee754dp x, union ieee754dp y) |
301 |
+ else if (xs < ys) |
302 |
+ return y; |
303 |
+ |
304 |
+- /* Compare exponent */ |
305 |
+- if (xe > ye) |
306 |
+- return y; |
307 |
+- else if (xe < ye) |
308 |
+- return x; |
309 |
++ /* Signs of inputs are the same, let's compare exponents */ |
310 |
++ if (xs == 0) { |
311 |
++ /* Inputs are both positive */ |
312 |
++ if (xe > ye) |
313 |
++ return y; |
314 |
++ else if (xe < ye) |
315 |
++ return x; |
316 |
++ } else { |
317 |
++ /* Inputs are both negative */ |
318 |
++ if (xe > ye) |
319 |
++ return x; |
320 |
++ else if (xe < ye) |
321 |
++ return y; |
322 |
++ } |
323 |
+ |
324 |
+- /* Compare mantissa */ |
325 |
++ /* Signs and exponents of inputs are equal, let's compare mantissas */ |
326 |
++ if (xs == 0) { |
327 |
++ /* Inputs are both positive, with equal signs and exponents */ |
328 |
++ if (xm <= ym) |
329 |
++ return x; |
330 |
++ return y; |
331 |
++ } |
332 |
++ /* Inputs are both negative, with equal signs and exponents */ |
333 |
+ if (xm <= ym) |
334 |
+- return x; |
335 |
+- return y; |
336 |
++ return y; |
337 |
++ return x; |
338 |
+ } |
339 |
+ |
340 |
+ union ieee754dp ieee754dp_fmina(union ieee754dp x, union ieee754dp y) |
341 |
+@@ -147,14 +173,26 @@ union ieee754dp ieee754dp_fmina(union ieee754dp x, union ieee754dp y) |
342 |
+ case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF): |
343 |
+ return ieee754dp_nanxcpt(x); |
344 |
+ |
345 |
+- /* numbers are preferred to NaNs */ |
346 |
++ /* |
347 |
++ * Quiet NaN handling |
348 |
++ */ |
349 |
++ |
350 |
++ /* |
351 |
++ * The case of both inputs quiet NaNs |
352 |
++ */ |
353 |
++ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
354 |
++ return x; |
355 |
++ |
356 |
++ /* |
357 |
++ * The cases of exactly one input quiet NaN (numbers |
358 |
++ * are here preferred as returned values to NaNs) |
359 |
++ */ |
360 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN): |
361 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_QNAN): |
362 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_QNAN): |
363 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_QNAN): |
364 |
+ return x; |
365 |
+ |
366 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
367 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_ZERO): |
368 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_NORM): |
369 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_DNORM): |
370 |
+@@ -164,25 +202,25 @@ union ieee754dp ieee754dp_fmina(union ieee754dp x, union ieee754dp y) |
371 |
+ /* |
372 |
+ * Infinity and zero handling |
373 |
+ */ |
374 |
++ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF): |
375 |
++ return ieee754dp_inf(xs | ys); |
376 |
++ |
377 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_ZERO): |
378 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_NORM): |
379 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_DNORM): |
380 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_ZERO): |
381 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_ZERO): |
382 |
+- return x; |
383 |
++ return y; |
384 |
+ |
385 |
+- case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF): |
386 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_INF): |
387 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_INF): |
388 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_INF): |
389 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_NORM): |
390 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_DNORM): |
391 |
+- return y; |
392 |
++ return x; |
393 |
+ |
394 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_ZERO): |
395 |
+- if (xs == ys) |
396 |
+- return x; |
397 |
+- return ieee754dp_zero(1); |
398 |
++ return ieee754dp_zero(xs | ys); |
399 |
+ |
400 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM): |
401 |
+ DPDNORMX; |
402 |
+@@ -207,7 +245,11 @@ union ieee754dp ieee754dp_fmina(union ieee754dp x, union ieee754dp y) |
403 |
+ return x; |
404 |
+ |
405 |
+ /* Compare mantissa */ |
406 |
+- if (xm <= ym) |
407 |
++ if (xm < ym) |
408 |
++ return x; |
409 |
++ else if (xm > ym) |
410 |
++ return y; |
411 |
++ else if (xs == 1) |
412 |
+ return x; |
413 |
+ return y; |
414 |
+ } |
415 |
+diff --git a/arch/mips/math-emu/dp_maddf.c b/arch/mips/math-emu/dp_maddf.c |
416 |
+index caa62f20a888..e0d9be5fbf4c 100644 |
417 |
+--- a/arch/mips/math-emu/dp_maddf.c |
418 |
++++ b/arch/mips/math-emu/dp_maddf.c |
419 |
+@@ -14,22 +14,45 @@ |
420 |
+ |
421 |
+ #include "ieee754dp.h" |
422 |
+ |
423 |
+-enum maddf_flags { |
424 |
+- maddf_negate_product = 1 << 0, |
425 |
+-}; |
426 |
++ |
427 |
++/* 128 bits shift right logical with rounding. */ |
428 |
++void srl128(u64 *hptr, u64 *lptr, int count) |
429 |
++{ |
430 |
++ u64 low; |
431 |
++ |
432 |
++ if (count >= 128) { |
433 |
++ *lptr = *hptr != 0 || *lptr != 0; |
434 |
++ *hptr = 0; |
435 |
++ } else if (count >= 64) { |
436 |
++ if (count == 64) { |
437 |
++ *lptr = *hptr | (*lptr != 0); |
438 |
++ } else { |
439 |
++ low = *lptr; |
440 |
++ *lptr = *hptr >> (count - 64); |
441 |
++ *lptr |= (*hptr << (128 - count)) != 0 || low != 0; |
442 |
++ } |
443 |
++ *hptr = 0; |
444 |
++ } else { |
445 |
++ low = *lptr; |
446 |
++ *lptr = low >> count | *hptr << (64 - count); |
447 |
++ *lptr |= (low << (64 - count)) != 0; |
448 |
++ *hptr = *hptr >> count; |
449 |
++ } |
450 |
++} |
451 |
+ |
452 |
+ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x, |
453 |
+ union ieee754dp y, enum maddf_flags flags) |
454 |
+ { |
455 |
+ int re; |
456 |
+ int rs; |
457 |
+- u64 rm; |
458 |
+ unsigned lxm; |
459 |
+ unsigned hxm; |
460 |
+ unsigned lym; |
461 |
+ unsigned hym; |
462 |
+ u64 lrm; |
463 |
+ u64 hrm; |
464 |
++ u64 lzm; |
465 |
++ u64 hzm; |
466 |
+ u64 t; |
467 |
+ u64 at; |
468 |
+ int s; |
469 |
+@@ -48,52 +71,34 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x, |
470 |
+ |
471 |
+ ieee754_clearcx(); |
472 |
+ |
473 |
+- switch (zc) { |
474 |
+- case IEEE754_CLASS_SNAN: |
475 |
+- ieee754_setcx(IEEE754_INVALID_OPERATION); |
476 |
++ /* |
477 |
++ * Handle the cases when at least one of x, y or z is a NaN. |
478 |
++ * Order of precedence is sNaN, qNaN and z, x, y. |
479 |
++ */ |
480 |
++ if (zc == IEEE754_CLASS_SNAN) |
481 |
+ return ieee754dp_nanxcpt(z); |
482 |
+- case IEEE754_CLASS_DNORM: |
483 |
+- DPDNORMZ; |
484 |
+- /* QNAN and ZERO cases are handled separately below */ |
485 |
+- } |
486 |
+- |
487 |
+- switch (CLPAIR(xc, yc)) { |
488 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_SNAN): |
489 |
+- case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_SNAN): |
490 |
+- case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_SNAN): |
491 |
+- case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_SNAN): |
492 |
+- case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_SNAN): |
493 |
+- return ieee754dp_nanxcpt(y); |
494 |
+- |
495 |
+- case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_SNAN): |
496 |
+- case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_QNAN): |
497 |
+- case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_ZERO): |
498 |
+- case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_NORM): |
499 |
+- case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_DNORM): |
500 |
+- case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF): |
501 |
++ if (xc == IEEE754_CLASS_SNAN) |
502 |
+ return ieee754dp_nanxcpt(x); |
503 |
+- |
504 |
+- case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN): |
505 |
+- case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_QNAN): |
506 |
+- case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_QNAN): |
507 |
+- case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_QNAN): |
508 |
++ if (yc == IEEE754_CLASS_SNAN) |
509 |
++ return ieee754dp_nanxcpt(y); |
510 |
++ if (zc == IEEE754_CLASS_QNAN) |
511 |
++ return z; |
512 |
++ if (xc == IEEE754_CLASS_QNAN) |
513 |
++ return x; |
514 |
++ if (yc == IEEE754_CLASS_QNAN) |
515 |
+ return y; |
516 |
+ |
517 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
518 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_ZERO): |
519 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_NORM): |
520 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_DNORM): |
521 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_INF): |
522 |
+- return x; |
523 |
++ if (zc == IEEE754_CLASS_DNORM) |
524 |
++ DPDNORMZ; |
525 |
++ /* ZERO z cases are handled separately below */ |
526 |
+ |
527 |
++ switch (CLPAIR(xc, yc)) { |
528 |
+ |
529 |
+ /* |
530 |
+ * Infinity handling |
531 |
+ */ |
532 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_ZERO): |
533 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_INF): |
534 |
+- if (zc == IEEE754_CLASS_QNAN) |
535 |
+- return z; |
536 |
+ ieee754_setcx(IEEE754_INVALID_OPERATION); |
537 |
+ return ieee754dp_indef(); |
538 |
+ |
539 |
+@@ -102,9 +107,27 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x, |
540 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_NORM): |
541 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_DNORM): |
542 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF): |
543 |
+- if (zc == IEEE754_CLASS_QNAN) |
544 |
+- return z; |
545 |
+- return ieee754dp_inf(xs ^ ys); |
546 |
++ if ((zc == IEEE754_CLASS_INF) && |
547 |
++ ((!(flags & MADDF_NEGATE_PRODUCT) && (zs != (xs ^ ys))) || |
548 |
++ ((flags & MADDF_NEGATE_PRODUCT) && (zs == (xs ^ ys))))) { |
549 |
++ /* |
550 |
++ * Cases of addition of infinities with opposite signs |
551 |
++ * or subtraction of infinities with same signs. |
552 |
++ */ |
553 |
++ ieee754_setcx(IEEE754_INVALID_OPERATION); |
554 |
++ return ieee754dp_indef(); |
555 |
++ } |
556 |
++ /* |
557 |
++ * z is here either not an infinity, or an infinity having the |
558 |
++ * same sign as product (x*y) (in case of MADDF.D instruction) |
559 |
++ * or product -(x*y) (in MSUBF.D case). The result must be an |
560 |
++ * infinity, and its sign is determined only by the value of |
561 |
++ * (flags & MADDF_NEGATE_PRODUCT) and the signs of x and y. |
562 |
++ */ |
563 |
++ if (flags & MADDF_NEGATE_PRODUCT) |
564 |
++ return ieee754dp_inf(1 ^ (xs ^ ys)); |
565 |
++ else |
566 |
++ return ieee754dp_inf(xs ^ ys); |
567 |
+ |
568 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_ZERO): |
569 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_NORM): |
570 |
+@@ -113,32 +136,42 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x, |
571 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_ZERO): |
572 |
+ if (zc == IEEE754_CLASS_INF) |
573 |
+ return ieee754dp_inf(zs); |
574 |
+- /* Multiplication is 0 so just return z */ |
575 |
++ if (zc == IEEE754_CLASS_ZERO) { |
576 |
++ /* Handle cases +0 + (-0) and similar ones. */ |
577 |
++ if ((!(flags & MADDF_NEGATE_PRODUCT) |
578 |
++ && (zs == (xs ^ ys))) || |
579 |
++ ((flags & MADDF_NEGATE_PRODUCT) |
580 |
++ && (zs != (xs ^ ys)))) |
581 |
++ /* |
582 |
++ * Cases of addition of zeros of equal signs |
583 |
++ * or subtraction of zeroes of opposite signs. |
584 |
++ * The sign of the resulting zero is in any |
585 |
++ * such case determined only by the sign of z. |
586 |
++ */ |
587 |
++ return z; |
588 |
++ |
589 |
++ return ieee754dp_zero(ieee754_csr.rm == FPU_CSR_RD); |
590 |
++ } |
591 |
++ /* x*y is here 0, and z is not 0, so just return z */ |
592 |
+ return z; |
593 |
+ |
594 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM): |
595 |
+ DPDNORMX; |
596 |
+ |
597 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM): |
598 |
+- if (zc == IEEE754_CLASS_QNAN) |
599 |
+- return z; |
600 |
+- else if (zc == IEEE754_CLASS_INF) |
601 |
++ if (zc == IEEE754_CLASS_INF) |
602 |
+ return ieee754dp_inf(zs); |
603 |
+ DPDNORMY; |
604 |
+ break; |
605 |
+ |
606 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_NORM): |
607 |
+- if (zc == IEEE754_CLASS_QNAN) |
608 |
+- return z; |
609 |
+- else if (zc == IEEE754_CLASS_INF) |
610 |
++ if (zc == IEEE754_CLASS_INF) |
611 |
+ return ieee754dp_inf(zs); |
612 |
+ DPDNORMX; |
613 |
+ break; |
614 |
+ |
615 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_NORM): |
616 |
+- if (zc == IEEE754_CLASS_QNAN) |
617 |
+- return z; |
618 |
+- else if (zc == IEEE754_CLASS_INF) |
619 |
++ if (zc == IEEE754_CLASS_INF) |
620 |
+ return ieee754dp_inf(zs); |
621 |
+ /* fall through to real computations */ |
622 |
+ } |
623 |
+@@ -157,7 +190,7 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x, |
624 |
+ |
625 |
+ re = xe + ye; |
626 |
+ rs = xs ^ ys; |
627 |
+- if (flags & maddf_negate_product) |
628 |
++ if (flags & MADDF_NEGATE_PRODUCT) |
629 |
+ rs ^= 1; |
630 |
+ |
631 |
+ /* shunt to top of word */ |
632 |
+@@ -165,7 +198,7 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x, |
633 |
+ ym <<= 64 - (DP_FBITS + 1); |
634 |
+ |
635 |
+ /* |
636 |
+- * Multiply 64 bits xm, ym to give high 64 bits rm with stickness. |
637 |
++ * Multiply 64 bits xm and ym to give 128 bits result in hrm:lrm. |
638 |
+ */ |
639 |
+ |
640 |
+ /* 32 * 32 => 64 */ |
641 |
+@@ -195,81 +228,110 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x, |
642 |
+ |
643 |
+ hrm = hrm + (t >> 32); |
644 |
+ |
645 |
+- rm = hrm | (lrm != 0); |
646 |
+- |
647 |
+- /* |
648 |
+- * Sticky shift down to normal rounding precision. |
649 |
+- */ |
650 |
+- if ((s64) rm < 0) { |
651 |
+- rm = (rm >> (64 - (DP_FBITS + 1 + 3))) | |
652 |
+- ((rm << (DP_FBITS + 1 + 3)) != 0); |
653 |
++ /* Put explicit bit at bit 126 if necessary */ |
654 |
++ if ((int64_t)hrm < 0) { |
655 |
++ lrm = (hrm << 63) | (lrm >> 1); |
656 |
++ hrm = hrm >> 1; |
657 |
+ re++; |
658 |
+- } else { |
659 |
+- rm = (rm >> (64 - (DP_FBITS + 1 + 3 + 1))) | |
660 |
+- ((rm << (DP_FBITS + 1 + 3 + 1)) != 0); |
661 |
+ } |
662 |
+- assert(rm & (DP_HIDDEN_BIT << 3)); |
663 |
+ |
664 |
+- if (zc == IEEE754_CLASS_ZERO) |
665 |
+- return ieee754dp_format(rs, re, rm); |
666 |
++ assert(hrm & (1 << 62)); |
667 |
+ |
668 |
+- /* And now the addition */ |
669 |
+- assert(zm & DP_HIDDEN_BIT); |
670 |
++ if (zc == IEEE754_CLASS_ZERO) { |
671 |
++ /* |
672 |
++ * Move explicit bit from bit 126 to bit 55 since the |
673 |
++ * ieee754dp_format code expects the mantissa to be |
674 |
++ * 56 bits wide (53 + 3 rounding bits). |
675 |
++ */ |
676 |
++ srl128(&hrm, &lrm, (126 - 55)); |
677 |
++ return ieee754dp_format(rs, re, lrm); |
678 |
++ } |
679 |
+ |
680 |
+- /* |
681 |
+- * Provide guard,round and stick bit space. |
682 |
+- */ |
683 |
+- zm <<= 3; |
684 |
++ /* Move explicit bit from bit 52 to bit 126 */ |
685 |
++ lzm = 0; |
686 |
++ hzm = zm << 10; |
687 |
++ assert(hzm & (1 << 62)); |
688 |
+ |
689 |
++ /* Make the exponents the same */ |
690 |
+ if (ze > re) { |
691 |
+ /* |
692 |
+ * Have to shift y fraction right to align. |
693 |
+ */ |
694 |
+ s = ze - re; |
695 |
+- rm = XDPSRS(rm, s); |
696 |
++ srl128(&hrm, &lrm, s); |
697 |
+ re += s; |
698 |
+ } else if (re > ze) { |
699 |
+ /* |
700 |
+ * Have to shift x fraction right to align. |
701 |
+ */ |
702 |
+ s = re - ze; |
703 |
+- zm = XDPSRS(zm, s); |
704 |
++ srl128(&hzm, &lzm, s); |
705 |
+ ze += s; |
706 |
+ } |
707 |
+ assert(ze == re); |
708 |
+ assert(ze <= DP_EMAX); |
709 |
+ |
710 |
++ /* Do the addition */ |
711 |
+ if (zs == rs) { |
712 |
+ /* |
713 |
+- * Generate 28 bit result of adding two 27 bit numbers |
714 |
+- * leaving result in xm, xs and xe. |
715 |
++ * Generate 128 bit result by adding two 127 bit numbers |
716 |
++ * leaving result in hzm:lzm, zs and ze. |
717 |
+ */ |
718 |
+- zm = zm + rm; |
719 |
+- |
720 |
+- if (zm >> (DP_FBITS + 1 + 3)) { /* carry out */ |
721 |
+- zm = XDPSRS1(zm); |
722 |
++ hzm = hzm + hrm + (lzm > (lzm + lrm)); |
723 |
++ lzm = lzm + lrm; |
724 |
++ if ((int64_t)hzm < 0) { /* carry out */ |
725 |
++ srl128(&hzm, &lzm, 1); |
726 |
+ ze++; |
727 |
+ } |
728 |
+ } else { |
729 |
+- if (zm >= rm) { |
730 |
+- zm = zm - rm; |
731 |
++ if (hzm > hrm || (hzm == hrm && lzm >= lrm)) { |
732 |
++ hzm = hzm - hrm - (lzm < lrm); |
733 |
++ lzm = lzm - lrm; |
734 |
+ } else { |
735 |
+- zm = rm - zm; |
736 |
++ hzm = hrm - hzm - (lrm < lzm); |
737 |
++ lzm = lrm - lzm; |
738 |
+ zs = rs; |
739 |
+ } |
740 |
+- if (zm == 0) |
741 |
++ if (lzm == 0 && hzm == 0) |
742 |
+ return ieee754dp_zero(ieee754_csr.rm == FPU_CSR_RD); |
743 |
+ |
744 |
+ /* |
745 |
+- * Normalize to rounding precision. |
746 |
++ * Put explicit bit at bit 126 if necessary. |
747 |
+ */ |
748 |
+- while ((zm >> (DP_FBITS + 3)) == 0) { |
749 |
+- zm <<= 1; |
750 |
+- ze--; |
751 |
++ if (hzm == 0) { |
752 |
++ /* left shift by 63 or 64 bits */ |
753 |
++ if ((int64_t)lzm < 0) { |
754 |
++ /* MSB of lzm is the explicit bit */ |
755 |
++ hzm = lzm >> 1; |
756 |
++ lzm = lzm << 63; |
757 |
++ ze -= 63; |
758 |
++ } else { |
759 |
++ hzm = lzm; |
760 |
++ lzm = 0; |
761 |
++ ze -= 64; |
762 |
++ } |
763 |
++ } |
764 |
++ |
765 |
++ t = 0; |
766 |
++ while ((hzm >> (62 - t)) == 0) |
767 |
++ t++; |
768 |
++ |
769 |
++ assert(t <= 62); |
770 |
++ if (t) { |
771 |
++ hzm = hzm << t | lzm >> (64 - t); |
772 |
++ lzm = lzm << t; |
773 |
++ ze -= t; |
774 |
+ } |
775 |
+ } |
776 |
+ |
777 |
+- return ieee754dp_format(zs, ze, zm); |
778 |
++ /* |
779 |
++ * Move explicit bit from bit 126 to bit 55 since the |
780 |
++ * ieee754dp_format code expects the mantissa to be |
781 |
++ * 56 bits wide (53 + 3 rounding bits). |
782 |
++ */ |
783 |
++ srl128(&hzm, &lzm, (126 - 55)); |
784 |
++ |
785 |
++ return ieee754dp_format(zs, ze, lzm); |
786 |
+ } |
787 |
+ |
788 |
+ union ieee754dp ieee754dp_maddf(union ieee754dp z, union ieee754dp x, |
789 |
+@@ -281,5 +343,5 @@ union ieee754dp ieee754dp_maddf(union ieee754dp z, union ieee754dp x, |
790 |
+ union ieee754dp ieee754dp_msubf(union ieee754dp z, union ieee754dp x, |
791 |
+ union ieee754dp y) |
792 |
+ { |
793 |
+- return _dp_maddf(z, x, y, maddf_negate_product); |
794 |
++ return _dp_maddf(z, x, y, MADDF_NEGATE_PRODUCT); |
795 |
+ } |
796 |
+diff --git a/arch/mips/math-emu/ieee754int.h b/arch/mips/math-emu/ieee754int.h |
797 |
+index 8bc2f6963324..dd2071f430e0 100644 |
798 |
+--- a/arch/mips/math-emu/ieee754int.h |
799 |
++++ b/arch/mips/math-emu/ieee754int.h |
800 |
+@@ -26,6 +26,10 @@ |
801 |
+ |
802 |
+ #define CLPAIR(x, y) ((x)*6+(y)) |
803 |
+ |
804 |
++enum maddf_flags { |
805 |
++ MADDF_NEGATE_PRODUCT = 1 << 0, |
806 |
++}; |
807 |
++ |
808 |
+ static inline void ieee754_clearcx(void) |
809 |
+ { |
810 |
+ ieee754_csr.cx = 0; |
811 |
+diff --git a/arch/mips/math-emu/ieee754sp.h b/arch/mips/math-emu/ieee754sp.h |
812 |
+index 8476067075fe..0f63e4202cff 100644 |
813 |
+--- a/arch/mips/math-emu/ieee754sp.h |
814 |
++++ b/arch/mips/math-emu/ieee754sp.h |
815 |
+@@ -45,6 +45,10 @@ static inline int ieee754sp_finite(union ieee754sp x) |
816 |
+ return SPBEXP(x) != SP_EMAX + 1 + SP_EBIAS; |
817 |
+ } |
818 |
+ |
819 |
++/* 64 bit right shift with rounding */ |
820 |
++#define XSPSRS64(v, rs) \ |
821 |
++ (((rs) >= 64) ? ((v) != 0) : ((v) >> (rs)) | ((v) << (64-(rs)) != 0)) |
822 |
++ |
823 |
+ /* 3bit extended single precision sticky right shift */ |
824 |
+ #define XSPSRS(v, rs) \ |
825 |
+ ((rs > (SP_FBITS+3))?1:((v) >> (rs)) | ((v) << (32-(rs)) != 0)) |
826 |
+diff --git a/arch/mips/math-emu/sp_fmax.c b/arch/mips/math-emu/sp_fmax.c |
827 |
+index 4d000844e48e..74a5a00d2f22 100644 |
828 |
+--- a/arch/mips/math-emu/sp_fmax.c |
829 |
++++ b/arch/mips/math-emu/sp_fmax.c |
830 |
+@@ -47,14 +47,26 @@ union ieee754sp ieee754sp_fmax(union ieee754sp x, union ieee754sp y) |
831 |
+ case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF): |
832 |
+ return ieee754sp_nanxcpt(x); |
833 |
+ |
834 |
+- /* numbers are preferred to NaNs */ |
835 |
++ /* |
836 |
++ * Quiet NaN handling |
837 |
++ */ |
838 |
++ |
839 |
++ /* |
840 |
++ * The case of both inputs quiet NaNs |
841 |
++ */ |
842 |
++ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
843 |
++ return x; |
844 |
++ |
845 |
++ /* |
846 |
++ * The cases of exactly one input quiet NaN (numbers |
847 |
++ * are here preferred as returned values to NaNs) |
848 |
++ */ |
849 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN): |
850 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_QNAN): |
851 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_QNAN): |
852 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_QNAN): |
853 |
+ return x; |
854 |
+ |
855 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
856 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_ZERO): |
857 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_NORM): |
858 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_DNORM): |
859 |
+@@ -80,9 +92,7 @@ union ieee754sp ieee754sp_fmax(union ieee754sp x, union ieee754sp y) |
860 |
+ return ys ? x : y; |
861 |
+ |
862 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_ZERO): |
863 |
+- if (xs == ys) |
864 |
+- return x; |
865 |
+- return ieee754sp_zero(1); |
866 |
++ return ieee754sp_zero(xs & ys); |
867 |
+ |
868 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM): |
869 |
+ SPDNORMX; |
870 |
+@@ -106,16 +116,32 @@ union ieee754sp ieee754sp_fmax(union ieee754sp x, union ieee754sp y) |
871 |
+ else if (xs < ys) |
872 |
+ return x; |
873 |
+ |
874 |
+- /* Compare exponent */ |
875 |
+- if (xe > ye) |
876 |
+- return x; |
877 |
+- else if (xe < ye) |
878 |
+- return y; |
879 |
++ /* Signs of inputs are equal, let's compare exponents */ |
880 |
++ if (xs == 0) { |
881 |
++ /* Inputs are both positive */ |
882 |
++ if (xe > ye) |
883 |
++ return x; |
884 |
++ else if (xe < ye) |
885 |
++ return y; |
886 |
++ } else { |
887 |
++ /* Inputs are both negative */ |
888 |
++ if (xe > ye) |
889 |
++ return y; |
890 |
++ else if (xe < ye) |
891 |
++ return x; |
892 |
++ } |
893 |
+ |
894 |
+- /* Compare mantissa */ |
895 |
++ /* Signs and exponents of inputs are equal, let's compare mantissas */ |
896 |
++ if (xs == 0) { |
897 |
++ /* Inputs are both positive, with equal signs and exponents */ |
898 |
++ if (xm <= ym) |
899 |
++ return y; |
900 |
++ return x; |
901 |
++ } |
902 |
++ /* Inputs are both negative, with equal signs and exponents */ |
903 |
+ if (xm <= ym) |
904 |
+- return y; |
905 |
+- return x; |
906 |
++ return x; |
907 |
++ return y; |
908 |
+ } |
909 |
+ |
910 |
+ union ieee754sp ieee754sp_fmaxa(union ieee754sp x, union ieee754sp y) |
911 |
+@@ -147,14 +173,26 @@ union ieee754sp ieee754sp_fmaxa(union ieee754sp x, union ieee754sp y) |
912 |
+ case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF): |
913 |
+ return ieee754sp_nanxcpt(x); |
914 |
+ |
915 |
+- /* numbers are preferred to NaNs */ |
916 |
++ /* |
917 |
++ * Quiet NaN handling |
918 |
++ */ |
919 |
++ |
920 |
++ /* |
921 |
++ * The case of both inputs quiet NaNs |
922 |
++ */ |
923 |
++ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
924 |
++ return x; |
925 |
++ |
926 |
++ /* |
927 |
++ * The cases of exactly one input quiet NaN (numbers |
928 |
++ * are here preferred as returned values to NaNs) |
929 |
++ */ |
930 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN): |
931 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_QNAN): |
932 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_QNAN): |
933 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_QNAN): |
934 |
+ return x; |
935 |
+ |
936 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
937 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_ZERO): |
938 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_NORM): |
939 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_DNORM): |
940 |
+@@ -164,6 +202,9 @@ union ieee754sp ieee754sp_fmaxa(union ieee754sp x, union ieee754sp y) |
941 |
+ /* |
942 |
+ * Infinity and zero handling |
943 |
+ */ |
944 |
++ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF): |
945 |
++ return ieee754sp_inf(xs & ys); |
946 |
++ |
947 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_ZERO): |
948 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_NORM): |
949 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_DNORM): |
950 |
+@@ -171,7 +212,6 @@ union ieee754sp ieee754sp_fmaxa(union ieee754sp x, union ieee754sp y) |
951 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_ZERO): |
952 |
+ return x; |
953 |
+ |
954 |
+- case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF): |
955 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_INF): |
956 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_INF): |
957 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_INF): |
958 |
+@@ -180,9 +220,7 @@ union ieee754sp ieee754sp_fmaxa(union ieee754sp x, union ieee754sp y) |
959 |
+ return y; |
960 |
+ |
961 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_ZERO): |
962 |
+- if (xs == ys) |
963 |
+- return x; |
964 |
+- return ieee754sp_zero(1); |
965 |
++ return ieee754sp_zero(xs & ys); |
966 |
+ |
967 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM): |
968 |
+ SPDNORMX; |
969 |
+@@ -207,7 +245,11 @@ union ieee754sp ieee754sp_fmaxa(union ieee754sp x, union ieee754sp y) |
970 |
+ return y; |
971 |
+ |
972 |
+ /* Compare mantissa */ |
973 |
+- if (xm <= ym) |
974 |
++ if (xm < ym) |
975 |
+ return y; |
976 |
+- return x; |
977 |
++ else if (xm > ym) |
978 |
++ return x; |
979 |
++ else if (xs == 0) |
980 |
++ return x; |
981 |
++ return y; |
982 |
+ } |
983 |
+diff --git a/arch/mips/math-emu/sp_fmin.c b/arch/mips/math-emu/sp_fmin.c |
984 |
+index 4eb1bb9e9dec..c51385f46b09 100644 |
985 |
+--- a/arch/mips/math-emu/sp_fmin.c |
986 |
++++ b/arch/mips/math-emu/sp_fmin.c |
987 |
+@@ -47,14 +47,26 @@ union ieee754sp ieee754sp_fmin(union ieee754sp x, union ieee754sp y) |
988 |
+ case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF): |
989 |
+ return ieee754sp_nanxcpt(x); |
990 |
+ |
991 |
+- /* numbers are preferred to NaNs */ |
992 |
++ /* |
993 |
++ * Quiet NaN handling |
994 |
++ */ |
995 |
++ |
996 |
++ /* |
997 |
++ * The case of both inputs quiet NaNs |
998 |
++ */ |
999 |
++ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
1000 |
++ return x; |
1001 |
++ |
1002 |
++ /* |
1003 |
++ * The cases of exactly one input quiet NaN (numbers |
1004 |
++ * are here preferred as returned values to NaNs) |
1005 |
++ */ |
1006 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN): |
1007 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_QNAN): |
1008 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_QNAN): |
1009 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_QNAN): |
1010 |
+ return x; |
1011 |
+ |
1012 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
1013 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_ZERO): |
1014 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_NORM): |
1015 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_DNORM): |
1016 |
+@@ -80,9 +92,7 @@ union ieee754sp ieee754sp_fmin(union ieee754sp x, union ieee754sp y) |
1017 |
+ return ys ? y : x; |
1018 |
+ |
1019 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_ZERO): |
1020 |
+- if (xs == ys) |
1021 |
+- return x; |
1022 |
+- return ieee754sp_zero(1); |
1023 |
++ return ieee754sp_zero(xs | ys); |
1024 |
+ |
1025 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM): |
1026 |
+ SPDNORMX; |
1027 |
+@@ -106,16 +116,32 @@ union ieee754sp ieee754sp_fmin(union ieee754sp x, union ieee754sp y) |
1028 |
+ else if (xs < ys) |
1029 |
+ return y; |
1030 |
+ |
1031 |
+- /* Compare exponent */ |
1032 |
+- if (xe > ye) |
1033 |
+- return y; |
1034 |
+- else if (xe < ye) |
1035 |
+- return x; |
1036 |
++ /* Signs of inputs are the same, let's compare exponents */ |
1037 |
++ if (xs == 0) { |
1038 |
++ /* Inputs are both positive */ |
1039 |
++ if (xe > ye) |
1040 |
++ return y; |
1041 |
++ else if (xe < ye) |
1042 |
++ return x; |
1043 |
++ } else { |
1044 |
++ /* Inputs are both negative */ |
1045 |
++ if (xe > ye) |
1046 |
++ return x; |
1047 |
++ else if (xe < ye) |
1048 |
++ return y; |
1049 |
++ } |
1050 |
+ |
1051 |
+- /* Compare mantissa */ |
1052 |
++ /* Signs and exponents of inputs are equal, let's compare mantissas */ |
1053 |
++ if (xs == 0) { |
1054 |
++ /* Inputs are both positive, with equal signs and exponents */ |
1055 |
++ if (xm <= ym) |
1056 |
++ return x; |
1057 |
++ return y; |
1058 |
++ } |
1059 |
++ /* Inputs are both negative, with equal signs and exponents */ |
1060 |
+ if (xm <= ym) |
1061 |
+- return x; |
1062 |
+- return y; |
1063 |
++ return y; |
1064 |
++ return x; |
1065 |
+ } |
1066 |
+ |
1067 |
+ union ieee754sp ieee754sp_fmina(union ieee754sp x, union ieee754sp y) |
1068 |
+@@ -147,14 +173,26 @@ union ieee754sp ieee754sp_fmina(union ieee754sp x, union ieee754sp y) |
1069 |
+ case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF): |
1070 |
+ return ieee754sp_nanxcpt(x); |
1071 |
+ |
1072 |
+- /* numbers are preferred to NaNs */ |
1073 |
++ /* |
1074 |
++ * Quiet NaN handling |
1075 |
++ */ |
1076 |
++ |
1077 |
++ /* |
1078 |
++ * The case of both inputs quiet NaNs |
1079 |
++ */ |
1080 |
++ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
1081 |
++ return x; |
1082 |
++ |
1083 |
++ /* |
1084 |
++ * The cases of exactly one input quiet NaN (numbers |
1085 |
++ * are here preferred as returned values to NaNs) |
1086 |
++ */ |
1087 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN): |
1088 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_QNAN): |
1089 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_QNAN): |
1090 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_QNAN): |
1091 |
+ return x; |
1092 |
+ |
1093 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
1094 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_ZERO): |
1095 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_NORM): |
1096 |
+ case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_DNORM): |
1097 |
+@@ -164,25 +202,25 @@ union ieee754sp ieee754sp_fmina(union ieee754sp x, union ieee754sp y) |
1098 |
+ /* |
1099 |
+ * Infinity and zero handling |
1100 |
+ */ |
1101 |
++ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF): |
1102 |
++ return ieee754sp_inf(xs | ys); |
1103 |
++ |
1104 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_ZERO): |
1105 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_NORM): |
1106 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_DNORM): |
1107 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_ZERO): |
1108 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_ZERO): |
1109 |
+- return x; |
1110 |
++ return y; |
1111 |
+ |
1112 |
+- case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF): |
1113 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_INF): |
1114 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_INF): |
1115 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_INF): |
1116 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_NORM): |
1117 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_DNORM): |
1118 |
+- return y; |
1119 |
++ return x; |
1120 |
+ |
1121 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_ZERO): |
1122 |
+- if (xs == ys) |
1123 |
+- return x; |
1124 |
+- return ieee754sp_zero(1); |
1125 |
++ return ieee754sp_zero(xs | ys); |
1126 |
+ |
1127 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM): |
1128 |
+ SPDNORMX; |
1129 |
+@@ -207,7 +245,11 @@ union ieee754sp ieee754sp_fmina(union ieee754sp x, union ieee754sp y) |
1130 |
+ return x; |
1131 |
+ |
1132 |
+ /* Compare mantissa */ |
1133 |
+- if (xm <= ym) |
1134 |
++ if (xm < ym) |
1135 |
++ return x; |
1136 |
++ else if (xm > ym) |
1137 |
++ return y; |
1138 |
++ else if (xs == 1) |
1139 |
+ return x; |
1140 |
+ return y; |
1141 |
+ } |
1142 |
+diff --git a/arch/mips/math-emu/sp_maddf.c b/arch/mips/math-emu/sp_maddf.c |
1143 |
+index c91d5e5d9b5f..7195fe785d81 100644 |
1144 |
+--- a/arch/mips/math-emu/sp_maddf.c |
1145 |
++++ b/arch/mips/math-emu/sp_maddf.c |
1146 |
+@@ -14,9 +14,6 @@ |
1147 |
+ |
1148 |
+ #include "ieee754sp.h" |
1149 |
+ |
1150 |
+-enum maddf_flags { |
1151 |
+- maddf_negate_product = 1 << 0, |
1152 |
+-}; |
1153 |
+ |
1154 |
+ static union ieee754sp _sp_maddf(union ieee754sp z, union ieee754sp x, |
1155 |
+ union ieee754sp y, enum maddf_flags flags) |
1156 |
+@@ -24,14 +21,8 @@ static union ieee754sp _sp_maddf(union ieee754sp z, union ieee754sp x, |
1157 |
+ int re; |
1158 |
+ int rs; |
1159 |
+ unsigned rm; |
1160 |
+- unsigned short lxm; |
1161 |
+- unsigned short hxm; |
1162 |
+- unsigned short lym; |
1163 |
+- unsigned short hym; |
1164 |
+- unsigned lrm; |
1165 |
+- unsigned hrm; |
1166 |
+- unsigned t; |
1167 |
+- unsigned at; |
1168 |
++ uint64_t rm64; |
1169 |
++ uint64_t zm64; |
1170 |
+ int s; |
1171 |
+ |
1172 |
+ COMPXSP; |
1173 |
+@@ -48,51 +39,35 @@ static union ieee754sp _sp_maddf(union ieee754sp z, union ieee754sp x, |
1174 |
+ |
1175 |
+ ieee754_clearcx(); |
1176 |
+ |
1177 |
+- switch (zc) { |
1178 |
+- case IEEE754_CLASS_SNAN: |
1179 |
+- ieee754_setcx(IEEE754_INVALID_OPERATION); |
1180 |
++ /* |
1181 |
++ * Handle the cases when at least one of x, y or z is a NaN. |
1182 |
++ * Order of precedence is sNaN, qNaN and z, x, y. |
1183 |
++ */ |
1184 |
++ if (zc == IEEE754_CLASS_SNAN) |
1185 |
+ return ieee754sp_nanxcpt(z); |
1186 |
+- case IEEE754_CLASS_DNORM: |
1187 |
+- SPDNORMZ; |
1188 |
+- /* QNAN and ZERO cases are handled separately below */ |
1189 |
+- } |
1190 |
+- |
1191 |
+- switch (CLPAIR(xc, yc)) { |
1192 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_SNAN): |
1193 |
+- case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_SNAN): |
1194 |
+- case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_SNAN): |
1195 |
+- case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_SNAN): |
1196 |
+- case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_SNAN): |
1197 |
++ if (xc == IEEE754_CLASS_SNAN) |
1198 |
++ return ieee754sp_nanxcpt(x); |
1199 |
++ if (yc == IEEE754_CLASS_SNAN) |
1200 |
+ return ieee754sp_nanxcpt(y); |
1201 |
++ if (zc == IEEE754_CLASS_QNAN) |
1202 |
++ return z; |
1203 |
++ if (xc == IEEE754_CLASS_QNAN) |
1204 |
++ return x; |
1205 |
++ if (yc == IEEE754_CLASS_QNAN) |
1206 |
++ return y; |
1207 |
+ |
1208 |
+- case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_SNAN): |
1209 |
+- case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_QNAN): |
1210 |
+- case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_ZERO): |
1211 |
+- case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_NORM): |
1212 |
+- case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_DNORM): |
1213 |
+- case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF): |
1214 |
+- return ieee754sp_nanxcpt(x); |
1215 |
++ if (zc == IEEE754_CLASS_DNORM) |
1216 |
++ SPDNORMZ; |
1217 |
++ /* ZERO z cases are handled separately below */ |
1218 |
+ |
1219 |
+- case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN): |
1220 |
+- case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_QNAN): |
1221 |
+- case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_QNAN): |
1222 |
+- case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_QNAN): |
1223 |
+- return y; |
1224 |
++ switch (CLPAIR(xc, yc)) { |
1225 |
+ |
1226 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN): |
1227 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_ZERO): |
1228 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_NORM): |
1229 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_DNORM): |
1230 |
+- case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_INF): |
1231 |
+- return x; |
1232 |
+ |
1233 |
+ /* |
1234 |
+ * Infinity handling |
1235 |
+ */ |
1236 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_ZERO): |
1237 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_INF): |
1238 |
+- if (zc == IEEE754_CLASS_QNAN) |
1239 |
+- return z; |
1240 |
+ ieee754_setcx(IEEE754_INVALID_OPERATION); |
1241 |
+ return ieee754sp_indef(); |
1242 |
+ |
1243 |
+@@ -101,9 +76,27 @@ static union ieee754sp _sp_maddf(union ieee754sp z, union ieee754sp x, |
1244 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_NORM): |
1245 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_DNORM): |
1246 |
+ case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF): |
1247 |
+- if (zc == IEEE754_CLASS_QNAN) |
1248 |
+- return z; |
1249 |
+- return ieee754sp_inf(xs ^ ys); |
1250 |
++ if ((zc == IEEE754_CLASS_INF) && |
1251 |
++ ((!(flags & MADDF_NEGATE_PRODUCT) && (zs != (xs ^ ys))) || |
1252 |
++ ((flags & MADDF_NEGATE_PRODUCT) && (zs == (xs ^ ys))))) { |
1253 |
++ /* |
1254 |
++ * Cases of addition of infinities with opposite signs |
1255 |
++ * or subtraction of infinities with same signs. |
1256 |
++ */ |
1257 |
++ ieee754_setcx(IEEE754_INVALID_OPERATION); |
1258 |
++ return ieee754sp_indef(); |
1259 |
++ } |
1260 |
++ /* |
1261 |
++ * z is here either not an infinity, or an infinity having the |
1262 |
++ * same sign as product (x*y) (in case of MADDF.D instruction) |
1263 |
++ * or product -(x*y) (in MSUBF.D case). The result must be an |
1264 |
++ * infinity, and its sign is determined only by the value of |
1265 |
++ * (flags & MADDF_NEGATE_PRODUCT) and the signs of x and y. |
1266 |
++ */ |
1267 |
++ if (flags & MADDF_NEGATE_PRODUCT) |
1268 |
++ return ieee754sp_inf(1 ^ (xs ^ ys)); |
1269 |
++ else |
1270 |
++ return ieee754sp_inf(xs ^ ys); |
1271 |
+ |
1272 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_ZERO): |
1273 |
+ case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_NORM): |
1274 |
+@@ -112,32 +105,42 @@ static union ieee754sp _sp_maddf(union ieee754sp z, union ieee754sp x, |
1275 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_ZERO): |
1276 |
+ if (zc == IEEE754_CLASS_INF) |
1277 |
+ return ieee754sp_inf(zs); |
1278 |
+- /* Multiplication is 0 so just return z */ |
1279 |
++ if (zc == IEEE754_CLASS_ZERO) { |
1280 |
++ /* Handle cases +0 + (-0) and similar ones. */ |
1281 |
++ if ((!(flags & MADDF_NEGATE_PRODUCT) |
1282 |
++ && (zs == (xs ^ ys))) || |
1283 |
++ ((flags & MADDF_NEGATE_PRODUCT) |
1284 |
++ && (zs != (xs ^ ys)))) |
1285 |
++ /* |
1286 |
++ * Cases of addition of zeros of equal signs |
1287 |
++ * or subtraction of zeroes of opposite signs. |
1288 |
++ * The sign of the resulting zero is in any |
1289 |
++ * such case determined only by the sign of z. |
1290 |
++ */ |
1291 |
++ return z; |
1292 |
++ |
1293 |
++ return ieee754sp_zero(ieee754_csr.rm == FPU_CSR_RD); |
1294 |
++ } |
1295 |
++ /* x*y is here 0, and z is not 0, so just return z */ |
1296 |
+ return z; |
1297 |
+ |
1298 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM): |
1299 |
+ SPDNORMX; |
1300 |
+ |
1301 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM): |
1302 |
+- if (zc == IEEE754_CLASS_QNAN) |
1303 |
+- return z; |
1304 |
+- else if (zc == IEEE754_CLASS_INF) |
1305 |
++ if (zc == IEEE754_CLASS_INF) |
1306 |
+ return ieee754sp_inf(zs); |
1307 |
+ SPDNORMY; |
1308 |
+ break; |
1309 |
+ |
1310 |
+ case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_NORM): |
1311 |
+- if (zc == IEEE754_CLASS_QNAN) |
1312 |
+- return z; |
1313 |
+- else if (zc == IEEE754_CLASS_INF) |
1314 |
++ if (zc == IEEE754_CLASS_INF) |
1315 |
+ return ieee754sp_inf(zs); |
1316 |
+ SPDNORMX; |
1317 |
+ break; |
1318 |
+ |
1319 |
+ case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_NORM): |
1320 |
+- if (zc == IEEE754_CLASS_QNAN) |
1321 |
+- return z; |
1322 |
+- else if (zc == IEEE754_CLASS_INF) |
1323 |
++ if (zc == IEEE754_CLASS_INF) |
1324 |
+ return ieee754sp_inf(zs); |
1325 |
+ /* fall through to real computations */ |
1326 |
+ } |
1327 |
+@@ -158,111 +161,93 @@ static union ieee754sp _sp_maddf(union ieee754sp z, union ieee754sp x, |
1328 |
+ |
1329 |
+ re = xe + ye; |
1330 |
+ rs = xs ^ ys; |
1331 |
+- if (flags & maddf_negate_product) |
1332 |
++ if (flags & MADDF_NEGATE_PRODUCT) |
1333 |
+ rs ^= 1; |
1334 |
+ |
1335 |
+- /* shunt to top of word */ |
1336 |
+- xm <<= 32 - (SP_FBITS + 1); |
1337 |
+- ym <<= 32 - (SP_FBITS + 1); |
1338 |
+- |
1339 |
+- /* |
1340 |
+- * Multiply 32 bits xm, ym to give high 32 bits rm with stickness. |
1341 |
+- */ |
1342 |
+- lxm = xm & 0xffff; |
1343 |
+- hxm = xm >> 16; |
1344 |
+- lym = ym & 0xffff; |
1345 |
+- hym = ym >> 16; |
1346 |
+- |
1347 |
+- lrm = lxm * lym; /* 16 * 16 => 32 */ |
1348 |
+- hrm = hxm * hym; /* 16 * 16 => 32 */ |
1349 |
+- |
1350 |
+- t = lxm * hym; /* 16 * 16 => 32 */ |
1351 |
+- at = lrm + (t << 16); |
1352 |
+- hrm += at < lrm; |
1353 |
+- lrm = at; |
1354 |
+- hrm = hrm + (t >> 16); |
1355 |
++ /* Multiple 24 bit xm and ym to give 48 bit results */ |
1356 |
++ rm64 = (uint64_t)xm * ym; |
1357 |
+ |
1358 |
+- t = hxm * lym; /* 16 * 16 => 32 */ |
1359 |
+- at = lrm + (t << 16); |
1360 |
+- hrm += at < lrm; |
1361 |
+- lrm = at; |
1362 |
+- hrm = hrm + (t >> 16); |
1363 |
++ /* Shunt to top of word */ |
1364 |
++ rm64 = rm64 << 16; |
1365 |
+ |
1366 |
+- rm = hrm | (lrm != 0); |
1367 |
+- |
1368 |
+- /* |
1369 |
+- * Sticky shift down to normal rounding precision. |
1370 |
+- */ |
1371 |
+- if ((int) rm < 0) { |
1372 |
+- rm = (rm >> (32 - (SP_FBITS + 1 + 3))) | |
1373 |
+- ((rm << (SP_FBITS + 1 + 3)) != 0); |
1374 |
++ /* Put explicit bit at bit 62 if necessary */ |
1375 |
++ if ((int64_t) rm64 < 0) { |
1376 |
++ rm64 = rm64 >> 1; |
1377 |
+ re++; |
1378 |
+- } else { |
1379 |
+- rm = (rm >> (32 - (SP_FBITS + 1 + 3 + 1))) | |
1380 |
+- ((rm << (SP_FBITS + 1 + 3 + 1)) != 0); |
1381 |
+ } |
1382 |
+- assert(rm & (SP_HIDDEN_BIT << 3)); |
1383 |
+- |
1384 |
+- if (zc == IEEE754_CLASS_ZERO) |
1385 |
+- return ieee754sp_format(rs, re, rm); |
1386 |
+ |
1387 |
+- /* And now the addition */ |
1388 |
++ assert(rm64 & (1 << 62)); |
1389 |
+ |
1390 |
+- assert(zm & SP_HIDDEN_BIT); |
1391 |
++ if (zc == IEEE754_CLASS_ZERO) { |
1392 |
++ /* |
1393 |
++ * Move explicit bit from bit 62 to bit 26 since the |
1394 |
++ * ieee754sp_format code expects the mantissa to be |
1395 |
++ * 27 bits wide (24 + 3 rounding bits). |
1396 |
++ */ |
1397 |
++ rm = XSPSRS64(rm64, (62 - 26)); |
1398 |
++ return ieee754sp_format(rs, re, rm); |
1399 |
++ } |
1400 |
+ |
1401 |
+- /* |
1402 |
+- * Provide guard,round and stick bit space. |
1403 |
+- */ |
1404 |
+- zm <<= 3; |
1405 |
++ /* Move explicit bit from bit 23 to bit 62 */ |
1406 |
++ zm64 = (uint64_t)zm << (62 - 23); |
1407 |
++ assert(zm64 & (1 << 62)); |
1408 |
+ |
1409 |
++ /* Make the exponents the same */ |
1410 |
+ if (ze > re) { |
1411 |
+ /* |
1412 |
+ * Have to shift r fraction right to align. |
1413 |
+ */ |
1414 |
+ s = ze - re; |
1415 |
+- rm = XSPSRS(rm, s); |
1416 |
++ rm64 = XSPSRS64(rm64, s); |
1417 |
+ re += s; |
1418 |
+ } else if (re > ze) { |
1419 |
+ /* |
1420 |
+ * Have to shift z fraction right to align. |
1421 |
+ */ |
1422 |
+ s = re - ze; |
1423 |
+- zm = XSPSRS(zm, s); |
1424 |
++ zm64 = XSPSRS64(zm64, s); |
1425 |
+ ze += s; |
1426 |
+ } |
1427 |
+ assert(ze == re); |
1428 |
+ assert(ze <= SP_EMAX); |
1429 |
+ |
1430 |
++ /* Do the addition */ |
1431 |
+ if (zs == rs) { |
1432 |
+ /* |
1433 |
+- * Generate 28 bit result of adding two 27 bit numbers |
1434 |
+- * leaving result in zm, zs and ze. |
1435 |
++ * Generate 64 bit result by adding two 63 bit numbers |
1436 |
++ * leaving result in zm64, zs and ze. |
1437 |
+ */ |
1438 |
+- zm = zm + rm; |
1439 |
+- |
1440 |
+- if (zm >> (SP_FBITS + 1 + 3)) { /* carry out */ |
1441 |
+- zm = XSPSRS1(zm); |
1442 |
++ zm64 = zm64 + rm64; |
1443 |
++ if ((int64_t)zm64 < 0) { /* carry out */ |
1444 |
++ zm64 = XSPSRS1(zm64); |
1445 |
+ ze++; |
1446 |
+ } |
1447 |
+ } else { |
1448 |
+- if (zm >= rm) { |
1449 |
+- zm = zm - rm; |
1450 |
++ if (zm64 >= rm64) { |
1451 |
++ zm64 = zm64 - rm64; |
1452 |
+ } else { |
1453 |
+- zm = rm - zm; |
1454 |
++ zm64 = rm64 - zm64; |
1455 |
+ zs = rs; |
1456 |
+ } |
1457 |
+- if (zm == 0) |
1458 |
++ if (zm64 == 0) |
1459 |
+ return ieee754sp_zero(ieee754_csr.rm == FPU_CSR_RD); |
1460 |
+ |
1461 |
+ /* |
1462 |
+- * Normalize in extended single precision |
1463 |
++ * Put explicit bit at bit 62 if necessary. |
1464 |
+ */ |
1465 |
+- while ((zm >> (SP_MBITS + 3)) == 0) { |
1466 |
+- zm <<= 1; |
1467 |
++ while ((zm64 >> 62) == 0) { |
1468 |
++ zm64 <<= 1; |
1469 |
+ ze--; |
1470 |
+ } |
1471 |
+- |
1472 |
+ } |
1473 |
++ |
1474 |
++ /* |
1475 |
++ * Move explicit bit from bit 62 to bit 26 since the |
1476 |
++ * ieee754sp_format code expects the mantissa to be |
1477 |
++ * 27 bits wide (24 + 3 rounding bits). |
1478 |
++ */ |
1479 |
++ zm = XSPSRS64(zm64, (62 - 26)); |
1480 |
++ |
1481 |
+ return ieee754sp_format(zs, ze, zm); |
1482 |
+ } |
1483 |
+ |
1484 |
+@@ -275,5 +260,5 @@ union ieee754sp ieee754sp_maddf(union ieee754sp z, union ieee754sp x, |
1485 |
+ union ieee754sp ieee754sp_msubf(union ieee754sp z, union ieee754sp x, |
1486 |
+ union ieee754sp y) |
1487 |
+ { |
1488 |
+- return _sp_maddf(z, x, y, maddf_negate_product); |
1489 |
++ return _sp_maddf(z, x, y, MADDF_NEGATE_PRODUCT); |
1490 |
+ } |
1491 |
+diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c |
1492 |
+index ec7a8b099dd9..fd3c1fcc73eb 100644 |
1493 |
+--- a/arch/powerpc/kernel/align.c |
1494 |
++++ b/arch/powerpc/kernel/align.c |
1495 |
+@@ -235,6 +235,28 @@ static int emulate_dcbz(struct pt_regs *regs, unsigned char __user *addr) |
1496 |
+ |
1497 |
+ #define SWIZ_PTR(p) ((unsigned char __user *)((p) ^ swiz)) |
1498 |
+ |
1499 |
++#define __get_user_or_set_dar(_regs, _dest, _addr) \ |
1500 |
++ ({ \ |
1501 |
++ int rc = 0; \ |
1502 |
++ typeof(_addr) __addr = (_addr); \ |
1503 |
++ if (__get_user_inatomic(_dest, __addr)) { \ |
1504 |
++ _regs->dar = (unsigned long)__addr; \ |
1505 |
++ rc = -EFAULT; \ |
1506 |
++ } \ |
1507 |
++ rc; \ |
1508 |
++ }) |
1509 |
++ |
1510 |
++#define __put_user_or_set_dar(_regs, _src, _addr) \ |
1511 |
++ ({ \ |
1512 |
++ int rc = 0; \ |
1513 |
++ typeof(_addr) __addr = (_addr); \ |
1514 |
++ if (__put_user_inatomic(_src, __addr)) { \ |
1515 |
++ _regs->dar = (unsigned long)__addr; \ |
1516 |
++ rc = -EFAULT; \ |
1517 |
++ } \ |
1518 |
++ rc; \ |
1519 |
++ }) |
1520 |
++ |
1521 |
+ static int emulate_multiple(struct pt_regs *regs, unsigned char __user *addr, |
1522 |
+ unsigned int reg, unsigned int nb, |
1523 |
+ unsigned int flags, unsigned int instr, |
1524 |
+@@ -263,9 +285,10 @@ static int emulate_multiple(struct pt_regs *regs, unsigned char __user *addr, |
1525 |
+ } else { |
1526 |
+ unsigned long pc = regs->nip ^ (swiz & 4); |
1527 |
+ |
1528 |
+- if (__get_user_inatomic(instr, |
1529 |
+- (unsigned int __user *)pc)) |
1530 |
++ if (__get_user_or_set_dar(regs, instr, |
1531 |
++ (unsigned int __user *)pc)) |
1532 |
+ return -EFAULT; |
1533 |
++ |
1534 |
+ if (swiz == 0 && (flags & SW)) |
1535 |
+ instr = cpu_to_le32(instr); |
1536 |
+ nb = (instr >> 11) & 0x1f; |
1537 |
+@@ -309,31 +332,31 @@ static int emulate_multiple(struct pt_regs *regs, unsigned char __user *addr, |
1538 |
+ ((nb0 + 3) / 4) * sizeof(unsigned long)); |
1539 |
+ |
1540 |
+ for (i = 0; i < nb; ++i, ++p) |
1541 |
+- if (__get_user_inatomic(REG_BYTE(rptr, i ^ bswiz), |
1542 |
+- SWIZ_PTR(p))) |
1543 |
++ if (__get_user_or_set_dar(regs, REG_BYTE(rptr, i ^ bswiz), |
1544 |
++ SWIZ_PTR(p))) |
1545 |
+ return -EFAULT; |
1546 |
+ if (nb0 > 0) { |
1547 |
+ rptr = ®s->gpr[0]; |
1548 |
+ addr += nb; |
1549 |
+ for (i = 0; i < nb0; ++i, ++p) |
1550 |
+- if (__get_user_inatomic(REG_BYTE(rptr, |
1551 |
+- i ^ bswiz), |
1552 |
+- SWIZ_PTR(p))) |
1553 |
++ if (__get_user_or_set_dar(regs, |
1554 |
++ REG_BYTE(rptr, i ^ bswiz), |
1555 |
++ SWIZ_PTR(p))) |
1556 |
+ return -EFAULT; |
1557 |
+ } |
1558 |
+ |
1559 |
+ } else { |
1560 |
+ for (i = 0; i < nb; ++i, ++p) |
1561 |
+- if (__put_user_inatomic(REG_BYTE(rptr, i ^ bswiz), |
1562 |
+- SWIZ_PTR(p))) |
1563 |
++ if (__put_user_or_set_dar(regs, REG_BYTE(rptr, i ^ bswiz), |
1564 |
++ SWIZ_PTR(p))) |
1565 |
+ return -EFAULT; |
1566 |
+ if (nb0 > 0) { |
1567 |
+ rptr = ®s->gpr[0]; |
1568 |
+ addr += nb; |
1569 |
+ for (i = 0; i < nb0; ++i, ++p) |
1570 |
+- if (__put_user_inatomic(REG_BYTE(rptr, |
1571 |
+- i ^ bswiz), |
1572 |
+- SWIZ_PTR(p))) |
1573 |
++ if (__put_user_or_set_dar(regs, |
1574 |
++ REG_BYTE(rptr, i ^ bswiz), |
1575 |
++ SWIZ_PTR(p))) |
1576 |
+ return -EFAULT; |
1577 |
+ } |
1578 |
+ } |
1579 |
+@@ -345,29 +368,32 @@ static int emulate_multiple(struct pt_regs *regs, unsigned char __user *addr, |
1580 |
+ * Only POWER6 has these instructions, and it does true little-endian, |
1581 |
+ * so we don't need the address swizzling. |
1582 |
+ */ |
1583 |
+-static int emulate_fp_pair(unsigned char __user *addr, unsigned int reg, |
1584 |
+- unsigned int flags) |
1585 |
++static int emulate_fp_pair(struct pt_regs *regs, unsigned char __user *addr, |
1586 |
++ unsigned int reg, unsigned int flags) |
1587 |
+ { |
1588 |
+ char *ptr0 = (char *) ¤t->thread.TS_FPR(reg); |
1589 |
+ char *ptr1 = (char *) ¤t->thread.TS_FPR(reg+1); |
1590 |
+- int i, ret, sw = 0; |
1591 |
++ int i, sw = 0; |
1592 |
+ |
1593 |
+ if (reg & 1) |
1594 |
+ return 0; /* invalid form: FRS/FRT must be even */ |
1595 |
+ if (flags & SW) |
1596 |
+ sw = 7; |
1597 |
+- ret = 0; |
1598 |
++ |
1599 |
+ for (i = 0; i < 8; ++i) { |
1600 |
+ if (!(flags & ST)) { |
1601 |
+- ret |= __get_user(ptr0[i^sw], addr + i); |
1602 |
+- ret |= __get_user(ptr1[i^sw], addr + i + 8); |
1603 |
++ if (__get_user_or_set_dar(regs, ptr0[i^sw], addr + i)) |
1604 |
++ return -EFAULT; |
1605 |
++ if (__get_user_or_set_dar(regs, ptr1[i^sw], addr + i + 8)) |
1606 |
++ return -EFAULT; |
1607 |
+ } else { |
1608 |
+- ret |= __put_user(ptr0[i^sw], addr + i); |
1609 |
+- ret |= __put_user(ptr1[i^sw], addr + i + 8); |
1610 |
++ if (__put_user_or_set_dar(regs, ptr0[i^sw], addr + i)) |
1611 |
++ return -EFAULT; |
1612 |
++ if (__put_user_or_set_dar(regs, ptr1[i^sw], addr + i + 8)) |
1613 |
++ return -EFAULT; |
1614 |
+ } |
1615 |
+ } |
1616 |
+- if (ret) |
1617 |
+- return -EFAULT; |
1618 |
++ |
1619 |
+ return 1; /* exception handled and fixed up */ |
1620 |
+ } |
1621 |
+ |
1622 |
+@@ -377,24 +403,27 @@ static int emulate_lq_stq(struct pt_regs *regs, unsigned char __user *addr, |
1623 |
+ { |
1624 |
+ char *ptr0 = (char *)®s->gpr[reg]; |
1625 |
+ char *ptr1 = (char *)®s->gpr[reg+1]; |
1626 |
+- int i, ret, sw = 0; |
1627 |
++ int i, sw = 0; |
1628 |
+ |
1629 |
+ if (reg & 1) |
1630 |
+ return 0; /* invalid form: GPR must be even */ |
1631 |
+ if (flags & SW) |
1632 |
+ sw = 7; |
1633 |
+- ret = 0; |
1634 |
++ |
1635 |
+ for (i = 0; i < 8; ++i) { |
1636 |
+ if (!(flags & ST)) { |
1637 |
+- ret |= __get_user(ptr0[i^sw], addr + i); |
1638 |
+- ret |= __get_user(ptr1[i^sw], addr + i + 8); |
1639 |
++ if (__get_user_or_set_dar(regs, ptr0[i^sw], addr + i)) |
1640 |
++ return -EFAULT; |
1641 |
++ if (__get_user_or_set_dar(regs, ptr1[i^sw], addr + i + 8)) |
1642 |
++ return -EFAULT; |
1643 |
+ } else { |
1644 |
+- ret |= __put_user(ptr0[i^sw], addr + i); |
1645 |
+- ret |= __put_user(ptr1[i^sw], addr + i + 8); |
1646 |
++ if (__put_user_or_set_dar(regs, ptr0[i^sw], addr + i)) |
1647 |
++ return -EFAULT; |
1648 |
++ if (__put_user_or_set_dar(regs, ptr1[i^sw], addr + i + 8)) |
1649 |
++ return -EFAULT; |
1650 |
+ } |
1651 |
+ } |
1652 |
+- if (ret) |
1653 |
+- return -EFAULT; |
1654 |
++ |
1655 |
+ return 1; /* exception handled and fixed up */ |
1656 |
+ } |
1657 |
+ #endif /* CONFIG_PPC64 */ |
1658 |
+@@ -687,9 +716,14 @@ static int emulate_vsx(unsigned char __user *addr, unsigned int reg, |
1659 |
+ for (j = 0; j < length; j += elsize) { |
1660 |
+ for (i = 0; i < elsize; ++i) { |
1661 |
+ if (flags & ST) |
1662 |
+- ret |= __put_user(ptr[i^sw], addr + i); |
1663 |
++ ret = __put_user_or_set_dar(regs, ptr[i^sw], |
1664 |
++ addr + i); |
1665 |
+ else |
1666 |
+- ret |= __get_user(ptr[i^sw], addr + i); |
1667 |
++ ret = __get_user_or_set_dar(regs, ptr[i^sw], |
1668 |
++ addr + i); |
1669 |
++ |
1670 |
++ if (ret) |
1671 |
++ return ret; |
1672 |
+ } |
1673 |
+ ptr += elsize; |
1674 |
+ #ifdef __LITTLE_ENDIAN__ |
1675 |
+@@ -739,7 +773,7 @@ int fix_alignment(struct pt_regs *regs) |
1676 |
+ unsigned int dsisr; |
1677 |
+ unsigned char __user *addr; |
1678 |
+ unsigned long p, swiz; |
1679 |
+- int ret, i; |
1680 |
++ int i; |
1681 |
+ union data { |
1682 |
+ u64 ll; |
1683 |
+ double dd; |
1684 |
+@@ -936,7 +970,7 @@ int fix_alignment(struct pt_regs *regs) |
1685 |
+ if (flags & F) { |
1686 |
+ /* Special case for 16-byte FP loads and stores */ |
1687 |
+ PPC_WARN_ALIGNMENT(fp_pair, regs); |
1688 |
+- return emulate_fp_pair(addr, reg, flags); |
1689 |
++ return emulate_fp_pair(regs, addr, reg, flags); |
1690 |
+ } else { |
1691 |
+ #ifdef CONFIG_PPC64 |
1692 |
+ /* Special case for 16-byte loads and stores */ |
1693 |
+@@ -966,15 +1000,12 @@ int fix_alignment(struct pt_regs *regs) |
1694 |
+ } |
1695 |
+ |
1696 |
+ data.ll = 0; |
1697 |
+- ret = 0; |
1698 |
+ p = (unsigned long)addr; |
1699 |
+ |
1700 |
+ for (i = 0; i < nb; i++) |
1701 |
+- ret |= __get_user_inatomic(data.v[start + i], |
1702 |
+- SWIZ_PTR(p++)); |
1703 |
+- |
1704 |
+- if (unlikely(ret)) |
1705 |
+- return -EFAULT; |
1706 |
++ if (__get_user_or_set_dar(regs, data.v[start + i], |
1707 |
++ SWIZ_PTR(p++))) |
1708 |
++ return -EFAULT; |
1709 |
+ |
1710 |
+ } else if (flags & F) { |
1711 |
+ data.ll = current->thread.TS_FPR(reg); |
1712 |
+@@ -1046,15 +1077,13 @@ int fix_alignment(struct pt_regs *regs) |
1713 |
+ break; |
1714 |
+ } |
1715 |
+ |
1716 |
+- ret = 0; |
1717 |
+ p = (unsigned long)addr; |
1718 |
+ |
1719 |
+ for (i = 0; i < nb; i++) |
1720 |
+- ret |= __put_user_inatomic(data.v[start + i], |
1721 |
+- SWIZ_PTR(p++)); |
1722 |
++ if (__put_user_or_set_dar(regs, data.v[start + i], |
1723 |
++ SWIZ_PTR(p++))) |
1724 |
++ return -EFAULT; |
1725 |
+ |
1726 |
+- if (unlikely(ret)) |
1727 |
+- return -EFAULT; |
1728 |
+ } else if (flags & F) |
1729 |
+ current->thread.TS_FPR(reg) = data.ll; |
1730 |
+ else |
1731 |
+diff --git a/arch/powerpc/platforms/powernv/npu-dma.c b/arch/powerpc/platforms/powernv/npu-dma.c |
1732 |
+index 4c7b8591f737..2cb6cbea4b3b 100644 |
1733 |
+--- a/arch/powerpc/platforms/powernv/npu-dma.c |
1734 |
++++ b/arch/powerpc/platforms/powernv/npu-dma.c |
1735 |
+@@ -545,6 +545,12 @@ static void mmio_invalidate(struct npu_context *npu_context, int va, |
1736 |
+ struct mmio_atsd_reg mmio_atsd_reg[NV_MAX_NPUS]; |
1737 |
+ unsigned long pid = npu_context->mm->context.id; |
1738 |
+ |
1739 |
++ /* |
1740 |
++ * Unfortunately the nest mmu does not support flushing specific |
1741 |
++ * addresses so we have to flush the whole mm. |
1742 |
++ */ |
1743 |
++ flush_tlb_mm(npu_context->mm); |
1744 |
++ |
1745 |
+ /* |
1746 |
+ * Loop over all the NPUs this process is active on and launch |
1747 |
+ * an invalidate. |
1748 |
+@@ -576,12 +582,6 @@ static void mmio_invalidate(struct npu_context *npu_context, int va, |
1749 |
+ } |
1750 |
+ } |
1751 |
+ |
1752 |
+- /* |
1753 |
+- * Unfortunately the nest mmu does not support flushing specific |
1754 |
+- * addresses so we have to flush the whole mm. |
1755 |
+- */ |
1756 |
+- flush_tlb_mm(npu_context->mm); |
1757 |
+- |
1758 |
+ mmio_invalidate_wait(mmio_atsd_reg, flush); |
1759 |
+ if (flush) |
1760 |
+ /* Wait for the flush to complete */ |
1761 |
+diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c |
1762 |
+index ca9b2f4aaa22..bf2f43f7ac6a 100644 |
1763 |
+--- a/arch/powerpc/platforms/pseries/hotplug-memory.c |
1764 |
++++ b/arch/powerpc/platforms/pseries/hotplug-memory.c |
1765 |
+@@ -817,6 +817,9 @@ static int dlpar_memory_add_by_count(u32 lmbs_to_add, struct property *prop) |
1766 |
+ return -EINVAL; |
1767 |
+ |
1768 |
+ for (i = 0; i < num_lmbs && lmbs_to_add != lmbs_added; i++) { |
1769 |
++ if (lmbs[i].flags & DRCONF_MEM_ASSIGNED) |
1770 |
++ continue; |
1771 |
++ |
1772 |
+ rc = dlpar_acquire_drc(lmbs[i].drc_index); |
1773 |
+ if (rc) |
1774 |
+ continue; |
1775 |
+@@ -859,6 +862,7 @@ static int dlpar_memory_add_by_count(u32 lmbs_to_add, struct property *prop) |
1776 |
+ lmbs[i].base_addr, lmbs[i].drc_index); |
1777 |
+ lmbs[i].reserved = 0; |
1778 |
+ } |
1779 |
++ rc = 0; |
1780 |
+ } |
1781 |
+ |
1782 |
+ return rc; |
1783 |
+diff --git a/arch/s390/include/asm/mmu.h b/arch/s390/include/asm/mmu.h |
1784 |
+index bd6f30304518..3525fe6e7e4c 100644 |
1785 |
+--- a/arch/s390/include/asm/mmu.h |
1786 |
++++ b/arch/s390/include/asm/mmu.h |
1787 |
+@@ -5,6 +5,7 @@ |
1788 |
+ #include <linux/errno.h> |
1789 |
+ |
1790 |
+ typedef struct { |
1791 |
++ spinlock_t lock; |
1792 |
+ cpumask_t cpu_attach_mask; |
1793 |
+ atomic_t flush_count; |
1794 |
+ unsigned int flush_mm; |
1795 |
+@@ -27,6 +28,7 @@ typedef struct { |
1796 |
+ } mm_context_t; |
1797 |
+ |
1798 |
+ #define INIT_MM_CONTEXT(name) \ |
1799 |
++ .context.lock = __SPIN_LOCK_UNLOCKED(name.context.lock), \ |
1800 |
+ .context.pgtable_lock = \ |
1801 |
+ __SPIN_LOCK_UNLOCKED(name.context.pgtable_lock), \ |
1802 |
+ .context.pgtable_list = LIST_HEAD_INIT(name.context.pgtable_list), \ |
1803 |
+diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h |
1804 |
+index 24bc41622a98..ebfb2f248ae9 100644 |
1805 |
+--- a/arch/s390/include/asm/mmu_context.h |
1806 |
++++ b/arch/s390/include/asm/mmu_context.h |
1807 |
+@@ -16,6 +16,7 @@ |
1808 |
+ static inline int init_new_context(struct task_struct *tsk, |
1809 |
+ struct mm_struct *mm) |
1810 |
+ { |
1811 |
++ spin_lock_init(&mm->context.lock); |
1812 |
+ spin_lock_init(&mm->context.pgtable_lock); |
1813 |
+ INIT_LIST_HEAD(&mm->context.pgtable_list); |
1814 |
+ spin_lock_init(&mm->context.gmap_lock); |
1815 |
+@@ -102,7 +103,6 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, |
1816 |
+ if (prev == next) |
1817 |
+ return; |
1818 |
+ cpumask_set_cpu(cpu, &next->context.cpu_attach_mask); |
1819 |
+- cpumask_set_cpu(cpu, mm_cpumask(next)); |
1820 |
+ /* Clear old ASCE by loading the kernel ASCE. */ |
1821 |
+ __ctl_load(S390_lowcore.kernel_asce, 1, 1); |
1822 |
+ __ctl_load(S390_lowcore.kernel_asce, 7, 7); |
1823 |
+@@ -120,9 +120,8 @@ static inline void finish_arch_post_lock_switch(void) |
1824 |
+ preempt_disable(); |
1825 |
+ while (atomic_read(&mm->context.flush_count)) |
1826 |
+ cpu_relax(); |
1827 |
+- |
1828 |
+- if (mm->context.flush_mm) |
1829 |
+- __tlb_flush_mm(mm); |
1830 |
++ cpumask_set_cpu(smp_processor_id(), mm_cpumask(mm)); |
1831 |
++ __tlb_flush_mm_lazy(mm); |
1832 |
+ preempt_enable(); |
1833 |
+ } |
1834 |
+ set_fs(current->thread.mm_segment); |
1835 |
+@@ -135,6 +134,7 @@ static inline void activate_mm(struct mm_struct *prev, |
1836 |
+ struct mm_struct *next) |
1837 |
+ { |
1838 |
+ switch_mm(prev, next, current); |
1839 |
++ cpumask_set_cpu(smp_processor_id(), mm_cpumask(next)); |
1840 |
+ set_user_asce(next); |
1841 |
+ } |
1842 |
+ |
1843 |
+diff --git a/arch/s390/include/asm/tlbflush.h b/arch/s390/include/asm/tlbflush.h |
1844 |
+index 39846100682a..eed927aeb08f 100644 |
1845 |
+--- a/arch/s390/include/asm/tlbflush.h |
1846 |
++++ b/arch/s390/include/asm/tlbflush.h |
1847 |
+@@ -43,23 +43,6 @@ static inline void __tlb_flush_global(void) |
1848 |
+ * Flush TLB entries for a specific mm on all CPUs (in case gmap is used |
1849 |
+ * this implicates multiple ASCEs!). |
1850 |
+ */ |
1851 |
+-static inline void __tlb_flush_full(struct mm_struct *mm) |
1852 |
+-{ |
1853 |
+- preempt_disable(); |
1854 |
+- atomic_inc(&mm->context.flush_count); |
1855 |
+- if (cpumask_equal(mm_cpumask(mm), cpumask_of(smp_processor_id()))) { |
1856 |
+- /* Local TLB flush */ |
1857 |
+- __tlb_flush_local(); |
1858 |
+- } else { |
1859 |
+- /* Global TLB flush */ |
1860 |
+- __tlb_flush_global(); |
1861 |
+- /* Reset TLB flush mask */ |
1862 |
+- cpumask_copy(mm_cpumask(mm), &mm->context.cpu_attach_mask); |
1863 |
+- } |
1864 |
+- atomic_dec(&mm->context.flush_count); |
1865 |
+- preempt_enable(); |
1866 |
+-} |
1867 |
+- |
1868 |
+ static inline void __tlb_flush_mm(struct mm_struct *mm) |
1869 |
+ { |
1870 |
+ unsigned long gmap_asce; |
1871 |
+@@ -71,16 +54,18 @@ static inline void __tlb_flush_mm(struct mm_struct *mm) |
1872 |
+ */ |
1873 |
+ preempt_disable(); |
1874 |
+ atomic_inc(&mm->context.flush_count); |
1875 |
++ /* Reset TLB flush mask */ |
1876 |
++ cpumask_copy(mm_cpumask(mm), &mm->context.cpu_attach_mask); |
1877 |
++ barrier(); |
1878 |
+ gmap_asce = READ_ONCE(mm->context.gmap_asce); |
1879 |
+ if (MACHINE_HAS_IDTE && gmap_asce != -1UL) { |
1880 |
+ if (gmap_asce) |
1881 |
+ __tlb_flush_idte(gmap_asce); |
1882 |
+ __tlb_flush_idte(mm->context.asce); |
1883 |
+ } else { |
1884 |
+- __tlb_flush_full(mm); |
1885 |
++ /* Global TLB flush */ |
1886 |
++ __tlb_flush_global(); |
1887 |
+ } |
1888 |
+- /* Reset TLB flush mask */ |
1889 |
+- cpumask_copy(mm_cpumask(mm), &mm->context.cpu_attach_mask); |
1890 |
+ atomic_dec(&mm->context.flush_count); |
1891 |
+ preempt_enable(); |
1892 |
+ } |
1893 |
+@@ -94,7 +79,6 @@ static inline void __tlb_flush_kernel(void) |
1894 |
+ } |
1895 |
+ #else |
1896 |
+ #define __tlb_flush_global() __tlb_flush_local() |
1897 |
+-#define __tlb_flush_full(mm) __tlb_flush_local() |
1898 |
+ |
1899 |
+ /* |
1900 |
+ * Flush TLB entries for a specific ASCE on all CPUs. |
1901 |
+@@ -112,10 +96,12 @@ static inline void __tlb_flush_kernel(void) |
1902 |
+ |
1903 |
+ static inline void __tlb_flush_mm_lazy(struct mm_struct * mm) |
1904 |
+ { |
1905 |
++ spin_lock(&mm->context.lock); |
1906 |
+ if (mm->context.flush_mm) { |
1907 |
+- __tlb_flush_mm(mm); |
1908 |
+ mm->context.flush_mm = 0; |
1909 |
++ __tlb_flush_mm(mm); |
1910 |
+ } |
1911 |
++ spin_unlock(&mm->context.lock); |
1912 |
+ } |
1913 |
+ |
1914 |
+ /* |
1915 |
+diff --git a/block/blk-core.c b/block/blk-core.c |
1916 |
+index dbecbf4a64e0..658f67309602 100644 |
1917 |
+--- a/block/blk-core.c |
1918 |
++++ b/block/blk-core.c |
1919 |
+@@ -280,7 +280,7 @@ EXPORT_SYMBOL(blk_start_queue_async); |
1920 |
+ void blk_start_queue(struct request_queue *q) |
1921 |
+ { |
1922 |
+ lockdep_assert_held(q->queue_lock); |
1923 |
+- WARN_ON(!irqs_disabled()); |
1924 |
++ WARN_ON(!in_interrupt() && !irqs_disabled()); |
1925 |
+ WARN_ON_ONCE(q->mq_ops); |
1926 |
+ |
1927 |
+ queue_flag_clear(QUEUE_FLAG_STOPPED, q); |
1928 |
+@@ -2330,7 +2330,12 @@ blk_status_t blk_insert_cloned_request(struct request_queue *q, struct request * |
1929 |
+ if (q->mq_ops) { |
1930 |
+ if (blk_queue_io_stat(q)) |
1931 |
+ blk_account_io_start(rq, true); |
1932 |
+- blk_mq_sched_insert_request(rq, false, true, false, false); |
1933 |
++ /* |
1934 |
++ * Since we have a scheduler attached on the top device, |
1935 |
++ * bypass a potential scheduler on the bottom device for |
1936 |
++ * insert. |
1937 |
++ */ |
1938 |
++ blk_mq_request_bypass_insert(rq); |
1939 |
+ return BLK_STS_OK; |
1940 |
+ } |
1941 |
+ |
1942 |
+diff --git a/block/blk-mq.c b/block/blk-mq.c |
1943 |
+index 4603b115e234..e0523eb8eee1 100644 |
1944 |
+--- a/block/blk-mq.c |
1945 |
++++ b/block/blk-mq.c |
1946 |
+@@ -1357,6 +1357,22 @@ void __blk_mq_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq, |
1947 |
+ blk_mq_hctx_mark_pending(hctx, ctx); |
1948 |
+ } |
1949 |
+ |
1950 |
++/* |
1951 |
++ * Should only be used carefully, when the caller knows we want to |
1952 |
++ * bypass a potential IO scheduler on the target device. |
1953 |
++ */ |
1954 |
++void blk_mq_request_bypass_insert(struct request *rq) |
1955 |
++{ |
1956 |
++ struct blk_mq_ctx *ctx = rq->mq_ctx; |
1957 |
++ struct blk_mq_hw_ctx *hctx = blk_mq_map_queue(rq->q, ctx->cpu); |
1958 |
++ |
1959 |
++ spin_lock(&hctx->lock); |
1960 |
++ list_add_tail(&rq->queuelist, &hctx->dispatch); |
1961 |
++ spin_unlock(&hctx->lock); |
1962 |
++ |
1963 |
++ blk_mq_run_hw_queue(hctx, false); |
1964 |
++} |
1965 |
++ |
1966 |
+ void blk_mq_insert_requests(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx, |
1967 |
+ struct list_head *list) |
1968 |
+ |
1969 |
+diff --git a/block/blk-mq.h b/block/blk-mq.h |
1970 |
+index 60b01c0309bc..f64747914560 100644 |
1971 |
+--- a/block/blk-mq.h |
1972 |
++++ b/block/blk-mq.h |
1973 |
+@@ -54,6 +54,7 @@ int blk_mq_alloc_rqs(struct blk_mq_tag_set *set, struct blk_mq_tags *tags, |
1974 |
+ */ |
1975 |
+ void __blk_mq_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq, |
1976 |
+ bool at_head); |
1977 |
++void blk_mq_request_bypass_insert(struct request *rq); |
1978 |
+ void blk_mq_insert_requests(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx, |
1979 |
+ struct list_head *list); |
1980 |
+ |
1981 |
+diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c |
1982 |
+index 903605dbc1a5..76b875c69a95 100644 |
1983 |
+--- a/crypto/algif_skcipher.c |
1984 |
++++ b/crypto/algif_skcipher.c |
1985 |
+@@ -144,8 +144,10 @@ static int skcipher_alloc_sgl(struct sock *sk) |
1986 |
+ sg_init_table(sgl->sg, MAX_SGL_ENTS + 1); |
1987 |
+ sgl->cur = 0; |
1988 |
+ |
1989 |
+- if (sg) |
1990 |
++ if (sg) { |
1991 |
+ sg_chain(sg, MAX_SGL_ENTS + 1, sgl->sg); |
1992 |
++ sg_unmark_end(sg + (MAX_SGL_ENTS - 1)); |
1993 |
++ } |
1994 |
+ |
1995 |
+ list_add_tail(&sgl->list, &ctx->tsgl); |
1996 |
+ } |
1997 |
+diff --git a/crypto/scompress.c b/crypto/scompress.c |
1998 |
+index ae1d3cf209e4..0b40d991d65f 100644 |
1999 |
+--- a/crypto/scompress.c |
2000 |
++++ b/crypto/scompress.c |
2001 |
+@@ -211,9 +211,7 @@ static int scomp_acomp_comp_decomp(struct acomp_req *req, int dir) |
2002 |
+ scratch_dst, &req->dlen, *ctx); |
2003 |
+ if (!ret) { |
2004 |
+ if (!req->dst) { |
2005 |
+- req->dst = crypto_scomp_sg_alloc(req->dlen, |
2006 |
+- req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ? |
2007 |
+- GFP_KERNEL : GFP_ATOMIC); |
2008 |
++ req->dst = crypto_scomp_sg_alloc(req->dlen, GFP_ATOMIC); |
2009 |
+ if (!req->dst) |
2010 |
+ goto out; |
2011 |
+ } |
2012 |
+diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c |
2013 |
+index d0368682bd43..153f20ce318b 100644 |
2014 |
+--- a/drivers/block/skd_main.c |
2015 |
++++ b/drivers/block/skd_main.c |
2016 |
+@@ -2160,6 +2160,9 @@ static void skd_send_fitmsg(struct skd_device *skdev, |
2017 |
+ */ |
2018 |
+ qcmd |= FIT_QCMD_MSGSIZE_64; |
2019 |
+ |
2020 |
++ /* Make sure skd_msg_buf is written before the doorbell is triggered. */ |
2021 |
++ smp_wmb(); |
2022 |
++ |
2023 |
+ SKD_WRITEQ(skdev, qcmd, FIT_Q_COMMAND); |
2024 |
+ } |
2025 |
+ |
2026 |
+@@ -2202,6 +2205,9 @@ static void skd_send_special_fitmsg(struct skd_device *skdev, |
2027 |
+ qcmd = skspcl->mb_dma_address; |
2028 |
+ qcmd |= FIT_QCMD_QID_NORMAL + FIT_QCMD_MSGSIZE_128; |
2029 |
+ |
2030 |
++ /* Make sure skd_msg_buf is written before the doorbell is triggered. */ |
2031 |
++ smp_wmb(); |
2032 |
++ |
2033 |
+ SKD_WRITEQ(skdev, qcmd, FIT_Q_COMMAND); |
2034 |
+ } |
2035 |
+ |
2036 |
+@@ -4539,15 +4545,16 @@ static void skd_free_disk(struct skd_device *skdev) |
2037 |
+ { |
2038 |
+ struct gendisk *disk = skdev->disk; |
2039 |
+ |
2040 |
+- if (disk != NULL) { |
2041 |
+- struct request_queue *q = disk->queue; |
2042 |
++ if (disk && (disk->flags & GENHD_FL_UP)) |
2043 |
++ del_gendisk(disk); |
2044 |
+ |
2045 |
+- if (disk->flags & GENHD_FL_UP) |
2046 |
+- del_gendisk(disk); |
2047 |
+- if (q) |
2048 |
+- blk_cleanup_queue(q); |
2049 |
+- put_disk(disk); |
2050 |
++ if (skdev->queue) { |
2051 |
++ blk_cleanup_queue(skdev->queue); |
2052 |
++ skdev->queue = NULL; |
2053 |
++ disk->queue = NULL; |
2054 |
+ } |
2055 |
++ |
2056 |
++ put_disk(disk); |
2057 |
+ skdev->disk = NULL; |
2058 |
+ } |
2059 |
+ |
2060 |
+diff --git a/drivers/crypto/caam/caamalg_qi.c b/drivers/crypto/caam/caamalg_qi.c |
2061 |
+index 3425f2d9a2a1..fe0185ceac16 100644 |
2062 |
+--- a/drivers/crypto/caam/caamalg_qi.c |
2063 |
++++ b/drivers/crypto/caam/caamalg_qi.c |
2064 |
+@@ -776,9 +776,9 @@ static void ablkcipher_done(struct caam_drv_req *drv_req, u32 status) |
2065 |
+ struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); |
2066 |
+ struct caam_ctx *caam_ctx = crypto_ablkcipher_ctx(ablkcipher); |
2067 |
+ struct device *qidev = caam_ctx->qidev; |
2068 |
+-#ifdef DEBUG |
2069 |
+ int ivsize = crypto_ablkcipher_ivsize(ablkcipher); |
2070 |
+ |
2071 |
++#ifdef DEBUG |
2072 |
+ dev_err(qidev, "%s %d: status 0x%x\n", __func__, __LINE__, status); |
2073 |
+ #endif |
2074 |
+ |
2075 |
+@@ -799,6 +799,13 @@ static void ablkcipher_done(struct caam_drv_req *drv_req, u32 status) |
2076 |
+ ablkcipher_unmap(qidev, edesc, req); |
2077 |
+ qi_cache_free(edesc); |
2078 |
+ |
2079 |
++ /* |
2080 |
++ * The crypto API expects us to set the IV (req->info) to the last |
2081 |
++ * ciphertext block. This is used e.g. by the CTS mode. |
2082 |
++ */ |
2083 |
++ scatterwalk_map_and_copy(req->info, req->dst, req->nbytes - ivsize, |
2084 |
++ ivsize, 0); |
2085 |
++ |
2086 |
+ ablkcipher_request_complete(req, status); |
2087 |
+ } |
2088 |
+ |
2089 |
+@@ -1968,7 +1975,7 @@ static struct caam_aead_alg driver_aeads[] = { |
2090 |
+ .cra_name = "echainiv(authenc(hmac(sha256)," |
2091 |
+ "cbc(des)))", |
2092 |
+ .cra_driver_name = "echainiv-authenc-" |
2093 |
+- "hmac-sha256-cbc-desi-" |
2094 |
++ "hmac-sha256-cbc-des-" |
2095 |
+ "caam-qi", |
2096 |
+ .cra_blocksize = DES_BLOCK_SIZE, |
2097 |
+ }, |
2098 |
+diff --git a/drivers/crypto/ccp/ccp-crypto-aes-xts.c b/drivers/crypto/ccp/ccp-crypto-aes-xts.c |
2099 |
+index 58a4244b4752..3f26a415ef44 100644 |
2100 |
+--- a/drivers/crypto/ccp/ccp-crypto-aes-xts.c |
2101 |
++++ b/drivers/crypto/ccp/ccp-crypto-aes-xts.c |
2102 |
+@@ -1,8 +1,9 @@ |
2103 |
+ /* |
2104 |
+ * AMD Cryptographic Coprocessor (CCP) AES XTS crypto API support |
2105 |
+ * |
2106 |
+- * Copyright (C) 2013 Advanced Micro Devices, Inc. |
2107 |
++ * Copyright (C) 2013,2017 Advanced Micro Devices, Inc. |
2108 |
+ * |
2109 |
++ * Author: Gary R Hook <gary.hook@×××.com> |
2110 |
+ * Author: Tom Lendacky <thomas.lendacky@×××.com> |
2111 |
+ * |
2112 |
+ * This program is free software; you can redistribute it and/or modify |
2113 |
+@@ -164,6 +165,7 @@ static int ccp_aes_xts_crypt(struct ablkcipher_request *req, |
2114 |
+ memset(&rctx->cmd, 0, sizeof(rctx->cmd)); |
2115 |
+ INIT_LIST_HEAD(&rctx->cmd.entry); |
2116 |
+ rctx->cmd.engine = CCP_ENGINE_XTS_AES_128; |
2117 |
++ rctx->cmd.u.xts.type = CCP_AES_TYPE_128; |
2118 |
+ rctx->cmd.u.xts.action = (encrypt) ? CCP_AES_ACTION_ENCRYPT |
2119 |
+ : CCP_AES_ACTION_DECRYPT; |
2120 |
+ rctx->cmd.u.xts.unit_size = unit_size; |
2121 |
+diff --git a/drivers/crypto/ccp/ccp-dev-v5.c b/drivers/crypto/ccp/ccp-dev-v5.c |
2122 |
+index b10d2d2075cb..9bc134a4ebf0 100644 |
2123 |
+--- a/drivers/crypto/ccp/ccp-dev-v5.c |
2124 |
++++ b/drivers/crypto/ccp/ccp-dev-v5.c |
2125 |
+@@ -145,6 +145,7 @@ union ccp_function { |
2126 |
+ #define CCP_AES_MODE(p) ((p)->aes.mode) |
2127 |
+ #define CCP_AES_TYPE(p) ((p)->aes.type) |
2128 |
+ #define CCP_XTS_SIZE(p) ((p)->aes_xts.size) |
2129 |
++#define CCP_XTS_TYPE(p) ((p)->aes_xts.type) |
2130 |
+ #define CCP_XTS_ENCRYPT(p) ((p)->aes_xts.encrypt) |
2131 |
+ #define CCP_DES3_SIZE(p) ((p)->des3.size) |
2132 |
+ #define CCP_DES3_ENCRYPT(p) ((p)->des3.encrypt) |
2133 |
+@@ -344,6 +345,7 @@ static int ccp5_perform_xts_aes(struct ccp_op *op) |
2134 |
+ CCP5_CMD_PROT(&desc) = 0; |
2135 |
+ |
2136 |
+ function.raw = 0; |
2137 |
++ CCP_XTS_TYPE(&function) = op->u.xts.type; |
2138 |
+ CCP_XTS_ENCRYPT(&function) = op->u.xts.action; |
2139 |
+ CCP_XTS_SIZE(&function) = op->u.xts.unit_size; |
2140 |
+ CCP5_CMD_FUNCTION(&desc) = function.raw; |
2141 |
+diff --git a/drivers/crypto/ccp/ccp-dev.h b/drivers/crypto/ccp/ccp-dev.h |
2142 |
+index a70154ac7405..7b8370e9c42e 100644 |
2143 |
+--- a/drivers/crypto/ccp/ccp-dev.h |
2144 |
++++ b/drivers/crypto/ccp/ccp-dev.h |
2145 |
+@@ -192,6 +192,7 @@ |
2146 |
+ #define CCP_AES_CTX_SB_COUNT 1 |
2147 |
+ |
2148 |
+ #define CCP_XTS_AES_KEY_SB_COUNT 1 |
2149 |
++#define CCP5_XTS_AES_KEY_SB_COUNT 2 |
2150 |
+ #define CCP_XTS_AES_CTX_SB_COUNT 1 |
2151 |
+ |
2152 |
+ #define CCP_DES3_KEY_SB_COUNT 1 |
2153 |
+@@ -497,6 +498,7 @@ struct ccp_aes_op { |
2154 |
+ }; |
2155 |
+ |
2156 |
+ struct ccp_xts_aes_op { |
2157 |
++ enum ccp_aes_type type; |
2158 |
+ enum ccp_aes_action action; |
2159 |
+ enum ccp_xts_aes_unit_size unit_size; |
2160 |
+ }; |
2161 |
+diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c |
2162 |
+index c0dfdacbdff5..f3542aede519 100644 |
2163 |
+--- a/drivers/crypto/ccp/ccp-ops.c |
2164 |
++++ b/drivers/crypto/ccp/ccp-ops.c |
2165 |
+@@ -1038,6 +1038,8 @@ static int ccp_run_xts_aes_cmd(struct ccp_cmd_queue *cmd_q, |
2166 |
+ struct ccp_op op; |
2167 |
+ unsigned int unit_size, dm_offset; |
2168 |
+ bool in_place = false; |
2169 |
++ unsigned int sb_count; |
2170 |
++ enum ccp_aes_type aestype; |
2171 |
+ int ret; |
2172 |
+ |
2173 |
+ switch (xts->unit_size) { |
2174 |
+@@ -1061,7 +1063,9 @@ static int ccp_run_xts_aes_cmd(struct ccp_cmd_queue *cmd_q, |
2175 |
+ return -EINVAL; |
2176 |
+ } |
2177 |
+ |
2178 |
+- if (xts->key_len != AES_KEYSIZE_128) |
2179 |
++ if (xts->key_len == AES_KEYSIZE_128) |
2180 |
++ aestype = CCP_AES_TYPE_128; |
2181 |
++ else |
2182 |
+ return -EINVAL; |
2183 |
+ |
2184 |
+ if (!xts->final && (xts->src_len & (AES_BLOCK_SIZE - 1))) |
2185 |
+@@ -1083,23 +1087,44 @@ static int ccp_run_xts_aes_cmd(struct ccp_cmd_queue *cmd_q, |
2186 |
+ op.sb_key = cmd_q->sb_key; |
2187 |
+ op.sb_ctx = cmd_q->sb_ctx; |
2188 |
+ op.init = 1; |
2189 |
++ op.u.xts.type = aestype; |
2190 |
+ op.u.xts.action = xts->action; |
2191 |
+ op.u.xts.unit_size = xts->unit_size; |
2192 |
+ |
2193 |
+- /* All supported key sizes fit in a single (32-byte) SB entry |
2194 |
+- * and must be in little endian format. Use the 256-bit byte |
2195 |
+- * swap passthru option to convert from big endian to little |
2196 |
+- * endian. |
2197 |
++ /* A version 3 device only supports 128-bit keys, which fits into a |
2198 |
++ * single SB entry. A version 5 device uses a 512-bit vector, so two |
2199 |
++ * SB entries. |
2200 |
+ */ |
2201 |
++ if (cmd_q->ccp->vdata->version == CCP_VERSION(3, 0)) |
2202 |
++ sb_count = CCP_XTS_AES_KEY_SB_COUNT; |
2203 |
++ else |
2204 |
++ sb_count = CCP5_XTS_AES_KEY_SB_COUNT; |
2205 |
+ ret = ccp_init_dm_workarea(&key, cmd_q, |
2206 |
+- CCP_XTS_AES_KEY_SB_COUNT * CCP_SB_BYTES, |
2207 |
++ sb_count * CCP_SB_BYTES, |
2208 |
+ DMA_TO_DEVICE); |
2209 |
+ if (ret) |
2210 |
+ return ret; |
2211 |
+ |
2212 |
+- dm_offset = CCP_SB_BYTES - AES_KEYSIZE_128; |
2213 |
+- ccp_set_dm_area(&key, dm_offset, xts->key, 0, xts->key_len); |
2214 |
+- ccp_set_dm_area(&key, 0, xts->key, dm_offset, xts->key_len); |
2215 |
++ if (cmd_q->ccp->vdata->version == CCP_VERSION(3, 0)) { |
2216 |
++ /* All supported key sizes must be in little endian format. |
2217 |
++ * Use the 256-bit byte swap passthru option to convert from |
2218 |
++ * big endian to little endian. |
2219 |
++ */ |
2220 |
++ dm_offset = CCP_SB_BYTES - AES_KEYSIZE_128; |
2221 |
++ ccp_set_dm_area(&key, dm_offset, xts->key, 0, xts->key_len); |
2222 |
++ ccp_set_dm_area(&key, 0, xts->key, xts->key_len, xts->key_len); |
2223 |
++ } else { |
2224 |
++ /* Version 5 CCPs use a 512-bit space for the key: each portion |
2225 |
++ * occupies 256 bits, or one entire slot, and is zero-padded. |
2226 |
++ */ |
2227 |
++ unsigned int pad; |
2228 |
++ |
2229 |
++ dm_offset = CCP_SB_BYTES; |
2230 |
++ pad = dm_offset - xts->key_len; |
2231 |
++ ccp_set_dm_area(&key, pad, xts->key, 0, xts->key_len); |
2232 |
++ ccp_set_dm_area(&key, dm_offset + pad, xts->key, xts->key_len, |
2233 |
++ xts->key_len); |
2234 |
++ } |
2235 |
+ ret = ccp_copy_to_sb(cmd_q, &key, op.jobid, op.sb_key, |
2236 |
+ CCP_PASSTHRU_BYTESWAP_256BIT); |
2237 |
+ if (ret) { |
2238 |
+diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c |
2239 |
+index dea04871b50d..a1c4ee818614 100644 |
2240 |
+--- a/drivers/devfreq/devfreq.c |
2241 |
++++ b/drivers/devfreq/devfreq.c |
2242 |
+@@ -564,7 +564,7 @@ struct devfreq *devfreq_add_device(struct device *dev, |
2243 |
+ err = device_register(&devfreq->dev); |
2244 |
+ if (err) { |
2245 |
+ mutex_unlock(&devfreq->lock); |
2246 |
+- goto err_out; |
2247 |
++ goto err_dev; |
2248 |
+ } |
2249 |
+ |
2250 |
+ devfreq->trans_table = devm_kzalloc(&devfreq->dev, |
2251 |
+@@ -610,6 +610,9 @@ struct devfreq *devfreq_add_device(struct device *dev, |
2252 |
+ mutex_unlock(&devfreq_list_lock); |
2253 |
+ |
2254 |
+ device_unregister(&devfreq->dev); |
2255 |
++err_dev: |
2256 |
++ if (devfreq) |
2257 |
++ kfree(devfreq); |
2258 |
+ err_out: |
2259 |
+ return ERR_PTR(err); |
2260 |
+ } |
2261 |
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c |
2262 |
+index 4083be61b328..6417febe18b9 100644 |
2263 |
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c |
2264 |
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c |
2265 |
+@@ -95,9 +95,8 @@ int psp_wait_for(struct psp_context *psp, uint32_t reg_index, |
2266 |
+ int i; |
2267 |
+ struct amdgpu_device *adev = psp->adev; |
2268 |
+ |
2269 |
+- val = RREG32(reg_index); |
2270 |
+- |
2271 |
+ for (i = 0; i < adev->usec_timeout; i++) { |
2272 |
++ val = RREG32(reg_index); |
2273 |
+ if (check_changed) { |
2274 |
+ if (val != reg_val) |
2275 |
+ return 0; |
2276 |
+diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c |
2277 |
+index c98d77d0c8f8..6f80ad8f588b 100644 |
2278 |
+--- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c |
2279 |
++++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c |
2280 |
+@@ -237,11 +237,9 @@ int psp_v3_1_bootloader_load_sos(struct psp_context *psp) |
2281 |
+ |
2282 |
+ /* there might be handshake issue with hardware which needs delay */ |
2283 |
+ mdelay(20); |
2284 |
+-#if 0 |
2285 |
+ ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81), |
2286 |
+ RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81), |
2287 |
+ 0, true); |
2288 |
+-#endif |
2289 |
+ |
2290 |
+ return ret; |
2291 |
+ } |
2292 |
+diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c |
2293 |
+index 4a11d4da4c92..ff30b34c8984 100644 |
2294 |
+--- a/drivers/infiniband/hw/hfi1/init.c |
2295 |
++++ b/drivers/infiniband/hw/hfi1/init.c |
2296 |
+@@ -483,7 +483,6 @@ void hfi1_init_pportdata(struct pci_dev *pdev, struct hfi1_pportdata *ppd, |
2297 |
+ |
2298 |
+ ppd->pkeys[default_pkey_idx] = DEFAULT_P_KEY; |
2299 |
+ ppd->part_enforce |= HFI1_PART_ENFORCE_IN; |
2300 |
+- ppd->part_enforce |= HFI1_PART_ENFORCE_OUT; |
2301 |
+ |
2302 |
+ if (loopback) { |
2303 |
+ hfi1_early_err(&pdev->dev, |
2304 |
+diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c |
2305 |
+index 1080778a1f7c..0c73fb0c2c1b 100644 |
2306 |
+--- a/drivers/infiniband/hw/hfi1/rc.c |
2307 |
++++ b/drivers/infiniband/hw/hfi1/rc.c |
2308 |
+@@ -425,7 +425,7 @@ int hfi1_make_rc_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps) |
2309 |
+ case IB_WR_RDMA_WRITE: |
2310 |
+ if (newreq && !(qp->s_flags & RVT_S_UNLIMITED_CREDIT)) |
2311 |
+ qp->s_lsn++; |
2312 |
+- /* FALLTHROUGH */ |
2313 |
++ goto no_flow_control; |
2314 |
+ case IB_WR_RDMA_WRITE_WITH_IMM: |
2315 |
+ /* If no credit, return. */ |
2316 |
+ if (!(qp->s_flags & RVT_S_UNLIMITED_CREDIT) && |
2317 |
+@@ -433,6 +433,7 @@ int hfi1_make_rc_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps) |
2318 |
+ qp->s_flags |= RVT_S_WAIT_SSN_CREDIT; |
2319 |
+ goto bail; |
2320 |
+ } |
2321 |
++no_flow_control: |
2322 |
+ put_ib_reth_vaddr( |
2323 |
+ wqe->rdma_wr.remote_addr, |
2324 |
+ &ohdr->u.rc.reth); |
2325 |
+diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c |
2326 |
+index 2c40a2e989d2..a0eb2f96179a 100644 |
2327 |
+--- a/drivers/infiniband/hw/mlx5/mr.c |
2328 |
++++ b/drivers/infiniband/hw/mlx5/mr.c |
2329 |
+@@ -48,6 +48,7 @@ enum { |
2330 |
+ #define MLX5_UMR_ALIGN 2048 |
2331 |
+ |
2332 |
+ static int clean_mr(struct mlx5_ib_mr *mr); |
2333 |
++static int max_umr_order(struct mlx5_ib_dev *dev); |
2334 |
+ static int use_umr(struct mlx5_ib_dev *dev, int order); |
2335 |
+ static int unreg_umr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr); |
2336 |
+ |
2337 |
+@@ -491,16 +492,18 @@ static struct mlx5_ib_mr *alloc_cached_mr(struct mlx5_ib_dev *dev, int order) |
2338 |
+ struct mlx5_mr_cache *cache = &dev->cache; |
2339 |
+ struct mlx5_ib_mr *mr = NULL; |
2340 |
+ struct mlx5_cache_ent *ent; |
2341 |
++ int last_umr_cache_entry; |
2342 |
+ int c; |
2343 |
+ int i; |
2344 |
+ |
2345 |
+ c = order2idx(dev, order); |
2346 |
+- if (c < 0 || c > MAX_UMR_CACHE_ENTRY) { |
2347 |
++ last_umr_cache_entry = order2idx(dev, max_umr_order(dev)); |
2348 |
++ if (c < 0 || c > last_umr_cache_entry) { |
2349 |
+ mlx5_ib_warn(dev, "order %d, cache index %d\n", order, c); |
2350 |
+ return NULL; |
2351 |
+ } |
2352 |
+ |
2353 |
+- for (i = c; i < MAX_UMR_CACHE_ENTRY; i++) { |
2354 |
++ for (i = c; i <= last_umr_cache_entry; i++) { |
2355 |
+ ent = &cache->ent[i]; |
2356 |
+ |
2357 |
+ mlx5_ib_dbg(dev, "order %d, cache index %d\n", ent->order, i); |
2358 |
+@@ -816,11 +819,16 @@ static int get_octo_len(u64 addr, u64 len, int page_size) |
2359 |
+ return (npages + 1) / 2; |
2360 |
+ } |
2361 |
+ |
2362 |
+-static int use_umr(struct mlx5_ib_dev *dev, int order) |
2363 |
++static int max_umr_order(struct mlx5_ib_dev *dev) |
2364 |
+ { |
2365 |
+ if (MLX5_CAP_GEN(dev->mdev, umr_extended_translation_offset)) |
2366 |
+- return order <= MAX_UMR_CACHE_ENTRY + 2; |
2367 |
+- return order <= MLX5_MAX_UMR_SHIFT; |
2368 |
++ return MAX_UMR_CACHE_ENTRY + 2; |
2369 |
++ return MLX5_MAX_UMR_SHIFT; |
2370 |
++} |
2371 |
++ |
2372 |
++static int use_umr(struct mlx5_ib_dev *dev, int order) |
2373 |
++{ |
2374 |
++ return order <= max_umr_order(dev); |
2375 |
+ } |
2376 |
+ |
2377 |
+ static int mr_umem_get(struct ib_pd *pd, u64 start, u64 length, |
2378 |
+diff --git a/drivers/infiniband/hw/qib/qib_rc.c b/drivers/infiniband/hw/qib/qib_rc.c |
2379 |
+index 4ddbcac5eabe..e9a91736b12d 100644 |
2380 |
+--- a/drivers/infiniband/hw/qib/qib_rc.c |
2381 |
++++ b/drivers/infiniband/hw/qib/qib_rc.c |
2382 |
+@@ -348,7 +348,7 @@ int qib_make_rc_req(struct rvt_qp *qp, unsigned long *flags) |
2383 |
+ case IB_WR_RDMA_WRITE: |
2384 |
+ if (newreq && !(qp->s_flags & RVT_S_UNLIMITED_CREDIT)) |
2385 |
+ qp->s_lsn++; |
2386 |
+- /* FALLTHROUGH */ |
2387 |
++ goto no_flow_control; |
2388 |
+ case IB_WR_RDMA_WRITE_WITH_IMM: |
2389 |
+ /* If no credit, return. */ |
2390 |
+ if (!(qp->s_flags & RVT_S_UNLIMITED_CREDIT) && |
2391 |
+@@ -356,7 +356,7 @@ int qib_make_rc_req(struct rvt_qp *qp, unsigned long *flags) |
2392 |
+ qp->s_flags |= RVT_S_WAIT_SSN_CREDIT; |
2393 |
+ goto bail; |
2394 |
+ } |
2395 |
+- |
2396 |
++no_flow_control: |
2397 |
+ ohdr->u.rc.reth.vaddr = |
2398 |
+ cpu_to_be64(wqe->rdma_wr.remote_addr); |
2399 |
+ ohdr->u.rc.reth.rkey = |
2400 |
+diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c |
2401 |
+index ca0e19ae7a90..f6d0c8f51613 100644 |
2402 |
+--- a/drivers/input/joystick/xpad.c |
2403 |
++++ b/drivers/input/joystick/xpad.c |
2404 |
+@@ -1764,10 +1764,12 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id |
2405 |
+ struct usb_endpoint_descriptor *ep = |
2406 |
+ &intf->cur_altsetting->endpoint[i].desc; |
2407 |
+ |
2408 |
+- if (usb_endpoint_dir_in(ep)) |
2409 |
+- ep_irq_in = ep; |
2410 |
+- else |
2411 |
+- ep_irq_out = ep; |
2412 |
++ if (usb_endpoint_xfer_int(ep)) { |
2413 |
++ if (usb_endpoint_dir_in(ep)) |
2414 |
++ ep_irq_in = ep; |
2415 |
++ else |
2416 |
++ ep_irq_out = ep; |
2417 |
++ } |
2418 |
+ } |
2419 |
+ |
2420 |
+ if (!ep_irq_in || !ep_irq_out) { |
2421 |
+diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h |
2422 |
+index f932a83b4990..9125ad017eda 100644 |
2423 |
+--- a/drivers/input/serio/i8042-x86ia64io.h |
2424 |
++++ b/drivers/input/serio/i8042-x86ia64io.h |
2425 |
+@@ -839,6 +839,13 @@ static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = { |
2426 |
+ DMI_MATCH(DMI_PRODUCT_NAME, "P34"), |
2427 |
+ }, |
2428 |
+ }, |
2429 |
++ { |
2430 |
++ /* Gigabyte P57 - Elantech touchpad */ |
2431 |
++ .matches = { |
2432 |
++ DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), |
2433 |
++ DMI_MATCH(DMI_PRODUCT_NAME, "P57"), |
2434 |
++ }, |
2435 |
++ }, |
2436 |
+ { |
2437 |
+ /* Schenker XMG C504 - Elantech touchpad */ |
2438 |
+ .matches = { |
2439 |
+diff --git a/drivers/mailbox/bcm-flexrm-mailbox.c b/drivers/mailbox/bcm-flexrm-mailbox.c |
2440 |
+index da67882caa7b..0e298ed42ae0 100644 |
2441 |
+--- a/drivers/mailbox/bcm-flexrm-mailbox.c |
2442 |
++++ b/drivers/mailbox/bcm-flexrm-mailbox.c |
2443 |
+@@ -95,7 +95,7 @@ |
2444 |
+ |
2445 |
+ /* Register RING_CMPL_START_ADDR fields */ |
2446 |
+ #define CMPL_START_ADDR_VALUE(pa) \ |
2447 |
+- ((u32)((((u64)(pa)) >> RING_CMPL_ALIGN_ORDER) & 0x03ffffff)) |
2448 |
++ ((u32)((((u64)(pa)) >> RING_CMPL_ALIGN_ORDER) & 0x07ffffff)) |
2449 |
+ |
2450 |
+ /* Register RING_CONTROL fields */ |
2451 |
+ #define CONTROL_MASK_DISABLE_CONTROL 12 |
2452 |
+diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h |
2453 |
+index dee542fff68e..2ed9bd231d84 100644 |
2454 |
+--- a/drivers/md/bcache/bcache.h |
2455 |
++++ b/drivers/md/bcache/bcache.h |
2456 |
+@@ -333,6 +333,7 @@ struct cached_dev { |
2457 |
+ /* Limit number of writeback bios in flight */ |
2458 |
+ struct semaphore in_flight; |
2459 |
+ struct task_struct *writeback_thread; |
2460 |
++ struct workqueue_struct *writeback_write_wq; |
2461 |
+ |
2462 |
+ struct keybuf writeback_keys; |
2463 |
+ |
2464 |
+diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c |
2465 |
+index 019b3df9f1c6..4b413db99276 100644 |
2466 |
+--- a/drivers/md/bcache/request.c |
2467 |
++++ b/drivers/md/bcache/request.c |
2468 |
+@@ -196,12 +196,12 @@ static void bch_data_insert_start(struct closure *cl) |
2469 |
+ struct data_insert_op *op = container_of(cl, struct data_insert_op, cl); |
2470 |
+ struct bio *bio = op->bio, *n; |
2471 |
+ |
2472 |
+- if (atomic_sub_return(bio_sectors(bio), &op->c->sectors_to_gc) < 0) |
2473 |
+- wake_up_gc(op->c); |
2474 |
+- |
2475 |
+ if (op->bypass) |
2476 |
+ return bch_data_invalidate(cl); |
2477 |
+ |
2478 |
++ if (atomic_sub_return(bio_sectors(bio), &op->c->sectors_to_gc) < 0) |
2479 |
++ wake_up_gc(op->c); |
2480 |
++ |
2481 |
+ /* |
2482 |
+ * Journal writes are marked REQ_PREFLUSH; if the original write was a |
2483 |
+ * flush, it'll wait on the journal write. |
2484 |
+@@ -400,12 +400,6 @@ static bool check_should_bypass(struct cached_dev *dc, struct bio *bio) |
2485 |
+ if (!congested && !dc->sequential_cutoff) |
2486 |
+ goto rescale; |
2487 |
+ |
2488 |
+- if (!congested && |
2489 |
+- mode == CACHE_MODE_WRITEBACK && |
2490 |
+- op_is_write(bio->bi_opf) && |
2491 |
+- op_is_sync(bio->bi_opf)) |
2492 |
+- goto rescale; |
2493 |
+- |
2494 |
+ spin_lock(&dc->io_lock); |
2495 |
+ |
2496 |
+ hlist_for_each_entry(i, iohash(dc, bio->bi_iter.bi_sector), hash) |
2497 |
+diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c |
2498 |
+index 8352fad765f6..046fc5bddf54 100644 |
2499 |
+--- a/drivers/md/bcache/super.c |
2500 |
++++ b/drivers/md/bcache/super.c |
2501 |
+@@ -1026,7 +1026,7 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c) |
2502 |
+ } |
2503 |
+ |
2504 |
+ if (BDEV_STATE(&dc->sb) == BDEV_STATE_DIRTY) { |
2505 |
+- bch_sectors_dirty_init(dc); |
2506 |
++ bch_sectors_dirty_init(&dc->disk); |
2507 |
+ atomic_set(&dc->has_dirty, 1); |
2508 |
+ atomic_inc(&dc->count); |
2509 |
+ bch_writeback_queue(dc); |
2510 |
+@@ -1059,6 +1059,8 @@ static void cached_dev_free(struct closure *cl) |
2511 |
+ cancel_delayed_work_sync(&dc->writeback_rate_update); |
2512 |
+ if (!IS_ERR_OR_NULL(dc->writeback_thread)) |
2513 |
+ kthread_stop(dc->writeback_thread); |
2514 |
++ if (dc->writeback_write_wq) |
2515 |
++ destroy_workqueue(dc->writeback_write_wq); |
2516 |
+ |
2517 |
+ mutex_lock(&bch_register_lock); |
2518 |
+ |
2519 |
+@@ -1228,6 +1230,7 @@ static int flash_dev_run(struct cache_set *c, struct uuid_entry *u) |
2520 |
+ goto err; |
2521 |
+ |
2522 |
+ bcache_device_attach(d, c, u - c->uuids); |
2523 |
++ bch_sectors_dirty_init(d); |
2524 |
+ bch_flash_dev_request_init(d); |
2525 |
+ add_disk(d->disk); |
2526 |
+ |
2527 |
+@@ -1964,6 +1967,8 @@ static ssize_t register_bcache(struct kobject *k, struct kobj_attribute *attr, |
2528 |
+ else |
2529 |
+ err = "device busy"; |
2530 |
+ mutex_unlock(&bch_register_lock); |
2531 |
++ if (!IS_ERR(bdev)) |
2532 |
++ bdput(bdev); |
2533 |
+ if (attr == &ksysfs_register_quiet) |
2534 |
+ goto out; |
2535 |
+ } |
2536 |
+diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c |
2537 |
+index f90f13616980..ab2f8ce1e3bc 100644 |
2538 |
+--- a/drivers/md/bcache/sysfs.c |
2539 |
++++ b/drivers/md/bcache/sysfs.c |
2540 |
+@@ -192,7 +192,7 @@ STORE(__cached_dev) |
2541 |
+ { |
2542 |
+ struct cached_dev *dc = container_of(kobj, struct cached_dev, |
2543 |
+ disk.kobj); |
2544 |
+- unsigned v = size; |
2545 |
++ ssize_t v = size; |
2546 |
+ struct cache_set *c; |
2547 |
+ struct kobj_uevent_env *env; |
2548 |
+ |
2549 |
+@@ -227,7 +227,7 @@ STORE(__cached_dev) |
2550 |
+ bch_cached_dev_run(dc); |
2551 |
+ |
2552 |
+ if (attr == &sysfs_cache_mode) { |
2553 |
+- ssize_t v = bch_read_string_list(buf, bch_cache_modes + 1); |
2554 |
++ v = bch_read_string_list(buf, bch_cache_modes + 1); |
2555 |
+ |
2556 |
+ if (v < 0) |
2557 |
+ return v; |
2558 |
+diff --git a/drivers/md/bcache/util.c b/drivers/md/bcache/util.c |
2559 |
+index 8c3a938f4bf0..176d3c2ef5f5 100644 |
2560 |
+--- a/drivers/md/bcache/util.c |
2561 |
++++ b/drivers/md/bcache/util.c |
2562 |
+@@ -74,24 +74,44 @@ STRTO_H(strtouint, unsigned int) |
2563 |
+ STRTO_H(strtoll, long long) |
2564 |
+ STRTO_H(strtoull, unsigned long long) |
2565 |
+ |
2566 |
++/** |
2567 |
++ * bch_hprint() - formats @v to human readable string for sysfs. |
2568 |
++ * |
2569 |
++ * @v - signed 64 bit integer |
2570 |
++ * @buf - the (at least 8 byte) buffer to format the result into. |
2571 |
++ * |
2572 |
++ * Returns the number of bytes used by format. |
2573 |
++ */ |
2574 |
+ ssize_t bch_hprint(char *buf, int64_t v) |
2575 |
+ { |
2576 |
+ static const char units[] = "?kMGTPEZY"; |
2577 |
+- char dec[4] = ""; |
2578 |
+- int u, t = 0; |
2579 |
+- |
2580 |
+- for (u = 0; v >= 1024 || v <= -1024; u++) { |
2581 |
+- t = v & ~(~0 << 10); |
2582 |
+- v >>= 10; |
2583 |
+- } |
2584 |
+- |
2585 |
+- if (!u) |
2586 |
+- return sprintf(buf, "%llu", v); |
2587 |
+- |
2588 |
+- if (v < 100 && v > -100) |
2589 |
+- snprintf(dec, sizeof(dec), ".%i", t / 100); |
2590 |
+- |
2591 |
+- return sprintf(buf, "%lli%s%c", v, dec, units[u]); |
2592 |
++ int u = 0, t; |
2593 |
++ |
2594 |
++ uint64_t q; |
2595 |
++ |
2596 |
++ if (v < 0) |
2597 |
++ q = -v; |
2598 |
++ else |
2599 |
++ q = v; |
2600 |
++ |
2601 |
++ /* For as long as the number is more than 3 digits, but at least |
2602 |
++ * once, shift right / divide by 1024. Keep the remainder for |
2603 |
++ * a digit after the decimal point. |
2604 |
++ */ |
2605 |
++ do { |
2606 |
++ u++; |
2607 |
++ |
2608 |
++ t = q & ~(~0 << 10); |
2609 |
++ q >>= 10; |
2610 |
++ } while (q >= 1000); |
2611 |
++ |
2612 |
++ if (v < 0) |
2613 |
++ /* '-', up to 3 digits, '.', 1 digit, 1 character, null; |
2614 |
++ * yields 8 bytes. |
2615 |
++ */ |
2616 |
++ return sprintf(buf, "-%llu.%i%c", q, t * 10 / 1024, units[u]); |
2617 |
++ else |
2618 |
++ return sprintf(buf, "%llu.%i%c", q, t * 10 / 1024, units[u]); |
2619 |
+ } |
2620 |
+ |
2621 |
+ ssize_t bch_snprint_string_list(char *buf, size_t size, const char * const list[], |
2622 |
+diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c |
2623 |
+index 42c66e76f05e..a635d6ac7fde 100644 |
2624 |
+--- a/drivers/md/bcache/writeback.c |
2625 |
++++ b/drivers/md/bcache/writeback.c |
2626 |
+@@ -21,7 +21,8 @@ |
2627 |
+ static void __update_writeback_rate(struct cached_dev *dc) |
2628 |
+ { |
2629 |
+ struct cache_set *c = dc->disk.c; |
2630 |
+- uint64_t cache_sectors = c->nbuckets * c->sb.bucket_size; |
2631 |
++ uint64_t cache_sectors = c->nbuckets * c->sb.bucket_size - |
2632 |
++ bcache_flash_devs_sectors_dirty(c); |
2633 |
+ uint64_t cache_dirty_target = |
2634 |
+ div_u64(cache_sectors * dc->writeback_percent, 100); |
2635 |
+ |
2636 |
+@@ -186,7 +187,7 @@ static void write_dirty(struct closure *cl) |
2637 |
+ |
2638 |
+ closure_bio_submit(&io->bio, cl); |
2639 |
+ |
2640 |
+- continue_at(cl, write_dirty_finish, system_wq); |
2641 |
++ continue_at(cl, write_dirty_finish, io->dc->writeback_write_wq); |
2642 |
+ } |
2643 |
+ |
2644 |
+ static void read_dirty_endio(struct bio *bio) |
2645 |
+@@ -206,7 +207,7 @@ static void read_dirty_submit(struct closure *cl) |
2646 |
+ |
2647 |
+ closure_bio_submit(&io->bio, cl); |
2648 |
+ |
2649 |
+- continue_at(cl, write_dirty, system_wq); |
2650 |
++ continue_at(cl, write_dirty, io->dc->writeback_write_wq); |
2651 |
+ } |
2652 |
+ |
2653 |
+ static void read_dirty(struct cached_dev *dc) |
2654 |
+@@ -482,17 +483,17 @@ static int sectors_dirty_init_fn(struct btree_op *_op, struct btree *b, |
2655 |
+ return MAP_CONTINUE; |
2656 |
+ } |
2657 |
+ |
2658 |
+-void bch_sectors_dirty_init(struct cached_dev *dc) |
2659 |
++void bch_sectors_dirty_init(struct bcache_device *d) |
2660 |
+ { |
2661 |
+ struct sectors_dirty_init op; |
2662 |
+ |
2663 |
+ bch_btree_op_init(&op.op, -1); |
2664 |
+- op.inode = dc->disk.id; |
2665 |
++ op.inode = d->id; |
2666 |
+ |
2667 |
+- bch_btree_map_keys(&op.op, dc->disk.c, &KEY(op.inode, 0, 0), |
2668 |
++ bch_btree_map_keys(&op.op, d->c, &KEY(op.inode, 0, 0), |
2669 |
+ sectors_dirty_init_fn, 0); |
2670 |
+ |
2671 |
+- dc->disk.sectors_dirty_last = bcache_dev_sectors_dirty(&dc->disk); |
2672 |
++ d->sectors_dirty_last = bcache_dev_sectors_dirty(d); |
2673 |
+ } |
2674 |
+ |
2675 |
+ void bch_cached_dev_writeback_init(struct cached_dev *dc) |
2676 |
+@@ -516,6 +517,11 @@ void bch_cached_dev_writeback_init(struct cached_dev *dc) |
2677 |
+ |
2678 |
+ int bch_cached_dev_writeback_start(struct cached_dev *dc) |
2679 |
+ { |
2680 |
++ dc->writeback_write_wq = alloc_workqueue("bcache_writeback_wq", |
2681 |
++ WQ_MEM_RECLAIM, 0); |
2682 |
++ if (!dc->writeback_write_wq) |
2683 |
++ return -ENOMEM; |
2684 |
++ |
2685 |
+ dc->writeback_thread = kthread_create(bch_writeback_thread, dc, |
2686 |
+ "bcache_writeback"); |
2687 |
+ if (IS_ERR(dc->writeback_thread)) |
2688 |
+diff --git a/drivers/md/bcache/writeback.h b/drivers/md/bcache/writeback.h |
2689 |
+index 629bd1a502fd..e35421d20d2e 100644 |
2690 |
+--- a/drivers/md/bcache/writeback.h |
2691 |
++++ b/drivers/md/bcache/writeback.h |
2692 |
+@@ -14,6 +14,25 @@ static inline uint64_t bcache_dev_sectors_dirty(struct bcache_device *d) |
2693 |
+ return ret; |
2694 |
+ } |
2695 |
+ |
2696 |
++static inline uint64_t bcache_flash_devs_sectors_dirty(struct cache_set *c) |
2697 |
++{ |
2698 |
++ uint64_t i, ret = 0; |
2699 |
++ |
2700 |
++ mutex_lock(&bch_register_lock); |
2701 |
++ |
2702 |
++ for (i = 0; i < c->nr_uuids; i++) { |
2703 |
++ struct bcache_device *d = c->devices[i]; |
2704 |
++ |
2705 |
++ if (!d || !UUID_FLASH_ONLY(&c->uuids[i])) |
2706 |
++ continue; |
2707 |
++ ret += bcache_dev_sectors_dirty(d); |
2708 |
++ } |
2709 |
++ |
2710 |
++ mutex_unlock(&bch_register_lock); |
2711 |
++ |
2712 |
++ return ret; |
2713 |
++} |
2714 |
++ |
2715 |
+ static inline unsigned offset_to_stripe(struct bcache_device *d, |
2716 |
+ uint64_t offset) |
2717 |
+ { |
2718 |
+@@ -84,7 +103,7 @@ static inline void bch_writeback_add(struct cached_dev *dc) |
2719 |
+ |
2720 |
+ void bcache_dev_sectors_dirty_add(struct cache_set *, unsigned, uint64_t, int); |
2721 |
+ |
2722 |
+-void bch_sectors_dirty_init(struct cached_dev *dc); |
2723 |
++void bch_sectors_dirty_init(struct bcache_device *); |
2724 |
+ void bch_cached_dev_writeback_init(struct cached_dev *); |
2725 |
+ int bch_cached_dev_writeback_start(struct cached_dev *); |
2726 |
+ |
2727 |
+diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c |
2728 |
+index 40f3cd7eab0f..d2121637b4ab 100644 |
2729 |
+--- a/drivers/md/bitmap.c |
2730 |
++++ b/drivers/md/bitmap.c |
2731 |
+@@ -625,7 +625,7 @@ static int bitmap_read_sb(struct bitmap *bitmap) |
2732 |
+ err = read_sb_page(bitmap->mddev, |
2733 |
+ offset, |
2734 |
+ sb_page, |
2735 |
+- 0, sizeof(bitmap_super_t)); |
2736 |
++ 0, PAGE_SIZE); |
2737 |
+ } |
2738 |
+ if (err) |
2739 |
+ return err; |
2740 |
+@@ -2058,6 +2058,11 @@ int bitmap_resize(struct bitmap *bitmap, sector_t blocks, |
2741 |
+ long pages; |
2742 |
+ struct bitmap_page *new_bp; |
2743 |
+ |
2744 |
++ if (bitmap->storage.file && !init) { |
2745 |
++ pr_info("md: cannot resize file-based bitmap\n"); |
2746 |
++ return -EINVAL; |
2747 |
++ } |
2748 |
++ |
2749 |
+ if (chunksize == 0) { |
2750 |
+ /* If there is enough space, leave the chunk size unchanged, |
2751 |
+ * else increase by factor of two until there is enough space. |
2752 |
+@@ -2118,7 +2123,7 @@ int bitmap_resize(struct bitmap *bitmap, sector_t blocks, |
2753 |
+ if (store.sb_page && bitmap->storage.sb_page) |
2754 |
+ memcpy(page_address(store.sb_page), |
2755 |
+ page_address(bitmap->storage.sb_page), |
2756 |
+- sizeof(bitmap_super_t)); |
2757 |
++ PAGE_SIZE); |
2758 |
+ bitmap_file_unmap(&bitmap->storage); |
2759 |
+ bitmap->storage = store; |
2760 |
+ |
2761 |
+diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c |
2762 |
+index 78de7ddf5081..3df28f2f9b38 100644 |
2763 |
+--- a/drivers/media/i2c/adv7180.c |
2764 |
++++ b/drivers/media/i2c/adv7180.c |
2765 |
+@@ -1402,6 +1402,8 @@ static int adv7180_remove(struct i2c_client *client) |
2766 |
+ |
2767 |
+ static const struct i2c_device_id adv7180_id[] = { |
2768 |
+ { "adv7180", (kernel_ulong_t)&adv7180_info }, |
2769 |
++ { "adv7180cp", (kernel_ulong_t)&adv7180_info }, |
2770 |
++ { "adv7180st", (kernel_ulong_t)&adv7180_info }, |
2771 |
+ { "adv7182", (kernel_ulong_t)&adv7182_info }, |
2772 |
+ { "adv7280", (kernel_ulong_t)&adv7280_info }, |
2773 |
+ { "adv7280-m", (kernel_ulong_t)&adv7280_m_info }, |
2774 |
+diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c |
2775 |
+index 5f4434c0a8f1..2d6187904552 100644 |
2776 |
+--- a/drivers/media/platform/qcom/venus/helpers.c |
2777 |
++++ b/drivers/media/platform/qcom/venus/helpers.c |
2778 |
+@@ -243,7 +243,7 @@ static void return_buf_error(struct venus_inst *inst, |
2779 |
+ if (vbuf->vb2_buf.type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) |
2780 |
+ v4l2_m2m_src_buf_remove_by_buf(m2m_ctx, vbuf); |
2781 |
+ else |
2782 |
+- v4l2_m2m_src_buf_remove_by_buf(m2m_ctx, vbuf); |
2783 |
++ v4l2_m2m_dst_buf_remove_by_buf(m2m_ctx, vbuf); |
2784 |
+ |
2785 |
+ v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR); |
2786 |
+ } |
2787 |
+diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c |
2788 |
+index db1e7b70c998..9080e39ea391 100644 |
2789 |
+--- a/drivers/media/rc/lirc_dev.c |
2790 |
++++ b/drivers/media/rc/lirc_dev.c |
2791 |
+@@ -59,6 +59,8 @@ static void lirc_release(struct device *ld) |
2792 |
+ { |
2793 |
+ struct irctl *ir = container_of(ld, struct irctl, dev); |
2794 |
+ |
2795 |
++ put_device(ir->dev.parent); |
2796 |
++ |
2797 |
+ if (ir->buf_internal) { |
2798 |
+ lirc_buffer_free(ir->buf); |
2799 |
+ kfree(ir->buf); |
2800 |
+@@ -218,6 +220,8 @@ int lirc_register_driver(struct lirc_driver *d) |
2801 |
+ |
2802 |
+ mutex_unlock(&lirc_dev_lock); |
2803 |
+ |
2804 |
++ get_device(ir->dev.parent); |
2805 |
++ |
2806 |
+ dev_info(ir->d.dev, "lirc_dev: driver %s registered at minor = %d\n", |
2807 |
+ ir->d.name, ir->d.minor); |
2808 |
+ |
2809 |
+diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c |
2810 |
+index c2ee6e39fd0c..20397aba6849 100644 |
2811 |
+--- a/drivers/media/usb/uvc/uvc_ctrl.c |
2812 |
++++ b/drivers/media/usb/uvc/uvc_ctrl.c |
2813 |
+@@ -2002,6 +2002,13 @@ int uvc_ctrl_add_mapping(struct uvc_video_chain *chain, |
2814 |
+ goto done; |
2815 |
+ } |
2816 |
+ |
2817 |
++ /* Validate the user-provided bit-size and offset */ |
2818 |
++ if (mapping->size > 32 || |
2819 |
++ mapping->offset + mapping->size > ctrl->info.size * 8) { |
2820 |
++ ret = -EINVAL; |
2821 |
++ goto done; |
2822 |
++ } |
2823 |
++ |
2824 |
+ list_for_each_entry(map, &ctrl->info.mappings, list) { |
2825 |
+ if (mapping->id == map->id) { |
2826 |
+ uvc_trace(UVC_TRACE_CONTROL, "Can't add mapping '%s', " |
2827 |
+diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c |
2828 |
+index 6f52970f8b54..0c14e995667c 100644 |
2829 |
+--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c |
2830 |
++++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c |
2831 |
+@@ -796,7 +796,8 @@ static int put_v4l2_event32(struct v4l2_event *kp, struct v4l2_event32 __user *u |
2832 |
+ copy_to_user(&up->u, &kp->u, sizeof(kp->u)) || |
2833 |
+ put_user(kp->pending, &up->pending) || |
2834 |
+ put_user(kp->sequence, &up->sequence) || |
2835 |
+- compat_put_timespec(&kp->timestamp, &up->timestamp) || |
2836 |
++ put_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec) || |
2837 |
++ put_user(kp->timestamp.tv_nsec, &up->timestamp.tv_nsec) || |
2838 |
+ put_user(kp->id, &up->id) || |
2839 |
+ copy_to_user(up->reserved, kp->reserved, 8 * sizeof(__u32))) |
2840 |
+ return -EFAULT; |
2841 |
+diff --git a/drivers/misc/cxl/api.c b/drivers/misc/cxl/api.c |
2842 |
+index 1a138c83f877..a0c44d16bf30 100644 |
2843 |
+--- a/drivers/misc/cxl/api.c |
2844 |
++++ b/drivers/misc/cxl/api.c |
2845 |
+@@ -336,6 +336,10 @@ int cxl_start_context(struct cxl_context *ctx, u64 wed, |
2846 |
+ mmput(ctx->mm); |
2847 |
+ } |
2848 |
+ |
2849 |
++ /* |
2850 |
++ * Increment driver use count. Enables global TLBIs for hash |
2851 |
++ * and callbacks to handle the segment table |
2852 |
++ */ |
2853 |
+ cxl_ctx_get(); |
2854 |
+ |
2855 |
+ if ((rc = cxl_ops->attach_process(ctx, kernel, wed, 0))) { |
2856 |
+diff --git a/drivers/misc/cxl/file.c b/drivers/misc/cxl/file.c |
2857 |
+index 0761271d68c5..4bfad9f6dc9f 100644 |
2858 |
+--- a/drivers/misc/cxl/file.c |
2859 |
++++ b/drivers/misc/cxl/file.c |
2860 |
+@@ -95,7 +95,6 @@ static int __afu_open(struct inode *inode, struct file *file, bool master) |
2861 |
+ |
2862 |
+ pr_devel("afu_open pe: %i\n", ctx->pe); |
2863 |
+ file->private_data = ctx; |
2864 |
+- cxl_ctx_get(); |
2865 |
+ |
2866 |
+ /* indicate success */ |
2867 |
+ rc = 0; |
2868 |
+@@ -225,6 +224,12 @@ static long afu_ioctl_start_work(struct cxl_context *ctx, |
2869 |
+ if (ctx->mm) |
2870 |
+ mmput(ctx->mm); |
2871 |
+ |
2872 |
++ /* |
2873 |
++ * Increment driver use count. Enables global TLBIs for hash |
2874 |
++ * and callbacks to handle the segment table |
2875 |
++ */ |
2876 |
++ cxl_ctx_get(); |
2877 |
++ |
2878 |
+ trace_cxl_attach(ctx, work.work_element_descriptor, work.num_interrupts, amr); |
2879 |
+ |
2880 |
+ if ((rc = cxl_ops->attach_process(ctx, false, work.work_element_descriptor, |
2881 |
+@@ -233,6 +238,7 @@ static long afu_ioctl_start_work(struct cxl_context *ctx, |
2882 |
+ cxl_adapter_context_put(ctx->afu->adapter); |
2883 |
+ put_pid(ctx->pid); |
2884 |
+ ctx->pid = NULL; |
2885 |
++ cxl_ctx_put(); |
2886 |
+ cxl_context_mm_count_put(ctx); |
2887 |
+ goto out; |
2888 |
+ } |
2889 |
+diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c |
2890 |
+index 517a315e259b..35bd50bcbbd5 100644 |
2891 |
+--- a/drivers/net/wireless/ath/wcn36xx/main.c |
2892 |
++++ b/drivers/net/wireless/ath/wcn36xx/main.c |
2893 |
+@@ -372,6 +372,8 @@ static int wcn36xx_config(struct ieee80211_hw *hw, u32 changed) |
2894 |
+ |
2895 |
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac config changed 0x%08x\n", changed); |
2896 |
+ |
2897 |
++ mutex_lock(&wcn->conf_mutex); |
2898 |
++ |
2899 |
+ if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { |
2900 |
+ int ch = WCN36XX_HW_CHANNEL(wcn); |
2901 |
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "wcn36xx_config channel switch=%d\n", |
2902 |
+@@ -382,6 +384,8 @@ static int wcn36xx_config(struct ieee80211_hw *hw, u32 changed) |
2903 |
+ } |
2904 |
+ } |
2905 |
+ |
2906 |
++ mutex_unlock(&wcn->conf_mutex); |
2907 |
++ |
2908 |
+ return 0; |
2909 |
+ } |
2910 |
+ |
2911 |
+@@ -396,6 +400,8 @@ static void wcn36xx_configure_filter(struct ieee80211_hw *hw, |
2912 |
+ |
2913 |
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac configure filter\n"); |
2914 |
+ |
2915 |
++ mutex_lock(&wcn->conf_mutex); |
2916 |
++ |
2917 |
+ *total &= FIF_ALLMULTI; |
2918 |
+ |
2919 |
+ fp = (void *)(unsigned long)multicast; |
2920 |
+@@ -408,6 +414,8 @@ static void wcn36xx_configure_filter(struct ieee80211_hw *hw, |
2921 |
+ else if (NL80211_IFTYPE_STATION == vif->type && tmp->sta_assoc) |
2922 |
+ wcn36xx_smd_set_mc_list(wcn, vif, fp); |
2923 |
+ } |
2924 |
++ |
2925 |
++ mutex_unlock(&wcn->conf_mutex); |
2926 |
+ kfree(fp); |
2927 |
+ } |
2928 |
+ |
2929 |
+@@ -471,6 +479,8 @@ static int wcn36xx_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
2930 |
+ key_conf->key, |
2931 |
+ key_conf->keylen); |
2932 |
+ |
2933 |
++ mutex_lock(&wcn->conf_mutex); |
2934 |
++ |
2935 |
+ switch (key_conf->cipher) { |
2936 |
+ case WLAN_CIPHER_SUITE_WEP40: |
2937 |
+ vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP40; |
2938 |
+@@ -565,6 +575,8 @@ static int wcn36xx_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
2939 |
+ } |
2940 |
+ |
2941 |
+ out: |
2942 |
++ mutex_unlock(&wcn->conf_mutex); |
2943 |
++ |
2944 |
+ return ret; |
2945 |
+ } |
2946 |
+ |
2947 |
+@@ -725,6 +737,8 @@ static void wcn36xx_bss_info_changed(struct ieee80211_hw *hw, |
2948 |
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss info changed vif %p changed 0x%08x\n", |
2949 |
+ vif, changed); |
2950 |
+ |
2951 |
++ mutex_lock(&wcn->conf_mutex); |
2952 |
++ |
2953 |
+ if (changed & BSS_CHANGED_BEACON_INFO) { |
2954 |
+ wcn36xx_dbg(WCN36XX_DBG_MAC, |
2955 |
+ "mac bss changed dtim period %d\n", |
2956 |
+@@ -787,7 +801,13 @@ static void wcn36xx_bss_info_changed(struct ieee80211_hw *hw, |
2957 |
+ bss_conf->aid); |
2958 |
+ |
2959 |
+ vif_priv->sta_assoc = true; |
2960 |
+- rcu_read_lock(); |
2961 |
++ |
2962 |
++ /* |
2963 |
++ * Holding conf_mutex ensures mutal exclusion with |
2964 |
++ * wcn36xx_sta_remove() and as such ensures that sta |
2965 |
++ * won't be freed while we're operating on it. As such |
2966 |
++ * we do not need to hold the rcu_read_lock(). |
2967 |
++ */ |
2968 |
+ sta = ieee80211_find_sta(vif, bss_conf->bssid); |
2969 |
+ if (!sta) { |
2970 |
+ wcn36xx_err("sta %pM is not found\n", |
2971 |
+@@ -811,7 +831,6 @@ static void wcn36xx_bss_info_changed(struct ieee80211_hw *hw, |
2972 |
+ * place where AID is available. |
2973 |
+ */ |
2974 |
+ wcn36xx_smd_config_sta(wcn, vif, sta); |
2975 |
+- rcu_read_unlock(); |
2976 |
+ } else { |
2977 |
+ wcn36xx_dbg(WCN36XX_DBG_MAC, |
2978 |
+ "disassociated bss %pM vif %pM AID=%d\n", |
2979 |
+@@ -873,6 +892,9 @@ static void wcn36xx_bss_info_changed(struct ieee80211_hw *hw, |
2980 |
+ } |
2981 |
+ } |
2982 |
+ out: |
2983 |
++ |
2984 |
++ mutex_unlock(&wcn->conf_mutex); |
2985 |
++ |
2986 |
+ return; |
2987 |
+ } |
2988 |
+ |
2989 |
+@@ -882,7 +904,10 @@ static int wcn36xx_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
2990 |
+ struct wcn36xx *wcn = hw->priv; |
2991 |
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac set RTS threshold %d\n", value); |
2992 |
+ |
2993 |
++ mutex_lock(&wcn->conf_mutex); |
2994 |
+ wcn36xx_smd_update_cfg(wcn, WCN36XX_HAL_CFG_RTS_THRESHOLD, value); |
2995 |
++ mutex_unlock(&wcn->conf_mutex); |
2996 |
++ |
2997 |
+ return 0; |
2998 |
+ } |
2999 |
+ |
3000 |
+@@ -893,8 +918,12 @@ static void wcn36xx_remove_interface(struct ieee80211_hw *hw, |
3001 |
+ struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); |
3002 |
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac remove interface vif %p\n", vif); |
3003 |
+ |
3004 |
++ mutex_lock(&wcn->conf_mutex); |
3005 |
++ |
3006 |
+ list_del(&vif_priv->list); |
3007 |
+ wcn36xx_smd_delete_sta_self(wcn, vif->addr); |
3008 |
++ |
3009 |
++ mutex_unlock(&wcn->conf_mutex); |
3010 |
+ } |
3011 |
+ |
3012 |
+ static int wcn36xx_add_interface(struct ieee80211_hw *hw, |
3013 |
+@@ -915,9 +944,13 @@ static int wcn36xx_add_interface(struct ieee80211_hw *hw, |
3014 |
+ return -EOPNOTSUPP; |
3015 |
+ } |
3016 |
+ |
3017 |
++ mutex_lock(&wcn->conf_mutex); |
3018 |
++ |
3019 |
+ list_add(&vif_priv->list, &wcn->vif_list); |
3020 |
+ wcn36xx_smd_add_sta_self(wcn, vif); |
3021 |
+ |
3022 |
++ mutex_unlock(&wcn->conf_mutex); |
3023 |
++ |
3024 |
+ return 0; |
3025 |
+ } |
3026 |
+ |
3027 |
+@@ -930,6 +963,8 @@ static int wcn36xx_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
3028 |
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta add vif %p sta %pM\n", |
3029 |
+ vif, sta->addr); |
3030 |
+ |
3031 |
++ mutex_lock(&wcn->conf_mutex); |
3032 |
++ |
3033 |
+ spin_lock_init(&sta_priv->ampdu_lock); |
3034 |
+ sta_priv->vif = vif_priv; |
3035 |
+ /* |
3036 |
+@@ -941,6 +976,9 @@ static int wcn36xx_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
3037 |
+ sta_priv->aid = sta->aid; |
3038 |
+ wcn36xx_smd_config_sta(wcn, vif, sta); |
3039 |
+ } |
3040 |
++ |
3041 |
++ mutex_unlock(&wcn->conf_mutex); |
3042 |
++ |
3043 |
+ return 0; |
3044 |
+ } |
3045 |
+ |
3046 |
+@@ -954,8 +992,13 @@ static int wcn36xx_sta_remove(struct ieee80211_hw *hw, |
3047 |
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta remove vif %p sta %pM index %d\n", |
3048 |
+ vif, sta->addr, sta_priv->sta_index); |
3049 |
+ |
3050 |
++ mutex_lock(&wcn->conf_mutex); |
3051 |
++ |
3052 |
+ wcn36xx_smd_delete_sta(wcn, sta_priv->sta_index); |
3053 |
+ sta_priv->vif = NULL; |
3054 |
++ |
3055 |
++ mutex_unlock(&wcn->conf_mutex); |
3056 |
++ |
3057 |
+ return 0; |
3058 |
+ } |
3059 |
+ |
3060 |
+@@ -999,6 +1042,8 @@ static int wcn36xx_ampdu_action(struct ieee80211_hw *hw, |
3061 |
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu action action %d tid %d\n", |
3062 |
+ action, tid); |
3063 |
+ |
3064 |
++ mutex_lock(&wcn->conf_mutex); |
3065 |
++ |
3066 |
+ switch (action) { |
3067 |
+ case IEEE80211_AMPDU_RX_START: |
3068 |
+ sta_priv->tid = tid; |
3069 |
+@@ -1038,6 +1083,8 @@ static int wcn36xx_ampdu_action(struct ieee80211_hw *hw, |
3070 |
+ wcn36xx_err("Unknown AMPDU action\n"); |
3071 |
+ } |
3072 |
+ |
3073 |
++ mutex_unlock(&wcn->conf_mutex); |
3074 |
++ |
3075 |
+ return 0; |
3076 |
+ } |
3077 |
+ |
3078 |
+@@ -1216,6 +1263,7 @@ static int wcn36xx_probe(struct platform_device *pdev) |
3079 |
+ wcn = hw->priv; |
3080 |
+ wcn->hw = hw; |
3081 |
+ wcn->dev = &pdev->dev; |
3082 |
++ mutex_init(&wcn->conf_mutex); |
3083 |
+ mutex_init(&wcn->hal_mutex); |
3084 |
+ mutex_init(&wcn->scan_lock); |
3085 |
+ |
3086 |
+diff --git a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h |
3087 |
+index b52b4da9a967..6aefba4c0cda 100644 |
3088 |
+--- a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h |
3089 |
++++ b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h |
3090 |
+@@ -202,6 +202,9 @@ struct wcn36xx { |
3091 |
+ struct qcom_smem_state *tx_rings_empty_state; |
3092 |
+ unsigned tx_rings_empty_state_bit; |
3093 |
+ |
3094 |
++ /* prevents concurrent FW reconfiguration */ |
3095 |
++ struct mutex conf_mutex; |
3096 |
++ |
3097 |
+ /* |
3098 |
+ * smd_buf must be protected with smd_mutex to garantee |
3099 |
+ * that all messages are sent one after another |
3100 |
+diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c |
3101 |
+index 3ee6767392b6..d25bad052d78 100644 |
3102 |
+--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c |
3103 |
++++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c |
3104 |
+@@ -79,6 +79,7 @@ |
3105 |
+ /* NVM offsets (in words) definitions */ |
3106 |
+ enum wkp_nvm_offsets { |
3107 |
+ /* NVM HW-Section offset (in words) definitions */ |
3108 |
++ SUBSYSTEM_ID = 0x0A, |
3109 |
+ HW_ADDR = 0x15, |
3110 |
+ |
3111 |
+ /* NVM SW-Section offset (in words) definitions */ |
3112 |
+@@ -254,13 +255,12 @@ static u32 iwl_get_channel_flags(u8 ch_num, int ch_idx, bool is_5ghz, |
3113 |
+ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg, |
3114 |
+ struct iwl_nvm_data *data, |
3115 |
+ const __le16 * const nvm_ch_flags, |
3116 |
+- bool lar_supported) |
3117 |
++ bool lar_supported, bool no_wide_in_5ghz) |
3118 |
+ { |
3119 |
+ int ch_idx; |
3120 |
+ int n_channels = 0; |
3121 |
+ struct ieee80211_channel *channel; |
3122 |
+ u16 ch_flags; |
3123 |
+- bool is_5ghz; |
3124 |
+ int num_of_ch, num_2ghz_channels; |
3125 |
+ const u8 *nvm_chan; |
3126 |
+ |
3127 |
+@@ -275,12 +275,20 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg, |
3128 |
+ } |
3129 |
+ |
3130 |
+ for (ch_idx = 0; ch_idx < num_of_ch; ch_idx++) { |
3131 |
++ bool is_5ghz = (ch_idx >= num_2ghz_channels); |
3132 |
++ |
3133 |
+ ch_flags = __le16_to_cpup(nvm_ch_flags + ch_idx); |
3134 |
+ |
3135 |
+- if (ch_idx >= num_2ghz_channels && |
3136 |
+- !data->sku_cap_band_52GHz_enable) |
3137 |
++ if (is_5ghz && !data->sku_cap_band_52GHz_enable) |
3138 |
+ continue; |
3139 |
+ |
3140 |
++ /* workaround to disable wide channels in 5GHz */ |
3141 |
++ if (no_wide_in_5ghz && is_5ghz) { |
3142 |
++ ch_flags &= ~(NVM_CHANNEL_40MHZ | |
3143 |
++ NVM_CHANNEL_80MHZ | |
3144 |
++ NVM_CHANNEL_160MHZ); |
3145 |
++ } |
3146 |
++ |
3147 |
+ if (ch_flags & NVM_CHANNEL_160MHZ) |
3148 |
+ data->vht160_supported = true; |
3149 |
+ |
3150 |
+@@ -303,8 +311,8 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg, |
3151 |
+ n_channels++; |
3152 |
+ |
3153 |
+ channel->hw_value = nvm_chan[ch_idx]; |
3154 |
+- channel->band = (ch_idx < num_2ghz_channels) ? |
3155 |
+- NL80211_BAND_2GHZ : NL80211_BAND_5GHZ; |
3156 |
++ channel->band = is_5ghz ? |
3157 |
++ NL80211_BAND_5GHZ : NL80211_BAND_2GHZ; |
3158 |
+ channel->center_freq = |
3159 |
+ ieee80211_channel_to_frequency( |
3160 |
+ channel->hw_value, channel->band); |
3161 |
+@@ -316,7 +324,6 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg, |
3162 |
+ * is not used in mvm, and is used for backwards compatibility |
3163 |
+ */ |
3164 |
+ channel->max_power = IWL_DEFAULT_MAX_TX_POWER; |
3165 |
+- is_5ghz = channel->band == NL80211_BAND_5GHZ; |
3166 |
+ |
3167 |
+ /* don't put limitations in case we're using LAR */ |
3168 |
+ if (!lar_supported) |
3169 |
+@@ -432,14 +439,15 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg, |
3170 |
+ |
3171 |
+ void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg, |
3172 |
+ struct iwl_nvm_data *data, const __le16 *nvm_ch_flags, |
3173 |
+- u8 tx_chains, u8 rx_chains, bool lar_supported) |
3174 |
++ u8 tx_chains, u8 rx_chains, bool lar_supported, |
3175 |
++ bool no_wide_in_5ghz) |
3176 |
+ { |
3177 |
+ int n_channels; |
3178 |
+ int n_used = 0; |
3179 |
+ struct ieee80211_supported_band *sband; |
3180 |
+ |
3181 |
+ n_channels = iwl_init_channel_map(dev, cfg, data, nvm_ch_flags, |
3182 |
+- lar_supported); |
3183 |
++ lar_supported, no_wide_in_5ghz); |
3184 |
+ sband = &data->bands[NL80211_BAND_2GHZ]; |
3185 |
+ sband->band = NL80211_BAND_2GHZ; |
3186 |
+ sband->bitrates = &iwl_cfg80211_rates[RATES_24_OFFS]; |
3187 |
+@@ -645,6 +653,39 @@ static int iwl_set_hw_address(struct iwl_trans *trans, |
3188 |
+ return 0; |
3189 |
+ } |
3190 |
+ |
3191 |
++static bool |
3192 |
++iwl_nvm_no_wide_in_5ghz(struct device *dev, const struct iwl_cfg *cfg, |
3193 |
++ const __le16 *nvm_hw) |
3194 |
++{ |
3195 |
++ /* |
3196 |
++ * Workaround a bug in Indonesia SKUs where the regulatory in |
3197 |
++ * some 7000-family OTPs erroneously allow wide channels in |
3198 |
++ * 5GHz. To check for Indonesia, we take the SKU value from |
3199 |
++ * bits 1-4 in the subsystem ID and check if it is either 5 or |
3200 |
++ * 9. In those cases, we need to force-disable wide channels |
3201 |
++ * in 5GHz otherwise the FW will throw a sysassert when we try |
3202 |
++ * to use them. |
3203 |
++ */ |
3204 |
++ if (cfg->device_family == IWL_DEVICE_FAMILY_7000) { |
3205 |
++ /* |
3206 |
++ * Unlike the other sections in the NVM, the hw |
3207 |
++ * section uses big-endian. |
3208 |
++ */ |
3209 |
++ u16 subsystem_id = be16_to_cpup((const __be16 *)nvm_hw |
3210 |
++ + SUBSYSTEM_ID); |
3211 |
++ u8 sku = (subsystem_id & 0x1e) >> 1; |
3212 |
++ |
3213 |
++ if (sku == 5 || sku == 9) { |
3214 |
++ IWL_DEBUG_EEPROM(dev, |
3215 |
++ "disabling wide channels in 5GHz (0x%0x %d)\n", |
3216 |
++ subsystem_id, sku); |
3217 |
++ return true; |
3218 |
++ } |
3219 |
++ } |
3220 |
++ |
3221 |
++ return false; |
3222 |
++} |
3223 |
++ |
3224 |
+ struct iwl_nvm_data * |
3225 |
+ iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg, |
3226 |
+ const __le16 *nvm_hw, const __le16 *nvm_sw, |
3227 |
+@@ -655,6 +696,7 @@ iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg, |
3228 |
+ struct device *dev = trans->dev; |
3229 |
+ struct iwl_nvm_data *data; |
3230 |
+ bool lar_enabled; |
3231 |
++ bool no_wide_in_5ghz = iwl_nvm_no_wide_in_5ghz(dev, cfg, nvm_hw); |
3232 |
+ u32 sku, radio_cfg; |
3233 |
+ u16 lar_config; |
3234 |
+ const __le16 *ch_section; |
3235 |
+@@ -725,7 +767,7 @@ iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg, |
3236 |
+ } |
3237 |
+ |
3238 |
+ iwl_init_sbands(dev, cfg, data, ch_section, tx_chains, rx_chains, |
3239 |
+- lar_fw_supported && lar_enabled); |
3240 |
++ lar_fw_supported && lar_enabled, no_wide_in_5ghz); |
3241 |
+ data->calib_version = 255; |
3242 |
+ |
3243 |
+ return data; |
3244 |
+diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h |
3245 |
+index 3fd6506a02ab..50d9b3eaa4f8 100644 |
3246 |
+--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h |
3247 |
++++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h |
3248 |
+@@ -93,7 +93,8 @@ void iwl_set_hw_address_from_csr(struct iwl_trans *trans, |
3249 |
+ */ |
3250 |
+ void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg, |
3251 |
+ struct iwl_nvm_data *data, const __le16 *nvm_ch_flags, |
3252 |
+- u8 tx_chains, u8 rx_chains, bool lar_supported); |
3253 |
++ u8 tx_chains, u8 rx_chains, bool lar_supported, |
3254 |
++ bool no_wide_in_5ghz); |
3255 |
+ |
3256 |
+ /** |
3257 |
+ * iwl_parse_mcc_info - parse MCC (mobile country code) info coming from FW |
3258 |
+diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c |
3259 |
+index dac7e542a190..4de565cec747 100644 |
3260 |
+--- a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c |
3261 |
++++ b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c |
3262 |
+@@ -628,7 +628,8 @@ int iwl_mvm_nvm_get_from_fw(struct iwl_mvm *mvm) |
3263 |
+ rsp->regulatory.channel_profile, |
3264 |
+ mvm->nvm_data->valid_tx_ant & mvm->fw->valid_tx_ant, |
3265 |
+ mvm->nvm_data->valid_rx_ant & mvm->fw->valid_rx_ant, |
3266 |
+- rsp->regulatory.lar_enabled && lar_fw_supported); |
3267 |
++ rsp->regulatory.lar_enabled && lar_fw_supported, |
3268 |
++ false); |
3269 |
+ |
3270 |
+ iwl_free_resp(&hcmd); |
3271 |
+ return 0; |
3272 |
+diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c |
3273 |
+index 026830a138ae..e5d5ce9e3010 100644 |
3274 |
+--- a/drivers/pci/hotplug/pciehp_hpc.c |
3275 |
++++ b/drivers/pci/hotplug/pciehp_hpc.c |
3276 |
+@@ -586,6 +586,14 @@ static irqreturn_t pciehp_isr(int irq, void *dev_id) |
3277 |
+ events = status & (PCI_EXP_SLTSTA_ABP | PCI_EXP_SLTSTA_PFD | |
3278 |
+ PCI_EXP_SLTSTA_PDC | PCI_EXP_SLTSTA_CC | |
3279 |
+ PCI_EXP_SLTSTA_DLLSC); |
3280 |
++ |
3281 |
++ /* |
3282 |
++ * If we've already reported a power fault, don't report it again |
3283 |
++ * until we've done something to handle it. |
3284 |
++ */ |
3285 |
++ if (ctrl->power_fault_detected) |
3286 |
++ events &= ~PCI_EXP_SLTSTA_PFD; |
3287 |
++ |
3288 |
+ if (!events) |
3289 |
+ return IRQ_NONE; |
3290 |
+ |
3291 |
+diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c |
3292 |
+index de0ea474fb73..e5824c7b7b6b 100644 |
3293 |
+--- a/drivers/pci/hotplug/shpchp_hpc.c |
3294 |
++++ b/drivers/pci/hotplug/shpchp_hpc.c |
3295 |
+@@ -1062,6 +1062,8 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) |
3296 |
+ if (rc) { |
3297 |
+ ctrl_info(ctrl, "Can't get msi for the hotplug controller\n"); |
3298 |
+ ctrl_info(ctrl, "Use INTx for the hotplug controller\n"); |
3299 |
++ } else { |
3300 |
++ pci_set_master(pdev); |
3301 |
+ } |
3302 |
+ |
3303 |
+ rc = request_irq(ctrl->pci_dev->irq, shpc_isr, IRQF_SHARED, |
3304 |
+diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c |
3305 |
+index e6779d4352a2..7c30fd986560 100644 |
3306 |
+--- a/drivers/pinctrl/pinctrl-amd.c |
3307 |
++++ b/drivers/pinctrl/pinctrl-amd.c |
3308 |
+@@ -36,6 +36,7 @@ |
3309 |
+ #include <linux/pinctrl/pinconf.h> |
3310 |
+ #include <linux/pinctrl/pinconf-generic.h> |
3311 |
+ |
3312 |
++#include "core.h" |
3313 |
+ #include "pinctrl-utils.h" |
3314 |
+ #include "pinctrl-amd.h" |
3315 |
+ |
3316 |
+@@ -725,6 +726,69 @@ static const struct pinconf_ops amd_pinconf_ops = { |
3317 |
+ .pin_config_group_set = amd_pinconf_group_set, |
3318 |
+ }; |
3319 |
+ |
3320 |
++#ifdef CONFIG_PM_SLEEP |
3321 |
++static bool amd_gpio_should_save(struct amd_gpio *gpio_dev, unsigned int pin) |
3322 |
++{ |
3323 |
++ const struct pin_desc *pd = pin_desc_get(gpio_dev->pctrl, pin); |
3324 |
++ |
3325 |
++ if (!pd) |
3326 |
++ return false; |
3327 |
++ |
3328 |
++ /* |
3329 |
++ * Only restore the pin if it is actually in use by the kernel (or |
3330 |
++ * by userspace). |
3331 |
++ */ |
3332 |
++ if (pd->mux_owner || pd->gpio_owner || |
3333 |
++ gpiochip_line_is_irq(&gpio_dev->gc, pin)) |
3334 |
++ return true; |
3335 |
++ |
3336 |
++ return false; |
3337 |
++} |
3338 |
++ |
3339 |
++int amd_gpio_suspend(struct device *dev) |
3340 |
++{ |
3341 |
++ struct platform_device *pdev = to_platform_device(dev); |
3342 |
++ struct amd_gpio *gpio_dev = platform_get_drvdata(pdev); |
3343 |
++ struct pinctrl_desc *desc = gpio_dev->pctrl->desc; |
3344 |
++ int i; |
3345 |
++ |
3346 |
++ for (i = 0; i < desc->npins; i++) { |
3347 |
++ int pin = desc->pins[i].number; |
3348 |
++ |
3349 |
++ if (!amd_gpio_should_save(gpio_dev, pin)) |
3350 |
++ continue; |
3351 |
++ |
3352 |
++ gpio_dev->saved_regs[i] = readl(gpio_dev->base + pin*4); |
3353 |
++ } |
3354 |
++ |
3355 |
++ return 0; |
3356 |
++} |
3357 |
++ |
3358 |
++int amd_gpio_resume(struct device *dev) |
3359 |
++{ |
3360 |
++ struct platform_device *pdev = to_platform_device(dev); |
3361 |
++ struct amd_gpio *gpio_dev = platform_get_drvdata(pdev); |
3362 |
++ struct pinctrl_desc *desc = gpio_dev->pctrl->desc; |
3363 |
++ int i; |
3364 |
++ |
3365 |
++ for (i = 0; i < desc->npins; i++) { |
3366 |
++ int pin = desc->pins[i].number; |
3367 |
++ |
3368 |
++ if (!amd_gpio_should_save(gpio_dev, pin)) |
3369 |
++ continue; |
3370 |
++ |
3371 |
++ writel(gpio_dev->saved_regs[i], gpio_dev->base + pin*4); |
3372 |
++ } |
3373 |
++ |
3374 |
++ return 0; |
3375 |
++} |
3376 |
++ |
3377 |
++static const struct dev_pm_ops amd_gpio_pm_ops = { |
3378 |
++ SET_LATE_SYSTEM_SLEEP_PM_OPS(amd_gpio_suspend, |
3379 |
++ amd_gpio_resume) |
3380 |
++}; |
3381 |
++#endif |
3382 |
++ |
3383 |
+ static struct pinctrl_desc amd_pinctrl_desc = { |
3384 |
+ .pins = kerncz_pins, |
3385 |
+ .npins = ARRAY_SIZE(kerncz_pins), |
3386 |
+@@ -764,6 +828,14 @@ static int amd_gpio_probe(struct platform_device *pdev) |
3387 |
+ return -EINVAL; |
3388 |
+ } |
3389 |
+ |
3390 |
++#ifdef CONFIG_PM_SLEEP |
3391 |
++ gpio_dev->saved_regs = devm_kcalloc(&pdev->dev, amd_pinctrl_desc.npins, |
3392 |
++ sizeof(*gpio_dev->saved_regs), |
3393 |
++ GFP_KERNEL); |
3394 |
++ if (!gpio_dev->saved_regs) |
3395 |
++ return -ENOMEM; |
3396 |
++#endif |
3397 |
++ |
3398 |
+ gpio_dev->pdev = pdev; |
3399 |
+ gpio_dev->gc.direction_input = amd_gpio_direction_input; |
3400 |
+ gpio_dev->gc.direction_output = amd_gpio_direction_output; |
3401 |
+@@ -853,6 +925,9 @@ static struct platform_driver amd_gpio_driver = { |
3402 |
+ .driver = { |
3403 |
+ .name = "amd_gpio", |
3404 |
+ .acpi_match_table = ACPI_PTR(amd_gpio_acpi_match), |
3405 |
++#ifdef CONFIG_PM_SLEEP |
3406 |
++ .pm = &amd_gpio_pm_ops, |
3407 |
++#endif |
3408 |
+ }, |
3409 |
+ .probe = amd_gpio_probe, |
3410 |
+ .remove = amd_gpio_remove, |
3411 |
+diff --git a/drivers/pinctrl/pinctrl-amd.h b/drivers/pinctrl/pinctrl-amd.h |
3412 |
+index 5b1cb965c767..8fa453a59da5 100644 |
3413 |
+--- a/drivers/pinctrl/pinctrl-amd.h |
3414 |
++++ b/drivers/pinctrl/pinctrl-amd.h |
3415 |
+@@ -97,6 +97,7 @@ struct amd_gpio { |
3416 |
+ unsigned int hwbank_num; |
3417 |
+ struct resource *res; |
3418 |
+ struct platform_device *pdev; |
3419 |
++ u32 *saved_regs; |
3420 |
+ }; |
3421 |
+ |
3422 |
+ /* KERNCZ configuration*/ |
3423 |
+diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c |
3424 |
+index 731530a9ce38..9ab8faf528a6 100644 |
3425 |
+--- a/drivers/pinctrl/samsung/pinctrl-exynos.c |
3426 |
++++ b/drivers/pinctrl/samsung/pinctrl-exynos.c |
3427 |
+@@ -174,10 +174,10 @@ static int exynos_irq_request_resources(struct irq_data *irqd) |
3428 |
+ |
3429 |
+ spin_lock_irqsave(&bank->slock, flags); |
3430 |
+ |
3431 |
+- con = readl(bank->eint_base + reg_con); |
3432 |
++ con = readl(bank->pctl_base + reg_con); |
3433 |
+ con &= ~(mask << shift); |
3434 |
+ con |= EXYNOS_EINT_FUNC << shift; |
3435 |
+- writel(con, bank->eint_base + reg_con); |
3436 |
++ writel(con, bank->pctl_base + reg_con); |
3437 |
+ |
3438 |
+ spin_unlock_irqrestore(&bank->slock, flags); |
3439 |
+ |
3440 |
+@@ -202,10 +202,10 @@ static void exynos_irq_release_resources(struct irq_data *irqd) |
3441 |
+ |
3442 |
+ spin_lock_irqsave(&bank->slock, flags); |
3443 |
+ |
3444 |
+- con = readl(bank->eint_base + reg_con); |
3445 |
++ con = readl(bank->pctl_base + reg_con); |
3446 |
+ con &= ~(mask << shift); |
3447 |
+ con |= FUNC_INPUT << shift; |
3448 |
+- writel(con, bank->eint_base + reg_con); |
3449 |
++ writel(con, bank->pctl_base + reg_con); |
3450 |
+ |
3451 |
+ spin_unlock_irqrestore(&bank->slock, flags); |
3452 |
+ |
3453 |
+diff --git a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c |
3454 |
+index 49774851e84a..edf27264b603 100644 |
3455 |
+--- a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c |
3456 |
++++ b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c |
3457 |
+@@ -151,7 +151,7 @@ static void s3c24xx_eint_set_function(struct samsung_pinctrl_drv_data *d, |
3458 |
+ u32 val; |
3459 |
+ |
3460 |
+ /* Make sure that pin is configured as interrupt */ |
3461 |
+- reg = bank->pctl_base + bank->pctl_offset; |
3462 |
++ reg = d->virt_base + bank->pctl_offset; |
3463 |
+ shift = pin * bank_type->fld_width[PINCFG_TYPE_FUNC]; |
3464 |
+ mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1; |
3465 |
+ |
3466 |
+@@ -184,7 +184,7 @@ static int s3c24xx_eint_type(struct irq_data *data, unsigned int type) |
3467 |
+ s3c24xx_eint_set_handler(data, type); |
3468 |
+ |
3469 |
+ /* Set up interrupt trigger */ |
3470 |
+- reg = bank->eint_base + EINT_REG(index); |
3471 |
++ reg = d->virt_base + EINT_REG(index); |
3472 |
+ shift = EINT_OFFS(index); |
3473 |
+ |
3474 |
+ val = readl(reg); |
3475 |
+@@ -259,29 +259,32 @@ static void s3c2410_demux_eint0_3(struct irq_desc *desc) |
3476 |
+ static void s3c2412_eint0_3_ack(struct irq_data *data) |
3477 |
+ { |
3478 |
+ struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data); |
3479 |
++ struct samsung_pinctrl_drv_data *d = bank->drvdata; |
3480 |
+ |
3481 |
+ unsigned long bitval = 1UL << data->hwirq; |
3482 |
+- writel(bitval, bank->eint_base + EINTPEND_REG); |
3483 |
++ writel(bitval, d->virt_base + EINTPEND_REG); |
3484 |
+ } |
3485 |
+ |
3486 |
+ static void s3c2412_eint0_3_mask(struct irq_data *data) |
3487 |
+ { |
3488 |
+ struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data); |
3489 |
++ struct samsung_pinctrl_drv_data *d = bank->drvdata; |
3490 |
+ unsigned long mask; |
3491 |
+ |
3492 |
+- mask = readl(bank->eint_base + EINTMASK_REG); |
3493 |
++ mask = readl(d->virt_base + EINTMASK_REG); |
3494 |
+ mask |= (1UL << data->hwirq); |
3495 |
+- writel(mask, bank->eint_base + EINTMASK_REG); |
3496 |
++ writel(mask, d->virt_base + EINTMASK_REG); |
3497 |
+ } |
3498 |
+ |
3499 |
+ static void s3c2412_eint0_3_unmask(struct irq_data *data) |
3500 |
+ { |
3501 |
+ struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data); |
3502 |
++ struct samsung_pinctrl_drv_data *d = bank->drvdata; |
3503 |
+ unsigned long mask; |
3504 |
+ |
3505 |
+- mask = readl(bank->eint_base + EINTMASK_REG); |
3506 |
++ mask = readl(d->virt_base + EINTMASK_REG); |
3507 |
+ mask &= ~(1UL << data->hwirq); |
3508 |
+- writel(mask, bank->eint_base + EINTMASK_REG); |
3509 |
++ writel(mask, d->virt_base + EINTMASK_REG); |
3510 |
+ } |
3511 |
+ |
3512 |
+ static struct irq_chip s3c2412_eint0_3_chip = { |
3513 |
+@@ -316,31 +319,34 @@ static void s3c2412_demux_eint0_3(struct irq_desc *desc) |
3514 |
+ static void s3c24xx_eint_ack(struct irq_data *data) |
3515 |
+ { |
3516 |
+ struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data); |
3517 |
++ struct samsung_pinctrl_drv_data *d = bank->drvdata; |
3518 |
+ unsigned char index = bank->eint_offset + data->hwirq; |
3519 |
+ |
3520 |
+- writel(1UL << index, bank->eint_base + EINTPEND_REG); |
3521 |
++ writel(1UL << index, d->virt_base + EINTPEND_REG); |
3522 |
+ } |
3523 |
+ |
3524 |
+ static void s3c24xx_eint_mask(struct irq_data *data) |
3525 |
+ { |
3526 |
+ struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data); |
3527 |
++ struct samsung_pinctrl_drv_data *d = bank->drvdata; |
3528 |
+ unsigned char index = bank->eint_offset + data->hwirq; |
3529 |
+ unsigned long mask; |
3530 |
+ |
3531 |
+- mask = readl(bank->eint_base + EINTMASK_REG); |
3532 |
++ mask = readl(d->virt_base + EINTMASK_REG); |
3533 |
+ mask |= (1UL << index); |
3534 |
+- writel(mask, bank->eint_base + EINTMASK_REG); |
3535 |
++ writel(mask, d->virt_base + EINTMASK_REG); |
3536 |
+ } |
3537 |
+ |
3538 |
+ static void s3c24xx_eint_unmask(struct irq_data *data) |
3539 |
+ { |
3540 |
+ struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data); |
3541 |
++ struct samsung_pinctrl_drv_data *d = bank->drvdata; |
3542 |
+ unsigned char index = bank->eint_offset + data->hwirq; |
3543 |
+ unsigned long mask; |
3544 |
+ |
3545 |
+- mask = readl(bank->eint_base + EINTMASK_REG); |
3546 |
++ mask = readl(d->virt_base + EINTMASK_REG); |
3547 |
+ mask &= ~(1UL << index); |
3548 |
+- writel(mask, bank->eint_base + EINTMASK_REG); |
3549 |
++ writel(mask, d->virt_base + EINTMASK_REG); |
3550 |
+ } |
3551 |
+ |
3552 |
+ static struct irq_chip s3c24xx_eint_chip = { |
3553 |
+@@ -356,14 +362,13 @@ static inline void s3c24xx_demux_eint(struct irq_desc *desc, |
3554 |
+ { |
3555 |
+ struct s3c24xx_eint_data *data = irq_desc_get_handler_data(desc); |
3556 |
+ struct irq_chip *chip = irq_desc_get_chip(desc); |
3557 |
+- struct irq_data *irqd = irq_desc_get_irq_data(desc); |
3558 |
+- struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd); |
3559 |
++ struct samsung_pinctrl_drv_data *d = data->drvdata; |
3560 |
+ unsigned int pend, mask; |
3561 |
+ |
3562 |
+ chained_irq_enter(chip, desc); |
3563 |
+ |
3564 |
+- pend = readl(bank->eint_base + EINTPEND_REG); |
3565 |
+- mask = readl(bank->eint_base + EINTMASK_REG); |
3566 |
++ pend = readl(d->virt_base + EINTPEND_REG); |
3567 |
++ mask = readl(d->virt_base + EINTMASK_REG); |
3568 |
+ |
3569 |
+ pend &= ~mask; |
3570 |
+ pend &= range; |
3571 |
+diff --git a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c |
3572 |
+index 4a88d7446e87..e63663b32907 100644 |
3573 |
+--- a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c |
3574 |
++++ b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c |
3575 |
+@@ -280,7 +280,7 @@ static void s3c64xx_irq_set_function(struct samsung_pinctrl_drv_data *d, |
3576 |
+ u32 val; |
3577 |
+ |
3578 |
+ /* Make sure that pin is configured as interrupt */ |
3579 |
+- reg = bank->pctl_base + bank->pctl_offset; |
3580 |
++ reg = d->virt_base + bank->pctl_offset; |
3581 |
+ shift = pin; |
3582 |
+ if (bank_type->fld_width[PINCFG_TYPE_FUNC] * shift >= 32) { |
3583 |
+ /* 4-bit bank type with 2 con regs */ |
3584 |
+@@ -308,8 +308,9 @@ static void s3c64xx_irq_set_function(struct samsung_pinctrl_drv_data *d, |
3585 |
+ static inline void s3c64xx_gpio_irq_set_mask(struct irq_data *irqd, bool mask) |
3586 |
+ { |
3587 |
+ struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd); |
3588 |
++ struct samsung_pinctrl_drv_data *d = bank->drvdata; |
3589 |
+ unsigned char index = EINT_OFFS(bank->eint_offset) + irqd->hwirq; |
3590 |
+- void __iomem *reg = bank->eint_base + EINTMASK_REG(bank->eint_offset); |
3591 |
++ void __iomem *reg = d->virt_base + EINTMASK_REG(bank->eint_offset); |
3592 |
+ u32 val; |
3593 |
+ |
3594 |
+ val = readl(reg); |
3595 |
+@@ -333,8 +334,9 @@ static void s3c64xx_gpio_irq_mask(struct irq_data *irqd) |
3596 |
+ static void s3c64xx_gpio_irq_ack(struct irq_data *irqd) |
3597 |
+ { |
3598 |
+ struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd); |
3599 |
++ struct samsung_pinctrl_drv_data *d = bank->drvdata; |
3600 |
+ unsigned char index = EINT_OFFS(bank->eint_offset) + irqd->hwirq; |
3601 |
+- void __iomem *reg = bank->eint_base + EINTPEND_REG(bank->eint_offset); |
3602 |
++ void __iomem *reg = d->virt_base + EINTPEND_REG(bank->eint_offset); |
3603 |
+ |
3604 |
+ writel(1 << index, reg); |
3605 |
+ } |
3606 |
+@@ -357,7 +359,7 @@ static int s3c64xx_gpio_irq_set_type(struct irq_data *irqd, unsigned int type) |
3607 |
+ s3c64xx_irq_set_handler(irqd, type); |
3608 |
+ |
3609 |
+ /* Set up interrupt trigger */ |
3610 |
+- reg = bank->eint_base + EINTCON_REG(bank->eint_offset); |
3611 |
++ reg = d->virt_base + EINTCON_REG(bank->eint_offset); |
3612 |
+ shift = EINT_OFFS(bank->eint_offset) + irqd->hwirq; |
3613 |
+ shift = 4 * (shift / 4); /* 4 EINTs per trigger selector */ |
3614 |
+ |
3615 |
+@@ -409,8 +411,7 @@ static void s3c64xx_eint_gpio_irq(struct irq_desc *desc) |
3616 |
+ { |
3617 |
+ struct irq_chip *chip = irq_desc_get_chip(desc); |
3618 |
+ struct s3c64xx_eint_gpio_data *data = irq_desc_get_handler_data(desc); |
3619 |
+- struct irq_data *irqd = irq_desc_get_irq_data(desc); |
3620 |
+- struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd); |
3621 |
++ struct samsung_pinctrl_drv_data *drvdata = data->drvdata; |
3622 |
+ |
3623 |
+ chained_irq_enter(chip, desc); |
3624 |
+ |
3625 |
+@@ -420,7 +421,7 @@ static void s3c64xx_eint_gpio_irq(struct irq_desc *desc) |
3626 |
+ unsigned int pin; |
3627 |
+ unsigned int virq; |
3628 |
+ |
3629 |
+- svc = readl(bank->eint_base + SERVICE_REG); |
3630 |
++ svc = readl(drvdata->virt_base + SERVICE_REG); |
3631 |
+ group = SVC_GROUP(svc); |
3632 |
+ pin = svc & SVC_NUM_MASK; |
3633 |
+ |
3634 |
+@@ -515,15 +516,15 @@ static inline void s3c64xx_eint0_irq_set_mask(struct irq_data *irqd, bool mask) |
3635 |
+ { |
3636 |
+ struct s3c64xx_eint0_domain_data *ddata = |
3637 |
+ irq_data_get_irq_chip_data(irqd); |
3638 |
+- struct samsung_pin_bank *bank = ddata->bank; |
3639 |
++ struct samsung_pinctrl_drv_data *d = ddata->bank->drvdata; |
3640 |
+ u32 val; |
3641 |
+ |
3642 |
+- val = readl(bank->eint_base + EINT0MASK_REG); |
3643 |
++ val = readl(d->virt_base + EINT0MASK_REG); |
3644 |
+ if (mask) |
3645 |
+ val |= 1 << ddata->eints[irqd->hwirq]; |
3646 |
+ else |
3647 |
+ val &= ~(1 << ddata->eints[irqd->hwirq]); |
3648 |
+- writel(val, bank->eint_base + EINT0MASK_REG); |
3649 |
++ writel(val, d->virt_base + EINT0MASK_REG); |
3650 |
+ } |
3651 |
+ |
3652 |
+ static void s3c64xx_eint0_irq_unmask(struct irq_data *irqd) |
3653 |
+@@ -540,10 +541,10 @@ static void s3c64xx_eint0_irq_ack(struct irq_data *irqd) |
3654 |
+ { |
3655 |
+ struct s3c64xx_eint0_domain_data *ddata = |
3656 |
+ irq_data_get_irq_chip_data(irqd); |
3657 |
+- struct samsung_pin_bank *bank = ddata->bank; |
3658 |
++ struct samsung_pinctrl_drv_data *d = ddata->bank->drvdata; |
3659 |
+ |
3660 |
+ writel(1 << ddata->eints[irqd->hwirq], |
3661 |
+- bank->eint_base + EINT0PEND_REG); |
3662 |
++ d->virt_base + EINT0PEND_REG); |
3663 |
+ } |
3664 |
+ |
3665 |
+ static int s3c64xx_eint0_irq_set_type(struct irq_data *irqd, unsigned int type) |
3666 |
+@@ -551,7 +552,7 @@ static int s3c64xx_eint0_irq_set_type(struct irq_data *irqd, unsigned int type) |
3667 |
+ struct s3c64xx_eint0_domain_data *ddata = |
3668 |
+ irq_data_get_irq_chip_data(irqd); |
3669 |
+ struct samsung_pin_bank *bank = ddata->bank; |
3670 |
+- struct samsung_pinctrl_drv_data *d = ddata->bank->drvdata; |
3671 |
++ struct samsung_pinctrl_drv_data *d = bank->drvdata; |
3672 |
+ void __iomem *reg; |
3673 |
+ int trigger; |
3674 |
+ u8 shift; |
3675 |
+@@ -566,7 +567,7 @@ static int s3c64xx_eint0_irq_set_type(struct irq_data *irqd, unsigned int type) |
3676 |
+ s3c64xx_irq_set_handler(irqd, type); |
3677 |
+ |
3678 |
+ /* Set up interrupt trigger */ |
3679 |
+- reg = bank->eint_base + EINT0CON0_REG; |
3680 |
++ reg = d->virt_base + EINT0CON0_REG; |
3681 |
+ shift = ddata->eints[irqd->hwirq]; |
3682 |
+ if (shift >= EINT_MAX_PER_REG) { |
3683 |
+ reg += 4; |
3684 |
+@@ -598,19 +599,14 @@ static struct irq_chip s3c64xx_eint0_irq_chip = { |
3685 |
+ static inline void s3c64xx_irq_demux_eint(struct irq_desc *desc, u32 range) |
3686 |
+ { |
3687 |
+ struct irq_chip *chip = irq_desc_get_chip(desc); |
3688 |
+- struct irq_data *irqd = irq_desc_get_irq_data(desc); |
3689 |
+- struct s3c64xx_eint0_domain_data *ddata = |
3690 |
+- irq_data_get_irq_chip_data(irqd); |
3691 |
+- struct samsung_pin_bank *bank = ddata->bank; |
3692 |
+- |
3693 |
+ struct s3c64xx_eint0_data *data = irq_desc_get_handler_data(desc); |
3694 |
+- |
3695 |
++ struct samsung_pinctrl_drv_data *drvdata = data->drvdata; |
3696 |
+ unsigned int pend, mask; |
3697 |
+ |
3698 |
+ chained_irq_enter(chip, desc); |
3699 |
+ |
3700 |
+- pend = readl(bank->eint_base + EINT0PEND_REG); |
3701 |
+- mask = readl(bank->eint_base + EINT0MASK_REG); |
3702 |
++ pend = readl(drvdata->virt_base + EINT0PEND_REG); |
3703 |
++ mask = readl(drvdata->virt_base + EINT0MASK_REG); |
3704 |
+ |
3705 |
+ pend = pend & range & ~mask; |
3706 |
+ pend &= range; |
3707 |
+diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c |
3708 |
+index f542642eed8d..61bbd54e35ba 100644 |
3709 |
+--- a/drivers/pinctrl/samsung/pinctrl-samsung.c |
3710 |
++++ b/drivers/pinctrl/samsung/pinctrl-samsung.c |
3711 |
+@@ -1013,6 +1013,12 @@ samsung_pinctrl_get_soc_data(struct samsung_pinctrl_drv_data *d, |
3712 |
+ bank->eint_base = virt_base[0]; |
3713 |
+ bank->pctl_base = virt_base[bdata->pctl_res_idx]; |
3714 |
+ } |
3715 |
++ /* |
3716 |
++ * Legacy platforms should provide only one resource with IO memory. |
3717 |
++ * Store it as virt_base because legacy driver needs to access it |
3718 |
++ * through samsung_pinctrl_drv_data. |
3719 |
++ */ |
3720 |
++ d->virt_base = virt_base[0]; |
3721 |
+ |
3722 |
+ for_each_child_of_node(node, np) { |
3723 |
+ if (!of_find_property(np, "gpio-controller", NULL)) |
3724 |
+diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.h b/drivers/pinctrl/samsung/pinctrl-samsung.h |
3725 |
+index 515a61035e54..61c4cab0ad24 100644 |
3726 |
+--- a/drivers/pinctrl/samsung/pinctrl-samsung.h |
3727 |
++++ b/drivers/pinctrl/samsung/pinctrl-samsung.h |
3728 |
+@@ -247,6 +247,10 @@ struct samsung_pin_ctrl { |
3729 |
+ /** |
3730 |
+ * struct samsung_pinctrl_drv_data: wrapper for holding driver data together. |
3731 |
+ * @node: global list node |
3732 |
++ * @virt_base: register base address of the controller; this will be equal |
3733 |
++ * to each bank samsung_pin_bank->pctl_base and used on legacy |
3734 |
++ * platforms (like S3C24XX or S3C64XX) which has to access the base |
3735 |
++ * through samsung_pinctrl_drv_data, not samsung_pin_bank). |
3736 |
+ * @dev: device instance representing the controller. |
3737 |
+ * @irq: interrpt number used by the controller to notify gpio interrupts. |
3738 |
+ * @ctrl: pin controller instance managed by the driver. |
3739 |
+@@ -262,6 +266,7 @@ struct samsung_pin_ctrl { |
3740 |
+ */ |
3741 |
+ struct samsung_pinctrl_drv_data { |
3742 |
+ struct list_head node; |
3743 |
++ void __iomem *virt_base; |
3744 |
+ struct device *dev; |
3745 |
+ int irq; |
3746 |
+ |
3747 |
+diff --git a/drivers/regulator/cpcap-regulator.c b/drivers/regulator/cpcap-regulator.c |
3748 |
+index cc98aceed1c1..ce1cab320f6f 100644 |
3749 |
+--- a/drivers/regulator/cpcap-regulator.c |
3750 |
++++ b/drivers/regulator/cpcap-regulator.c |
3751 |
+@@ -77,6 +77,8 @@ |
3752 |
+ #define CPCAP_BIT_VAUDIO_MODE0 BIT(1) |
3753 |
+ #define CPCAP_BIT_V_AUDIO_EN BIT(0) |
3754 |
+ |
3755 |
++#define CPCAP_BIT_AUDIO_NORMAL_MODE 0x00 |
3756 |
++ |
3757 |
+ /* |
3758 |
+ * Off mode configuration bit. Used currently only by SW5 on omap4. There's |
3759 |
+ * the following comment in Motorola Linux kernel tree for it: |
3760 |
+@@ -217,7 +219,7 @@ static unsigned int cpcap_regulator_get_mode(struct regulator_dev *rdev) |
3761 |
+ |
3762 |
+ regmap_read(rdev->regmap, rdev->desc->enable_reg, &value); |
3763 |
+ |
3764 |
+- if (!(value & CPCAP_BIT_AUDIO_LOW_PWR)) |
3765 |
++ if (value & CPCAP_BIT_AUDIO_LOW_PWR) |
3766 |
+ return REGULATOR_MODE_STANDBY; |
3767 |
+ |
3768 |
+ return REGULATOR_MODE_NORMAL; |
3769 |
+@@ -230,10 +232,10 @@ static int cpcap_regulator_set_mode(struct regulator_dev *rdev, |
3770 |
+ |
3771 |
+ switch (mode) { |
3772 |
+ case REGULATOR_MODE_NORMAL: |
3773 |
+- value = CPCAP_BIT_AUDIO_LOW_PWR; |
3774 |
++ value = CPCAP_BIT_AUDIO_NORMAL_MODE; |
3775 |
+ break; |
3776 |
+ case REGULATOR_MODE_STANDBY: |
3777 |
+- value = 0; |
3778 |
++ value = CPCAP_BIT_AUDIO_LOW_PWR; |
3779 |
+ break; |
3780 |
+ default: |
3781 |
+ return -EINVAL; |
3782 |
+diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c |
3783 |
+index d5bf36ec8a75..34367d172961 100644 |
3784 |
+--- a/drivers/s390/scsi/zfcp_dbf.c |
3785 |
++++ b/drivers/s390/scsi/zfcp_dbf.c |
3786 |
+@@ -3,7 +3,7 @@ |
3787 |
+ * |
3788 |
+ * Debug traces for zfcp. |
3789 |
+ * |
3790 |
+- * Copyright IBM Corp. 2002, 2016 |
3791 |
++ * Copyright IBM Corp. 2002, 2017 |
3792 |
+ */ |
3793 |
+ |
3794 |
+ #define KMSG_COMPONENT "zfcp" |
3795 |
+@@ -447,6 +447,7 @@ static u16 zfcp_dbf_san_res_cap_len_if_gpn_ft(char *tag, |
3796 |
+ struct fc_ct_hdr *reqh = sg_virt(ct_els->req); |
3797 |
+ struct fc_ns_gid_ft *reqn = (struct fc_ns_gid_ft *)(reqh + 1); |
3798 |
+ struct scatterlist *resp_entry = ct_els->resp; |
3799 |
++ struct fc_ct_hdr *resph; |
3800 |
+ struct fc_gpn_ft_resp *acc; |
3801 |
+ int max_entries, x, last = 0; |
3802 |
+ |
3803 |
+@@ -473,6 +474,13 @@ static u16 zfcp_dbf_san_res_cap_len_if_gpn_ft(char *tag, |
3804 |
+ return len; /* not GPN_FT response so do not cap */ |
3805 |
+ |
3806 |
+ acc = sg_virt(resp_entry); |
3807 |
++ |
3808 |
++ /* cap all but accept CT responses to at least the CT header */ |
3809 |
++ resph = (struct fc_ct_hdr *)acc; |
3810 |
++ if ((ct_els->status) || |
3811 |
++ (resph->ct_cmd != cpu_to_be16(FC_FS_ACC))) |
3812 |
++ return max(FC_CT_HDR_LEN, ZFCP_DBF_SAN_MAX_PAYLOAD); |
3813 |
++ |
3814 |
+ max_entries = (reqh->ct_mr_size * 4 / sizeof(struct fc_gpn_ft_resp)) |
3815 |
+ + 1 /* zfcp_fc_scan_ports: bytes correct, entries off-by-one |
3816 |
+ * to account for header as 1st pseudo "entry" */; |
3817 |
+@@ -555,8 +563,8 @@ void zfcp_dbf_scsi(char *tag, int level, struct scsi_cmnd *sc, |
3818 |
+ rec->scsi_retries = sc->retries; |
3819 |
+ rec->scsi_allowed = sc->allowed; |
3820 |
+ rec->scsi_id = sc->device->id; |
3821 |
+- /* struct zfcp_dbf_scsi needs to be updated to handle 64bit LUNs */ |
3822 |
+ rec->scsi_lun = (u32)sc->device->lun; |
3823 |
++ rec->scsi_lun_64_hi = (u32)(sc->device->lun >> 32); |
3824 |
+ rec->host_scribble = (unsigned long)sc->host_scribble; |
3825 |
+ |
3826 |
+ memcpy(rec->scsi_opcode, sc->cmnd, |
3827 |
+@@ -564,19 +572,32 @@ void zfcp_dbf_scsi(char *tag, int level, struct scsi_cmnd *sc, |
3828 |
+ |
3829 |
+ if (fsf) { |
3830 |
+ rec->fsf_req_id = fsf->req_id; |
3831 |
++ rec->pl_len = FCP_RESP_WITH_EXT; |
3832 |
+ fcp_rsp = (struct fcp_resp_with_ext *) |
3833 |
+ &(fsf->qtcb->bottom.io.fcp_rsp); |
3834 |
++ /* mandatory parts of FCP_RSP IU in this SCSI record */ |
3835 |
+ memcpy(&rec->fcp_rsp, fcp_rsp, FCP_RESP_WITH_EXT); |
3836 |
+ if (fcp_rsp->resp.fr_flags & FCP_RSP_LEN_VAL) { |
3837 |
+ fcp_rsp_info = (struct fcp_resp_rsp_info *) &fcp_rsp[1]; |
3838 |
+ rec->fcp_rsp_info = fcp_rsp_info->rsp_code; |
3839 |
++ rec->pl_len += be32_to_cpu(fcp_rsp->ext.fr_rsp_len); |
3840 |
+ } |
3841 |
+ if (fcp_rsp->resp.fr_flags & FCP_SNS_LEN_VAL) { |
3842 |
+- rec->pl_len = min((u16)SCSI_SENSE_BUFFERSIZE, |
3843 |
+- (u16)ZFCP_DBF_PAY_MAX_REC); |
3844 |
+- zfcp_dbf_pl_write(dbf, sc->sense_buffer, rec->pl_len, |
3845 |
+- "fcp_sns", fsf->req_id); |
3846 |
++ rec->pl_len += be32_to_cpu(fcp_rsp->ext.fr_sns_len); |
3847 |
+ } |
3848 |
++ /* complete FCP_RSP IU in associated PAYload record |
3849 |
++ * but only if there are optional parts |
3850 |
++ */ |
3851 |
++ if (fcp_rsp->resp.fr_flags != 0) |
3852 |
++ zfcp_dbf_pl_write( |
3853 |
++ dbf, fcp_rsp, |
3854 |
++ /* at least one full PAY record |
3855 |
++ * but not beyond hardware response field |
3856 |
++ */ |
3857 |
++ min_t(u16, max_t(u16, rec->pl_len, |
3858 |
++ ZFCP_DBF_PAY_MAX_REC), |
3859 |
++ FSF_FCP_RSP_SIZE), |
3860 |
++ "fcp_riu", fsf->req_id); |
3861 |
+ } |
3862 |
+ |
3863 |
+ debug_event(dbf->scsi, level, rec, sizeof(*rec)); |
3864 |
+diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h |
3865 |
+index db186d44cfaf..b60667c145fd 100644 |
3866 |
+--- a/drivers/s390/scsi/zfcp_dbf.h |
3867 |
++++ b/drivers/s390/scsi/zfcp_dbf.h |
3868 |
+@@ -2,7 +2,7 @@ |
3869 |
+ * zfcp device driver |
3870 |
+ * debug feature declarations |
3871 |
+ * |
3872 |
+- * Copyright IBM Corp. 2008, 2016 |
3873 |
++ * Copyright IBM Corp. 2008, 2017 |
3874 |
+ */ |
3875 |
+ |
3876 |
+ #ifndef ZFCP_DBF_H |
3877 |
+@@ -204,7 +204,7 @@ enum zfcp_dbf_scsi_id { |
3878 |
+ * @id: unique number of recovery record type |
3879 |
+ * @tag: identifier string specifying the location of initiation |
3880 |
+ * @scsi_id: scsi device id |
3881 |
+- * @scsi_lun: scsi device logical unit number |
3882 |
++ * @scsi_lun: scsi device logical unit number, low part of 64 bit, old 32 bit |
3883 |
+ * @scsi_result: scsi result |
3884 |
+ * @scsi_retries: current retry number of scsi request |
3885 |
+ * @scsi_allowed: allowed retries |
3886 |
+@@ -214,6 +214,7 @@ enum zfcp_dbf_scsi_id { |
3887 |
+ * @host_scribble: LLD specific data attached to SCSI request |
3888 |
+ * @pl_len: length of paload stored as zfcp_dbf_pay |
3889 |
+ * @fsf_rsp: response for fsf request |
3890 |
++ * @scsi_lun_64_hi: scsi device logical unit number, high part of 64 bit |
3891 |
+ */ |
3892 |
+ struct zfcp_dbf_scsi { |
3893 |
+ u8 id; |
3894 |
+@@ -230,6 +231,7 @@ struct zfcp_dbf_scsi { |
3895 |
+ u64 host_scribble; |
3896 |
+ u16 pl_len; |
3897 |
+ struct fcp_resp_with_ext fcp_rsp; |
3898 |
++ u32 scsi_lun_64_hi; |
3899 |
+ } __packed; |
3900 |
+ |
3901 |
+ /** |
3902 |
+@@ -323,7 +325,11 @@ void zfcp_dbf_hba_fsf_response(struct zfcp_fsf_req *req) |
3903 |
+ { |
3904 |
+ struct fsf_qtcb *qtcb = req->qtcb; |
3905 |
+ |
3906 |
+- if ((qtcb->prefix.prot_status != FSF_PROT_GOOD) && |
3907 |
++ if (unlikely(req->status & (ZFCP_STATUS_FSFREQ_DISMISSED | |
3908 |
++ ZFCP_STATUS_FSFREQ_ERROR))) { |
3909 |
++ zfcp_dbf_hba_fsf_resp("fs_rerr", 3, req); |
3910 |
++ |
3911 |
++ } else if ((qtcb->prefix.prot_status != FSF_PROT_GOOD) && |
3912 |
+ (qtcb->prefix.prot_status != FSF_PROT_FSF_STATUS_PRESENTED)) { |
3913 |
+ zfcp_dbf_hba_fsf_resp("fs_perr", 1, req); |
3914 |
+ |
3915 |
+@@ -401,7 +407,8 @@ void zfcp_dbf_scsi_abort(char *tag, struct scsi_cmnd *scmd, |
3916 |
+ * @flag: indicates type of reset (Target Reset, Logical Unit Reset) |
3917 |
+ */ |
3918 |
+ static inline |
3919 |
+-void zfcp_dbf_scsi_devreset(char *tag, struct scsi_cmnd *scmnd, u8 flag) |
3920 |
++void zfcp_dbf_scsi_devreset(char *tag, struct scsi_cmnd *scmnd, u8 flag, |
3921 |
++ struct zfcp_fsf_req *fsf_req) |
3922 |
+ { |
3923 |
+ char tmp_tag[ZFCP_DBF_TAG_LEN]; |
3924 |
+ |
3925 |
+@@ -411,7 +418,7 @@ void zfcp_dbf_scsi_devreset(char *tag, struct scsi_cmnd *scmnd, u8 flag) |
3926 |
+ memcpy(tmp_tag, "lr_", 3); |
3927 |
+ |
3928 |
+ memcpy(&tmp_tag[3], tag, 4); |
3929 |
+- _zfcp_dbf_scsi(tmp_tag, 1, scmnd, NULL); |
3930 |
++ _zfcp_dbf_scsi(tmp_tag, 1, scmnd, fsf_req); |
3931 |
+ } |
3932 |
+ |
3933 |
+ /** |
3934 |
+diff --git a/drivers/s390/scsi/zfcp_fc.h b/drivers/s390/scsi/zfcp_fc.h |
3935 |
+index df2b541c8287..a2275825186f 100644 |
3936 |
+--- a/drivers/s390/scsi/zfcp_fc.h |
3937 |
++++ b/drivers/s390/scsi/zfcp_fc.h |
3938 |
+@@ -4,7 +4,7 @@ |
3939 |
+ * Fibre Channel related definitions and inline functions for the zfcp |
3940 |
+ * device driver |
3941 |
+ * |
3942 |
+- * Copyright IBM Corp. 2009 |
3943 |
++ * Copyright IBM Corp. 2009, 2017 |
3944 |
+ */ |
3945 |
+ |
3946 |
+ #ifndef ZFCP_FC_H |
3947 |
+@@ -279,6 +279,10 @@ void zfcp_fc_eval_fcp_rsp(struct fcp_resp_with_ext *fcp_rsp, |
3948 |
+ !(rsp_flags & FCP_SNS_LEN_VAL) && |
3949 |
+ fcp_rsp->resp.fr_status == SAM_STAT_GOOD) |
3950 |
+ set_host_byte(scsi, DID_ERROR); |
3951 |
++ } else if (unlikely(rsp_flags & FCP_RESID_OVER)) { |
3952 |
++ /* FCP_DL was not sufficient for SCSI data length */ |
3953 |
++ if (fcp_rsp->resp.fr_status == SAM_STAT_GOOD) |
3954 |
++ set_host_byte(scsi, DID_ERROR); |
3955 |
+ } |
3956 |
+ } |
3957 |
+ |
3958 |
+diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c |
3959 |
+index 27ff38f839fc..1964391db904 100644 |
3960 |
+--- a/drivers/s390/scsi/zfcp_fsf.c |
3961 |
++++ b/drivers/s390/scsi/zfcp_fsf.c |
3962 |
+@@ -928,8 +928,8 @@ static void zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *req) |
3963 |
+ |
3964 |
+ switch (header->fsf_status) { |
3965 |
+ case FSF_GOOD: |
3966 |
+- zfcp_dbf_san_res("fsscth2", req); |
3967 |
+ ct->status = 0; |
3968 |
++ zfcp_dbf_san_res("fsscth2", req); |
3969 |
+ break; |
3970 |
+ case FSF_SERVICE_CLASS_NOT_SUPPORTED: |
3971 |
+ zfcp_fsf_class_not_supp(req); |
3972 |
+@@ -1109,8 +1109,8 @@ static void zfcp_fsf_send_els_handler(struct zfcp_fsf_req *req) |
3973 |
+ |
3974 |
+ switch (header->fsf_status) { |
3975 |
+ case FSF_GOOD: |
3976 |
+- zfcp_dbf_san_res("fsselh1", req); |
3977 |
+ send_els->status = 0; |
3978 |
++ zfcp_dbf_san_res("fsselh1", req); |
3979 |
+ break; |
3980 |
+ case FSF_SERVICE_CLASS_NOT_SUPPORTED: |
3981 |
+ zfcp_fsf_class_not_supp(req); |
3982 |
+@@ -2258,7 +2258,8 @@ int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *scsi_cmnd) |
3983 |
+ fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd; |
3984 |
+ zfcp_fc_scsi_to_fcp(fcp_cmnd, scsi_cmnd, 0); |
3985 |
+ |
3986 |
+- if (scsi_prot_sg_count(scsi_cmnd)) { |
3987 |
++ if ((scsi_get_prot_op(scsi_cmnd) != SCSI_PROT_NORMAL) && |
3988 |
++ scsi_prot_sg_count(scsi_cmnd)) { |
3989 |
+ zfcp_qdio_set_data_div(qdio, &req->qdio_req, |
3990 |
+ scsi_prot_sg_count(scsi_cmnd)); |
3991 |
+ retval = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req, |
3992 |
+diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c |
3993 |
+index 0678cf714c0e..a1eeeaaa0fca 100644 |
3994 |
+--- a/drivers/s390/scsi/zfcp_scsi.c |
3995 |
++++ b/drivers/s390/scsi/zfcp_scsi.c |
3996 |
+@@ -3,7 +3,7 @@ |
3997 |
+ * |
3998 |
+ * Interface to Linux SCSI midlayer. |
3999 |
+ * |
4000 |
+- * Copyright IBM Corp. 2002, 2016 |
4001 |
++ * Copyright IBM Corp. 2002, 2017 |
4002 |
+ */ |
4003 |
+ |
4004 |
+ #define KMSG_COMPONENT "zfcp" |
4005 |
+@@ -273,25 +273,29 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags) |
4006 |
+ |
4007 |
+ zfcp_erp_wait(adapter); |
4008 |
+ ret = fc_block_scsi_eh(scpnt); |
4009 |
+- if (ret) |
4010 |
++ if (ret) { |
4011 |
++ zfcp_dbf_scsi_devreset("fiof", scpnt, tm_flags, NULL); |
4012 |
+ return ret; |
4013 |
++ } |
4014 |
+ |
4015 |
+ if (!(atomic_read(&adapter->status) & |
4016 |
+ ZFCP_STATUS_COMMON_RUNNING)) { |
4017 |
+- zfcp_dbf_scsi_devreset("nres", scpnt, tm_flags); |
4018 |
++ zfcp_dbf_scsi_devreset("nres", scpnt, tm_flags, NULL); |
4019 |
+ return SUCCESS; |
4020 |
+ } |
4021 |
+ } |
4022 |
+- if (!fsf_req) |
4023 |
++ if (!fsf_req) { |
4024 |
++ zfcp_dbf_scsi_devreset("reqf", scpnt, tm_flags, NULL); |
4025 |
+ return FAILED; |
4026 |
++ } |
4027 |
+ |
4028 |
+ wait_for_completion(&fsf_req->completion); |
4029 |
+ |
4030 |
+ if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCFAILED) { |
4031 |
+- zfcp_dbf_scsi_devreset("fail", scpnt, tm_flags); |
4032 |
++ zfcp_dbf_scsi_devreset("fail", scpnt, tm_flags, fsf_req); |
4033 |
+ retval = FAILED; |
4034 |
+ } else { |
4035 |
+- zfcp_dbf_scsi_devreset("okay", scpnt, tm_flags); |
4036 |
++ zfcp_dbf_scsi_devreset("okay", scpnt, tm_flags, fsf_req); |
4037 |
+ zfcp_scsi_forget_cmnds(zfcp_sdev, tm_flags); |
4038 |
+ } |
4039 |
+ |
4040 |
+diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c |
4041 |
+index a1a2c71e1626..b051d97af468 100644 |
4042 |
+--- a/drivers/scsi/aacraid/aachba.c |
4043 |
++++ b/drivers/scsi/aacraid/aachba.c |
4044 |
+@@ -594,6 +594,7 @@ static int aac_get_container_name(struct scsi_cmnd * scsicmd) |
4045 |
+ |
4046 |
+ aac_fib_init(cmd_fibcontext); |
4047 |
+ dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext); |
4048 |
++ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4049 |
+ |
4050 |
+ dinfo->command = cpu_to_le32(VM_ContainerConfig); |
4051 |
+ dinfo->type = cpu_to_le32(CT_READ_NAME); |
4052 |
+@@ -611,10 +612,8 @@ static int aac_get_container_name(struct scsi_cmnd * scsicmd) |
4053 |
+ /* |
4054 |
+ * Check that the command queued to the controller |
4055 |
+ */ |
4056 |
+- if (status == -EINPROGRESS) { |
4057 |
+- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4058 |
++ if (status == -EINPROGRESS) |
4059 |
+ return 0; |
4060 |
+- } |
4061 |
+ |
4062 |
+ printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status); |
4063 |
+ aac_fib_complete(cmd_fibcontext); |
4064 |
+@@ -725,6 +724,7 @@ static void _aac_probe_container1(void * context, struct fib * fibptr) |
4065 |
+ |
4066 |
+ dinfo->count = cpu_to_le32(scmd_id(scsicmd)); |
4067 |
+ dinfo->type = cpu_to_le32(FT_FILESYS); |
4068 |
++ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4069 |
+ |
4070 |
+ status = aac_fib_send(ContainerCommand, |
4071 |
+ fibptr, |
4072 |
+@@ -736,9 +736,7 @@ static void _aac_probe_container1(void * context, struct fib * fibptr) |
4073 |
+ /* |
4074 |
+ * Check that the command queued to the controller |
4075 |
+ */ |
4076 |
+- if (status == -EINPROGRESS) |
4077 |
+- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4078 |
+- else if (status < 0) { |
4079 |
++ if (status < 0 && status != -EINPROGRESS) { |
4080 |
+ /* Inherit results from VM_NameServe, if any */ |
4081 |
+ dresp->status = cpu_to_le32(ST_OK); |
4082 |
+ _aac_probe_container2(context, fibptr); |
4083 |
+@@ -766,6 +764,7 @@ static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(stru |
4084 |
+ dinfo->count = cpu_to_le32(scmd_id(scsicmd)); |
4085 |
+ dinfo->type = cpu_to_le32(FT_FILESYS); |
4086 |
+ scsicmd->SCp.ptr = (char *)callback; |
4087 |
++ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4088 |
+ |
4089 |
+ status = aac_fib_send(ContainerCommand, |
4090 |
+ fibptr, |
4091 |
+@@ -777,10 +776,9 @@ static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(stru |
4092 |
+ /* |
4093 |
+ * Check that the command queued to the controller |
4094 |
+ */ |
4095 |
+- if (status == -EINPROGRESS) { |
4096 |
+- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4097 |
++ if (status == -EINPROGRESS) |
4098 |
+ return 0; |
4099 |
+- } |
4100 |
++ |
4101 |
+ if (status < 0) { |
4102 |
+ scsicmd->SCp.ptr = NULL; |
4103 |
+ aac_fib_complete(fibptr); |
4104 |
+@@ -1126,6 +1124,7 @@ static int aac_get_container_serial(struct scsi_cmnd * scsicmd) |
4105 |
+ dinfo->command = cpu_to_le32(VM_ContainerConfig); |
4106 |
+ dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID); |
4107 |
+ dinfo->cid = cpu_to_le32(scmd_id(scsicmd)); |
4108 |
++ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4109 |
+ |
4110 |
+ status = aac_fib_send(ContainerCommand, |
4111 |
+ cmd_fibcontext, |
4112 |
+@@ -1138,10 +1137,8 @@ static int aac_get_container_serial(struct scsi_cmnd * scsicmd) |
4113 |
+ /* |
4114 |
+ * Check that the command queued to the controller |
4115 |
+ */ |
4116 |
+- if (status == -EINPROGRESS) { |
4117 |
+- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4118 |
++ if (status == -EINPROGRESS) |
4119 |
+ return 0; |
4120 |
+- } |
4121 |
+ |
4122 |
+ printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status); |
4123 |
+ aac_fib_complete(cmd_fibcontext); |
4124 |
+@@ -2335,16 +2332,14 @@ static int aac_read(struct scsi_cmnd * scsicmd) |
4125 |
+ * Alocate and initialize a Fib |
4126 |
+ */ |
4127 |
+ cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd); |
4128 |
+- |
4129 |
++ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4130 |
+ status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count); |
4131 |
+ |
4132 |
+ /* |
4133 |
+ * Check that the command queued to the controller |
4134 |
+ */ |
4135 |
+- if (status == -EINPROGRESS) { |
4136 |
+- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4137 |
++ if (status == -EINPROGRESS) |
4138 |
+ return 0; |
4139 |
+- } |
4140 |
+ |
4141 |
+ printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status); |
4142 |
+ /* |
4143 |
+@@ -2429,16 +2424,14 @@ static int aac_write(struct scsi_cmnd * scsicmd) |
4144 |
+ * Allocate and initialize a Fib then setup a BlockWrite command |
4145 |
+ */ |
4146 |
+ cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd); |
4147 |
+- |
4148 |
++ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4149 |
+ status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua); |
4150 |
+ |
4151 |
+ /* |
4152 |
+ * Check that the command queued to the controller |
4153 |
+ */ |
4154 |
+- if (status == -EINPROGRESS) { |
4155 |
+- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4156 |
++ if (status == -EINPROGRESS) |
4157 |
+ return 0; |
4158 |
+- } |
4159 |
+ |
4160 |
+ printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status); |
4161 |
+ /* |
4162 |
+@@ -2588,6 +2581,7 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd) |
4163 |
+ synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd)); |
4164 |
+ synchronizecmd->count = |
4165 |
+ cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data)); |
4166 |
++ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4167 |
+ |
4168 |
+ /* |
4169 |
+ * Now send the Fib to the adapter |
4170 |
+@@ -2603,10 +2597,8 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd) |
4171 |
+ /* |
4172 |
+ * Check that the command queued to the controller |
4173 |
+ */ |
4174 |
+- if (status == -EINPROGRESS) { |
4175 |
+- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4176 |
++ if (status == -EINPROGRESS) |
4177 |
+ return 0; |
4178 |
+- } |
4179 |
+ |
4180 |
+ printk(KERN_WARNING |
4181 |
+ "aac_synchronize: aac_fib_send failed with status: %d.\n", status); |
4182 |
+@@ -2666,6 +2658,7 @@ static int aac_start_stop(struct scsi_cmnd *scsicmd) |
4183 |
+ pmcmd->cid = cpu_to_le32(sdev_id(sdev)); |
4184 |
+ pmcmd->parm = (scsicmd->cmnd[1] & 1) ? |
4185 |
+ cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0; |
4186 |
++ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4187 |
+ |
4188 |
+ /* |
4189 |
+ * Now send the Fib to the adapter |
4190 |
+@@ -2681,10 +2674,8 @@ static int aac_start_stop(struct scsi_cmnd *scsicmd) |
4191 |
+ /* |
4192 |
+ * Check that the command queued to the controller |
4193 |
+ */ |
4194 |
+- if (status == -EINPROGRESS) { |
4195 |
+- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4196 |
++ if (status == -EINPROGRESS) |
4197 |
+ return 0; |
4198 |
+- } |
4199 |
+ |
4200 |
+ aac_fib_complete(cmd_fibcontext); |
4201 |
+ aac_fib_free(cmd_fibcontext); |
4202 |
+@@ -3692,16 +3683,14 @@ static int aac_send_srb_fib(struct scsi_cmnd* scsicmd) |
4203 |
+ * Allocate and initialize a Fib then setup a BlockWrite command |
4204 |
+ */ |
4205 |
+ cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd); |
4206 |
+- |
4207 |
++ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4208 |
+ status = aac_adapter_scsi(cmd_fibcontext, scsicmd); |
4209 |
+ |
4210 |
+ /* |
4211 |
+ * Check that the command queued to the controller |
4212 |
+ */ |
4213 |
+- if (status == -EINPROGRESS) { |
4214 |
+- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4215 |
++ if (status == -EINPROGRESS) |
4216 |
+ return 0; |
4217 |
+- } |
4218 |
+ |
4219 |
+ printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status); |
4220 |
+ aac_fib_complete(cmd_fibcontext); |
4221 |
+@@ -3739,15 +3728,14 @@ static int aac_send_hba_fib(struct scsi_cmnd *scsicmd) |
4222 |
+ if (!cmd_fibcontext) |
4223 |
+ return -1; |
4224 |
+ |
4225 |
++ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4226 |
+ status = aac_adapter_hba(cmd_fibcontext, scsicmd); |
4227 |
+ |
4228 |
+ /* |
4229 |
+ * Check that the command queued to the controller |
4230 |
+ */ |
4231 |
+- if (status == -EINPROGRESS) { |
4232 |
+- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
4233 |
++ if (status == -EINPROGRESS) |
4234 |
+ return 0; |
4235 |
+- } |
4236 |
+ |
4237 |
+ pr_warn("aac_hba_cmd_req: aac_fib_send failed with status: %d\n", |
4238 |
+ status); |
4239 |
+diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c |
4240 |
+index 71c4746341ea..3ee4ea79f81a 100644 |
4241 |
+--- a/drivers/scsi/megaraid/megaraid_sas_base.c |
4242 |
++++ b/drivers/scsi/megaraid/megaraid_sas_base.c |
4243 |
+@@ -1995,9 +1995,12 @@ static void megasas_complete_outstanding_ioctls(struct megasas_instance *instanc |
4244 |
+ if (cmd_fusion->sync_cmd_idx != (u32)ULONG_MAX) { |
4245 |
+ cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx]; |
4246 |
+ if (cmd_mfi->sync_cmd && |
4247 |
+- cmd_mfi->frame->hdr.cmd != MFI_CMD_ABORT) |
4248 |
++ (cmd_mfi->frame->hdr.cmd != MFI_CMD_ABORT)) { |
4249 |
++ cmd_mfi->frame->hdr.cmd_status = |
4250 |
++ MFI_STAT_WRONG_STATE; |
4251 |
+ megasas_complete_cmd(instance, |
4252 |
+ cmd_mfi, DID_OK); |
4253 |
++ } |
4254 |
+ } |
4255 |
+ } |
4256 |
+ } else { |
4257 |
+@@ -5478,7 +5481,8 @@ static int megasas_init_fw(struct megasas_instance *instance) |
4258 |
+ instance->throttlequeuedepth = |
4259 |
+ MEGASAS_THROTTLE_QUEUE_DEPTH; |
4260 |
+ |
4261 |
+- if (resetwaittime > MEGASAS_RESET_WAIT_TIME) |
4262 |
++ if ((resetwaittime < 1) || |
4263 |
++ (resetwaittime > MEGASAS_RESET_WAIT_TIME)) |
4264 |
+ resetwaittime = MEGASAS_RESET_WAIT_TIME; |
4265 |
+ |
4266 |
+ if ((scmd_timeout < 10) || (scmd_timeout > MEGASAS_DEFAULT_CMD_TIMEOUT)) |
4267 |
+@@ -5649,6 +5653,14 @@ megasas_register_aen(struct megasas_instance *instance, u32 seq_num, |
4268 |
+ prev_aen.word = |
4269 |
+ le32_to_cpu(instance->aen_cmd->frame->dcmd.mbox.w[1]); |
4270 |
+ |
4271 |
++ if ((curr_aen.members.class < MFI_EVT_CLASS_DEBUG) || |
4272 |
++ (curr_aen.members.class > MFI_EVT_CLASS_DEAD)) { |
4273 |
++ dev_info(&instance->pdev->dev, |
4274 |
++ "%s %d out of range class %d send by application\n", |
4275 |
++ __func__, __LINE__, curr_aen.members.class); |
4276 |
++ return 0; |
4277 |
++ } |
4278 |
++ |
4279 |
+ /* |
4280 |
+ * A class whose enum value is smaller is inclusive of all |
4281 |
+ * higher values. If a PROGRESS (= -1) was previously |
4282 |
+diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c |
4283 |
+index 985510628f56..8152962f152d 100644 |
4284 |
+--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c |
4285 |
++++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c |
4286 |
+@@ -3287,7 +3287,7 @@ build_mpt_mfi_pass_thru(struct megasas_instance *instance, |
4287 |
+ mpi25_ieee_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT | |
4288 |
+ MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR; |
4289 |
+ |
4290 |
+- mpi25_ieee_chain->Length = cpu_to_le32(instance->max_chain_frame_sz); |
4291 |
++ mpi25_ieee_chain->Length = cpu_to_le32(instance->mfi_frame_size); |
4292 |
+ } |
4293 |
+ |
4294 |
+ /** |
4295 |
+diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c |
4296 |
+index 2c3783684815..85e7bae4a7ef 100644 |
4297 |
+--- a/drivers/scsi/qedi/qedi_main.c |
4298 |
++++ b/drivers/scsi/qedi/qedi_main.c |
4299 |
+@@ -1575,7 +1575,7 @@ struct qedi_cmd *qedi_get_cmd_from_tid(struct qedi_ctx *qedi, u32 tid) |
4300 |
+ { |
4301 |
+ struct qedi_cmd *cmd = NULL; |
4302 |
+ |
4303 |
+- if (tid > MAX_ISCSI_TASK_ENTRIES) |
4304 |
++ if (tid >= MAX_ISCSI_TASK_ENTRIES) |
4305 |
+ return NULL; |
4306 |
+ |
4307 |
+ cmd = qedi->itt_map[tid].p_cmd; |
4308 |
+diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c |
4309 |
+index 08a1feb3a195..8c6ff1682fb1 100644 |
4310 |
+--- a/drivers/scsi/qla2xxx/qla_attr.c |
4311 |
++++ b/drivers/scsi/qla2xxx/qla_attr.c |
4312 |
+@@ -318,6 +318,8 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj, |
4313 |
+ return -EINVAL; |
4314 |
+ if (start > ha->optrom_size) |
4315 |
+ return -EINVAL; |
4316 |
++ if (size > ha->optrom_size - start) |
4317 |
++ size = ha->optrom_size - start; |
4318 |
+ |
4319 |
+ mutex_lock(&ha->optrom_mutex); |
4320 |
+ switch (val) { |
4321 |
+@@ -343,8 +345,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj, |
4322 |
+ } |
4323 |
+ |
4324 |
+ ha->optrom_region_start = start; |
4325 |
+- ha->optrom_region_size = start + size > ha->optrom_size ? |
4326 |
+- ha->optrom_size - start : size; |
4327 |
++ ha->optrom_region_size = start + size; |
4328 |
+ |
4329 |
+ ha->optrom_state = QLA_SREADING; |
4330 |
+ ha->optrom_buffer = vmalloc(ha->optrom_region_size); |
4331 |
+@@ -417,8 +418,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj, |
4332 |
+ } |
4333 |
+ |
4334 |
+ ha->optrom_region_start = start; |
4335 |
+- ha->optrom_region_size = start + size > ha->optrom_size ? |
4336 |
+- ha->optrom_size - start : size; |
4337 |
++ ha->optrom_region_size = start + size; |
4338 |
+ |
4339 |
+ ha->optrom_state = QLA_SWRITING; |
4340 |
+ ha->optrom_buffer = vmalloc(ha->optrom_region_size); |
4341 |
+diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c |
4342 |
+index b323a7c71eda..0ec250993e93 100644 |
4343 |
+--- a/drivers/scsi/qla2xxx/qla_gs.c |
4344 |
++++ b/drivers/scsi/qla2xxx/qla_gs.c |
4345 |
+@@ -3080,7 +3080,7 @@ int qla24xx_async_gpsc(scsi_qla_host_t *vha, fc_port_t *fcport) |
4346 |
+ GPSC_RSP_SIZE); |
4347 |
+ |
4348 |
+ /* GPSC req */ |
4349 |
+- memcpy(ct_req->req.gpsc.port_name, fcport->port_name, |
4350 |
++ memcpy(ct_req->req.gpsc.port_name, fcport->fabric_port_name, |
4351 |
+ WWN_SIZE); |
4352 |
+ |
4353 |
+ sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns; |
4354 |
+diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c |
4355 |
+index 072ad1aa5505..8f83571afc7b 100644 |
4356 |
+--- a/drivers/scsi/qla2xxx/qla_init.c |
4357 |
++++ b/drivers/scsi/qla2xxx/qla_init.c |
4358 |
+@@ -7804,6 +7804,7 @@ struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos, |
4359 |
+ ha->queue_pair_map[qpair_id] = qpair; |
4360 |
+ qpair->id = qpair_id; |
4361 |
+ qpair->vp_idx = vp_idx; |
4362 |
++ qpair->fw_started = ha->flags.fw_started; |
4363 |
+ INIT_LIST_HEAD(&qpair->hints_list); |
4364 |
+ qpair->chip_reset = ha->base_qpair->chip_reset; |
4365 |
+ qpair->enable_class_2 = ha->base_qpair->enable_class_2; |
4366 |
+diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c |
4367 |
+index 7b3b702ef622..ec2c398f5663 100644 |
4368 |
+--- a/drivers/scsi/qla2xxx/qla_isr.c |
4369 |
++++ b/drivers/scsi/qla2xxx/qla_isr.c |
4370 |
+@@ -3429,7 +3429,7 @@ qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) |
4371 |
+ } |
4372 |
+ |
4373 |
+ /* Enable MSI-X vector for response queue update for queue 0 */ |
4374 |
+- if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) { |
4375 |
++ if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { |
4376 |
+ if (ha->msixbase && ha->mqiobase && |
4377 |
+ (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || |
4378 |
+ ql2xmqsupport)) |
4379 |
+diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c |
4380 |
+index 7c6d1a404011..1f1a81c6eaa9 100644 |
4381 |
+--- a/drivers/scsi/qla2xxx/qla_mbx.c |
4382 |
++++ b/drivers/scsi/qla2xxx/qla_mbx.c |
4383 |
+@@ -54,6 +54,7 @@ static struct rom_cmd { |
4384 |
+ { MBC_GET_MEM_OFFLOAD_CNTRL_STAT }, |
4385 |
+ { MBC_GET_RETRY_COUNT }, |
4386 |
+ { MBC_TRACE_CONTROL }, |
4387 |
++ { MBC_INITIALIZE_MULTIQ }, |
4388 |
+ }; |
4389 |
+ |
4390 |
+ static int is_rom_cmd(uint16_t cmd) |
4391 |
+@@ -3689,7 +3690,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, |
4392 |
+ if (qla_ini_mode_enabled(vha) && |
4393 |
+ ha->flags.fawwpn_enabled && |
4394 |
+ (rptid_entry->u.f1.flags & |
4395 |
+- VP_FLAGS_NAME_VALID)) { |
4396 |
++ BIT_6)) { |
4397 |
+ memcpy(vha->port_name, |
4398 |
+ rptid_entry->u.f1.port_name, |
4399 |
+ WWN_SIZE); |
4400 |
+diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c |
4401 |
+index f0605cd196fb..3089094b48fa 100644 |
4402 |
+--- a/drivers/scsi/qla2xxx/qla_mid.c |
4403 |
++++ b/drivers/scsi/qla2xxx/qla_mid.c |
4404 |
+@@ -74,7 +74,7 @@ qla24xx_deallocate_vp_id(scsi_qla_host_t *vha) |
4405 |
+ * ensures no active vp_list traversal while the vport is removed |
4406 |
+ * from the queue) |
4407 |
+ */ |
4408 |
+- wait_event_timeout(vha->vref_waitq, atomic_read(&vha->vref_count), |
4409 |
++ wait_event_timeout(vha->vref_waitq, !atomic_read(&vha->vref_count), |
4410 |
+ 10*HZ); |
4411 |
+ |
4412 |
+ spin_lock_irqsave(&ha->vport_slock, flags); |
4413 |
+diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c |
4414 |
+index e101cd3043b9..4e2a64773060 100644 |
4415 |
+--- a/drivers/scsi/qla2xxx/qla_target.c |
4416 |
++++ b/drivers/scsi/qla2xxx/qla_target.c |
4417 |
+@@ -6796,7 +6796,7 @@ qlt_probe_one_stage1(struct scsi_qla_host *base_vha, struct qla_hw_data *ha) |
4418 |
+ if (!QLA_TGT_MODE_ENABLED()) |
4419 |
+ return; |
4420 |
+ |
4421 |
+- if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) { |
4422 |
++ if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { |
4423 |
+ ISP_ATIO_Q_IN(base_vha) = &ha->mqiobase->isp25mq.atio_q_in; |
4424 |
+ ISP_ATIO_Q_OUT(base_vha) = &ha->mqiobase->isp25mq.atio_q_out; |
4425 |
+ } else { |
4426 |
+diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c |
4427 |
+index aad6ebb51735..1a9de8419997 100644 |
4428 |
+--- a/drivers/scsi/sg.c |
4429 |
++++ b/drivers/scsi/sg.c |
4430 |
+@@ -828,6 +828,39 @@ static int max_sectors_bytes(struct request_queue *q) |
4431 |
+ return max_sectors << 9; |
4432 |
+ } |
4433 |
+ |
4434 |
++static void |
4435 |
++sg_fill_request_table(Sg_fd *sfp, sg_req_info_t *rinfo) |
4436 |
++{ |
4437 |
++ Sg_request *srp; |
4438 |
++ int val; |
4439 |
++ unsigned int ms; |
4440 |
++ |
4441 |
++ val = 0; |
4442 |
++ list_for_each_entry(srp, &sfp->rq_list, entry) { |
4443 |
++ if (val > SG_MAX_QUEUE) |
4444 |
++ break; |
4445 |
++ rinfo[val].req_state = srp->done + 1; |
4446 |
++ rinfo[val].problem = |
4447 |
++ srp->header.masked_status & |
4448 |
++ srp->header.host_status & |
4449 |
++ srp->header.driver_status; |
4450 |
++ if (srp->done) |
4451 |
++ rinfo[val].duration = |
4452 |
++ srp->header.duration; |
4453 |
++ else { |
4454 |
++ ms = jiffies_to_msecs(jiffies); |
4455 |
++ rinfo[val].duration = |
4456 |
++ (ms > srp->header.duration) ? |
4457 |
++ (ms - srp->header.duration) : 0; |
4458 |
++ } |
4459 |
++ rinfo[val].orphan = srp->orphan; |
4460 |
++ rinfo[val].sg_io_owned = srp->sg_io_owned; |
4461 |
++ rinfo[val].pack_id = srp->header.pack_id; |
4462 |
++ rinfo[val].usr_ptr = srp->header.usr_ptr; |
4463 |
++ val++; |
4464 |
++ } |
4465 |
++} |
4466 |
++ |
4467 |
+ static long |
4468 |
+ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg) |
4469 |
+ { |
4470 |
+@@ -1012,38 +1045,13 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg) |
4471 |
+ return -EFAULT; |
4472 |
+ else { |
4473 |
+ sg_req_info_t *rinfo; |
4474 |
+- unsigned int ms; |
4475 |
+ |
4476 |
+- rinfo = kmalloc(SZ_SG_REQ_INFO * SG_MAX_QUEUE, |
4477 |
+- GFP_KERNEL); |
4478 |
++ rinfo = kzalloc(SZ_SG_REQ_INFO * SG_MAX_QUEUE, |
4479 |
++ GFP_KERNEL); |
4480 |
+ if (!rinfo) |
4481 |
+ return -ENOMEM; |
4482 |
+ read_lock_irqsave(&sfp->rq_list_lock, iflags); |
4483 |
+- val = 0; |
4484 |
+- list_for_each_entry(srp, &sfp->rq_list, entry) { |
4485 |
+- if (val >= SG_MAX_QUEUE) |
4486 |
+- break; |
4487 |
+- memset(&rinfo[val], 0, SZ_SG_REQ_INFO); |
4488 |
+- rinfo[val].req_state = srp->done + 1; |
4489 |
+- rinfo[val].problem = |
4490 |
+- srp->header.masked_status & |
4491 |
+- srp->header.host_status & |
4492 |
+- srp->header.driver_status; |
4493 |
+- if (srp->done) |
4494 |
+- rinfo[val].duration = |
4495 |
+- srp->header.duration; |
4496 |
+- else { |
4497 |
+- ms = jiffies_to_msecs(jiffies); |
4498 |
+- rinfo[val].duration = |
4499 |
+- (ms > srp->header.duration) ? |
4500 |
+- (ms - srp->header.duration) : 0; |
4501 |
+- } |
4502 |
+- rinfo[val].orphan = srp->orphan; |
4503 |
+- rinfo[val].sg_io_owned = srp->sg_io_owned; |
4504 |
+- rinfo[val].pack_id = srp->header.pack_id; |
4505 |
+- rinfo[val].usr_ptr = srp->header.usr_ptr; |
4506 |
+- val++; |
4507 |
+- } |
4508 |
++ sg_fill_request_table(sfp, rinfo); |
4509 |
+ read_unlock_irqrestore(&sfp->rq_list_lock, iflags); |
4510 |
+ result = __copy_to_user(p, rinfo, |
4511 |
+ SZ_SG_REQ_INFO * SG_MAX_QUEUE); |
4512 |
+diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c |
4513 |
+index 3cc8d67783a1..5e7200f05873 100644 |
4514 |
+--- a/drivers/scsi/storvsc_drv.c |
4515 |
++++ b/drivers/scsi/storvsc_drv.c |
4516 |
+@@ -1640,6 +1640,8 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd) |
4517 |
+ put_cpu(); |
4518 |
+ |
4519 |
+ if (ret == -EAGAIN) { |
4520 |
++ if (payload_sz > sizeof(cmd_request->mpb)) |
4521 |
++ kfree(payload); |
4522 |
+ /* no more space */ |
4523 |
+ return SCSI_MLQUEUE_DEVICE_BUSY; |
4524 |
+ } |
4525 |
+diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c |
4526 |
+index 4e7a4e9dcf4d..f8eba1c5412f 100644 |
4527 |
+--- a/drivers/tty/tty_buffer.c |
4528 |
++++ b/drivers/tty/tty_buffer.c |
4529 |
+@@ -361,6 +361,32 @@ int tty_insert_flip_string_flags(struct tty_port *port, |
4530 |
+ } |
4531 |
+ EXPORT_SYMBOL(tty_insert_flip_string_flags); |
4532 |
+ |
4533 |
++/** |
4534 |
++ * __tty_insert_flip_char - Add one character to the tty buffer |
4535 |
++ * @port: tty port |
4536 |
++ * @ch: character |
4537 |
++ * @flag: flag byte |
4538 |
++ * |
4539 |
++ * Queue a single byte to the tty buffering, with an optional flag. |
4540 |
++ * This is the slow path of tty_insert_flip_char. |
4541 |
++ */ |
4542 |
++int __tty_insert_flip_char(struct tty_port *port, unsigned char ch, char flag) |
4543 |
++{ |
4544 |
++ struct tty_buffer *tb; |
4545 |
++ int flags = (flag == TTY_NORMAL) ? TTYB_NORMAL : 0; |
4546 |
++ |
4547 |
++ if (!__tty_buffer_request_room(port, 1, flags)) |
4548 |
++ return 0; |
4549 |
++ |
4550 |
++ tb = port->buf.tail; |
4551 |
++ if (~tb->flags & TTYB_NORMAL) |
4552 |
++ *flag_buf_ptr(tb, tb->used) = flag; |
4553 |
++ *char_buf_ptr(tb, tb->used++) = ch; |
4554 |
++ |
4555 |
++ return 1; |
4556 |
++} |
4557 |
++EXPORT_SYMBOL(__tty_insert_flip_char); |
4558 |
++ |
4559 |
+ /** |
4560 |
+ * tty_schedule_flip - push characters to ldisc |
4561 |
+ * @port: tty port to push from |
4562 |
+diff --git a/fs/ext4/file.c b/fs/ext4/file.c |
4563 |
+index 0d7cf0cc9b87..86ea1d92839a 100644 |
4564 |
+--- a/fs/ext4/file.c |
4565 |
++++ b/fs/ext4/file.c |
4566 |
+@@ -595,7 +595,7 @@ static loff_t ext4_seek_data(struct file *file, loff_t offset, loff_t maxsize) |
4567 |
+ inode_lock(inode); |
4568 |
+ |
4569 |
+ isize = i_size_read(inode); |
4570 |
+- if (offset >= isize) { |
4571 |
++ if (offset < 0 || offset >= isize) { |
4572 |
+ inode_unlock(inode); |
4573 |
+ return -ENXIO; |
4574 |
+ } |
4575 |
+@@ -658,7 +658,7 @@ static loff_t ext4_seek_hole(struct file *file, loff_t offset, loff_t maxsize) |
4576 |
+ inode_lock(inode); |
4577 |
+ |
4578 |
+ isize = i_size_read(inode); |
4579 |
+- if (offset >= isize) { |
4580 |
++ if (offset < 0 || offset >= isize) { |
4581 |
+ inode_unlock(inode); |
4582 |
+ return -ENXIO; |
4583 |
+ } |
4584 |
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c |
4585 |
+index d61a70e2193a..c9e7be58756b 100644 |
4586 |
+--- a/fs/ext4/super.c |
4587 |
++++ b/fs/ext4/super.c |
4588 |
+@@ -2404,6 +2404,7 @@ static void ext4_orphan_cleanup(struct super_block *sb, |
4589 |
+ unsigned int s_flags = sb->s_flags; |
4590 |
+ int ret, nr_orphans = 0, nr_truncates = 0; |
4591 |
+ #ifdef CONFIG_QUOTA |
4592 |
++ int quota_update = 0; |
4593 |
+ int i; |
4594 |
+ #endif |
4595 |
+ if (!es->s_last_orphan) { |
4596 |
+@@ -2442,14 +2443,32 @@ static void ext4_orphan_cleanup(struct super_block *sb, |
4597 |
+ #ifdef CONFIG_QUOTA |
4598 |
+ /* Needed for iput() to work correctly and not trash data */ |
4599 |
+ sb->s_flags |= MS_ACTIVE; |
4600 |
+- /* Turn on quotas so that they are updated correctly */ |
4601 |
++ |
4602 |
++ /* |
4603 |
++ * Turn on quotas which were not enabled for read-only mounts if |
4604 |
++ * filesystem has quota feature, so that they are updated correctly. |
4605 |
++ */ |
4606 |
++ if (ext4_has_feature_quota(sb) && (s_flags & MS_RDONLY)) { |
4607 |
++ int ret = ext4_enable_quotas(sb); |
4608 |
++ |
4609 |
++ if (!ret) |
4610 |
++ quota_update = 1; |
4611 |
++ else |
4612 |
++ ext4_msg(sb, KERN_ERR, |
4613 |
++ "Cannot turn on quotas: error %d", ret); |
4614 |
++ } |
4615 |
++ |
4616 |
++ /* Turn on journaled quotas used for old sytle */ |
4617 |
+ for (i = 0; i < EXT4_MAXQUOTAS; i++) { |
4618 |
+ if (EXT4_SB(sb)->s_qf_names[i]) { |
4619 |
+ int ret = ext4_quota_on_mount(sb, i); |
4620 |
+- if (ret < 0) |
4621 |
++ |
4622 |
++ if (!ret) |
4623 |
++ quota_update = 1; |
4624 |
++ else |
4625 |
+ ext4_msg(sb, KERN_ERR, |
4626 |
+ "Cannot turn on journaled " |
4627 |
+- "quota: error %d", ret); |
4628 |
++ "quota: type %d: error %d", i, ret); |
4629 |
+ } |
4630 |
+ } |
4631 |
+ #endif |
4632 |
+@@ -2510,10 +2529,12 @@ static void ext4_orphan_cleanup(struct super_block *sb, |
4633 |
+ ext4_msg(sb, KERN_INFO, "%d truncate%s cleaned up", |
4634 |
+ PLURAL(nr_truncates)); |
4635 |
+ #ifdef CONFIG_QUOTA |
4636 |
+- /* Turn quotas off */ |
4637 |
+- for (i = 0; i < EXT4_MAXQUOTAS; i++) { |
4638 |
+- if (sb_dqopt(sb)->files[i]) |
4639 |
+- dquot_quota_off(sb, i); |
4640 |
++ /* Turn off quotas if they were enabled for orphan cleanup */ |
4641 |
++ if (quota_update) { |
4642 |
++ for (i = 0; i < EXT4_MAXQUOTAS; i++) { |
4643 |
++ if (sb_dqopt(sb)->files[i]) |
4644 |
++ dquot_quota_off(sb, i); |
4645 |
++ } |
4646 |
+ } |
4647 |
+ #endif |
4648 |
+ sb->s_flags = s_flags; /* Restore MS_RDONLY status */ |
4649 |
+@@ -5512,6 +5533,9 @@ static int ext4_enable_quotas(struct super_block *sb) |
4650 |
+ DQUOT_USAGE_ENABLED | |
4651 |
+ (quota_mopt[type] ? DQUOT_LIMITS_ENABLED : 0)); |
4652 |
+ if (err) { |
4653 |
++ for (type--; type >= 0; type--) |
4654 |
++ dquot_quota_off(sb, type); |
4655 |
++ |
4656 |
+ ext4_warning(sb, |
4657 |
+ "Failed to enable quota tracking " |
4658 |
+ "(type=%d, err=%d). Please run " |
4659 |
+diff --git a/fs/orangefs/acl.c b/fs/orangefs/acl.c |
4660 |
+index 7a3754488312..9409aac232f7 100644 |
4661 |
+--- a/fs/orangefs/acl.c |
4662 |
++++ b/fs/orangefs/acl.c |
4663 |
+@@ -61,9 +61,9 @@ struct posix_acl *orangefs_get_acl(struct inode *inode, int type) |
4664 |
+ return acl; |
4665 |
+ } |
4666 |
+ |
4667 |
+-int orangefs_set_acl(struct inode *inode, struct posix_acl *acl, int type) |
4668 |
++static int __orangefs_set_acl(struct inode *inode, struct posix_acl *acl, |
4669 |
++ int type) |
4670 |
+ { |
4671 |
+- struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
4672 |
+ int error = 0; |
4673 |
+ void *value = NULL; |
4674 |
+ size_t size = 0; |
4675 |
+@@ -72,22 +72,6 @@ int orangefs_set_acl(struct inode *inode, struct posix_acl *acl, int type) |
4676 |
+ switch (type) { |
4677 |
+ case ACL_TYPE_ACCESS: |
4678 |
+ name = XATTR_NAME_POSIX_ACL_ACCESS; |
4679 |
+- if (acl) { |
4680 |
+- umode_t mode; |
4681 |
+- |
4682 |
+- error = posix_acl_update_mode(inode, &mode, &acl); |
4683 |
+- if (error) { |
4684 |
+- gossip_err("%s: posix_acl_update_mode err: %d\n", |
4685 |
+- __func__, |
4686 |
+- error); |
4687 |
+- return error; |
4688 |
+- } |
4689 |
+- |
4690 |
+- if (inode->i_mode != mode) |
4691 |
+- SetModeFlag(orangefs_inode); |
4692 |
+- inode->i_mode = mode; |
4693 |
+- mark_inode_dirty_sync(inode); |
4694 |
+- } |
4695 |
+ break; |
4696 |
+ case ACL_TYPE_DEFAULT: |
4697 |
+ name = XATTR_NAME_POSIX_ACL_DEFAULT; |
4698 |
+@@ -132,6 +116,29 @@ int orangefs_set_acl(struct inode *inode, struct posix_acl *acl, int type) |
4699 |
+ return error; |
4700 |
+ } |
4701 |
+ |
4702 |
++int orangefs_set_acl(struct inode *inode, struct posix_acl *acl, int type) |
4703 |
++{ |
4704 |
++ int error; |
4705 |
++ |
4706 |
++ if (type == ACL_TYPE_ACCESS && acl) { |
4707 |
++ umode_t mode; |
4708 |
++ |
4709 |
++ error = posix_acl_update_mode(inode, &mode, &acl); |
4710 |
++ if (error) { |
4711 |
++ gossip_err("%s: posix_acl_update_mode err: %d\n", |
4712 |
++ __func__, |
4713 |
++ error); |
4714 |
++ return error; |
4715 |
++ } |
4716 |
++ |
4717 |
++ if (inode->i_mode != mode) |
4718 |
++ SetModeFlag(ORANGEFS_I(inode)); |
4719 |
++ inode->i_mode = mode; |
4720 |
++ mark_inode_dirty_sync(inode); |
4721 |
++ } |
4722 |
++ return __orangefs_set_acl(inode, acl, type); |
4723 |
++} |
4724 |
++ |
4725 |
+ int orangefs_init_acl(struct inode *inode, struct inode *dir) |
4726 |
+ { |
4727 |
+ struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
4728 |
+@@ -146,13 +153,14 @@ int orangefs_init_acl(struct inode *inode, struct inode *dir) |
4729 |
+ return error; |
4730 |
+ |
4731 |
+ if (default_acl) { |
4732 |
+- error = orangefs_set_acl(inode, default_acl, ACL_TYPE_DEFAULT); |
4733 |
++ error = __orangefs_set_acl(inode, default_acl, |
4734 |
++ ACL_TYPE_DEFAULT); |
4735 |
+ posix_acl_release(default_acl); |
4736 |
+ } |
4737 |
+ |
4738 |
+ if (acl) { |
4739 |
+ if (!error) |
4740 |
+- error = orangefs_set_acl(inode, acl, ACL_TYPE_ACCESS); |
4741 |
++ error = __orangefs_set_acl(inode, acl, ACL_TYPE_ACCESS); |
4742 |
+ posix_acl_release(acl); |
4743 |
+ } |
4744 |
+ |
4745 |
+diff --git a/include/linux/ccp.h b/include/linux/ccp.h |
4746 |
+index 3285c944194a..ab693c3afd0d 100644 |
4747 |
+--- a/include/linux/ccp.h |
4748 |
++++ b/include/linux/ccp.h |
4749 |
+@@ -1,7 +1,7 @@ |
4750 |
+ /* |
4751 |
+ * AMD Cryptographic Coprocessor (CCP) driver |
4752 |
+ * |
4753 |
+- * Copyright (C) 2013,2016 Advanced Micro Devices, Inc. |
4754 |
++ * Copyright (C) 2013,2017 Advanced Micro Devices, Inc. |
4755 |
+ * |
4756 |
+ * Author: Tom Lendacky <thomas.lendacky@×××.com> |
4757 |
+ * Author: Gary R Hook <gary.hook@×××.com> |
4758 |
+@@ -231,6 +231,7 @@ enum ccp_xts_aes_unit_size { |
4759 |
+ * AES operation the new IV overwrites the old IV. |
4760 |
+ */ |
4761 |
+ struct ccp_xts_aes_engine { |
4762 |
++ enum ccp_aes_type type; |
4763 |
+ enum ccp_aes_action action; |
4764 |
+ enum ccp_xts_aes_unit_size unit_size; |
4765 |
+ |
4766 |
+diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h |
4767 |
+index 898cfe2eeb42..bc46e729fdde 100644 |
4768 |
+--- a/include/linux/cpuset.h |
4769 |
++++ b/include/linux/cpuset.h |
4770 |
+@@ -57,7 +57,9 @@ static inline void cpuset_dec(void) |
4771 |
+ |
4772 |
+ extern int cpuset_init(void); |
4773 |
+ extern void cpuset_init_smp(void); |
4774 |
++extern void cpuset_force_rebuild(void); |
4775 |
+ extern void cpuset_update_active_cpus(void); |
4776 |
++extern void cpuset_wait_for_hotplug(void); |
4777 |
+ extern void cpuset_cpus_allowed(struct task_struct *p, struct cpumask *mask); |
4778 |
+ extern void cpuset_cpus_allowed_fallback(struct task_struct *p); |
4779 |
+ extern nodemask_t cpuset_mems_allowed(struct task_struct *p); |
4780 |
+@@ -170,11 +172,15 @@ static inline bool cpusets_enabled(void) { return false; } |
4781 |
+ static inline int cpuset_init(void) { return 0; } |
4782 |
+ static inline void cpuset_init_smp(void) {} |
4783 |
+ |
4784 |
++static inline void cpuset_force_rebuild(void) { } |
4785 |
++ |
4786 |
+ static inline void cpuset_update_active_cpus(void) |
4787 |
+ { |
4788 |
+ partition_sched_domains(1, NULL, NULL); |
4789 |
+ } |
4790 |
+ |
4791 |
++static inline void cpuset_wait_for_hotplug(void) { } |
4792 |
++ |
4793 |
+ static inline void cpuset_cpus_allowed(struct task_struct *p, |
4794 |
+ struct cpumask *mask) |
4795 |
+ { |
4796 |
+diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h |
4797 |
+index 6383115e9d2c..2e028854bac7 100644 |
4798 |
+--- a/include/linux/ftrace.h |
4799 |
++++ b/include/linux/ftrace.h |
4800 |
+@@ -307,7 +307,7 @@ DECLARE_PER_CPU(int, disable_stack_tracer); |
4801 |
+ static inline void stack_tracer_disable(void) |
4802 |
+ { |
4803 |
+ /* Preemption or interupts must be disabled */ |
4804 |
+- if (IS_ENABLED(CONFIG_PREEMPT_DEBUG)) |
4805 |
++ if (IS_ENABLED(CONFIG_DEBUG_PREEMPT)) |
4806 |
+ WARN_ON_ONCE(!preempt_count() || !irqs_disabled()); |
4807 |
+ this_cpu_inc(disable_stack_tracer); |
4808 |
+ } |
4809 |
+@@ -320,7 +320,7 @@ static inline void stack_tracer_disable(void) |
4810 |
+ */ |
4811 |
+ static inline void stack_tracer_enable(void) |
4812 |
+ { |
4813 |
+- if (IS_ENABLED(CONFIG_PREEMPT_DEBUG)) |
4814 |
++ if (IS_ENABLED(CONFIG_DEBUG_PREEMPT)) |
4815 |
+ WARN_ON_ONCE(!preempt_count() || !irqs_disabled()); |
4816 |
+ this_cpu_dec(disable_stack_tracer); |
4817 |
+ } |
4818 |
+diff --git a/include/linux/tty_flip.h b/include/linux/tty_flip.h |
4819 |
+index c28dd523f96e..d43837f2ce3a 100644 |
4820 |
+--- a/include/linux/tty_flip.h |
4821 |
++++ b/include/linux/tty_flip.h |
4822 |
+@@ -12,6 +12,7 @@ extern int tty_prepare_flip_string(struct tty_port *port, |
4823 |
+ unsigned char **chars, size_t size); |
4824 |
+ extern void tty_flip_buffer_push(struct tty_port *port); |
4825 |
+ void tty_schedule_flip(struct tty_port *port); |
4826 |
++int __tty_insert_flip_char(struct tty_port *port, unsigned char ch, char flag); |
4827 |
+ |
4828 |
+ static inline int tty_insert_flip_char(struct tty_port *port, |
4829 |
+ unsigned char ch, char flag) |
4830 |
+@@ -26,7 +27,7 @@ static inline int tty_insert_flip_char(struct tty_port *port, |
4831 |
+ *char_buf_ptr(tb, tb->used++) = ch; |
4832 |
+ return 1; |
4833 |
+ } |
4834 |
+- return tty_insert_flip_string_flags(port, &ch, &flag, 1); |
4835 |
++ return __tty_insert_flip_char(port, ch, flag); |
4836 |
+ } |
4837 |
+ |
4838 |
+ static inline int tty_insert_flip_string(struct tty_port *port, |
4839 |
+diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h |
4840 |
+index acdd6f915a8d..20ef8e6ec2db 100644 |
4841 |
+--- a/include/linux/uaccess.h |
4842 |
++++ b/include/linux/uaccess.h |
4843 |
+@@ -156,7 +156,7 @@ copy_to_user(void __user *to, const void *from, unsigned long n) |
4844 |
+ } |
4845 |
+ #ifdef CONFIG_COMPAT |
4846 |
+ static __always_inline unsigned long __must_check |
4847 |
+-copy_in_user(void __user *to, const void *from, unsigned long n) |
4848 |
++copy_in_user(void __user *to, const void __user *from, unsigned long n) |
4849 |
+ { |
4850 |
+ might_fault(); |
4851 |
+ if (access_ok(VERIFY_WRITE, to, n) && access_ok(VERIFY_READ, from, n)) |
4852 |
+diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c |
4853 |
+index 87a1213dd326..e8cb34193433 100644 |
4854 |
+--- a/kernel/cgroup/cpuset.c |
4855 |
++++ b/kernel/cgroup/cpuset.c |
4856 |
+@@ -2260,6 +2260,13 @@ static void cpuset_hotplug_update_tasks(struct cpuset *cs) |
4857 |
+ mutex_unlock(&cpuset_mutex); |
4858 |
+ } |
4859 |
+ |
4860 |
++static bool force_rebuild; |
4861 |
++ |
4862 |
++void cpuset_force_rebuild(void) |
4863 |
++{ |
4864 |
++ force_rebuild = true; |
4865 |
++} |
4866 |
++ |
4867 |
+ /** |
4868 |
+ * cpuset_hotplug_workfn - handle CPU/memory hotunplug for a cpuset |
4869 |
+ * |
4870 |
+@@ -2334,8 +2341,10 @@ static void cpuset_hotplug_workfn(struct work_struct *work) |
4871 |
+ } |
4872 |
+ |
4873 |
+ /* rebuild sched domains if cpus_allowed has changed */ |
4874 |
+- if (cpus_updated) |
4875 |
++ if (cpus_updated || force_rebuild) { |
4876 |
++ force_rebuild = false; |
4877 |
+ rebuild_sched_domains(); |
4878 |
++ } |
4879 |
+ } |
4880 |
+ |
4881 |
+ void cpuset_update_active_cpus(void) |
4882 |
+@@ -2354,6 +2363,11 @@ void cpuset_update_active_cpus(void) |
4883 |
+ schedule_work(&cpuset_hotplug_work); |
4884 |
+ } |
4885 |
+ |
4886 |
++void cpuset_wait_for_hotplug(void) |
4887 |
++{ |
4888 |
++ flush_work(&cpuset_hotplug_work); |
4889 |
++} |
4890 |
++ |
4891 |
+ /* |
4892 |
+ * Keep top_cpuset.mems_allowed tracking node_states[N_MEMORY]. |
4893 |
+ * Call this routine anytime after node_states[N_MEMORY] changes. |
4894 |
+diff --git a/kernel/cpu.c b/kernel/cpu.c |
4895 |
+index eee033134262..a88c29ab09be 100644 |
4896 |
+--- a/kernel/cpu.c |
4897 |
++++ b/kernel/cpu.c |
4898 |
+@@ -1252,7 +1252,17 @@ static int cpuhp_store_callbacks(enum cpuhp_state state, const char *name, |
4899 |
+ struct cpuhp_step *sp; |
4900 |
+ int ret = 0; |
4901 |
+ |
4902 |
+- if (state == CPUHP_AP_ONLINE_DYN || state == CPUHP_BP_PREPARE_DYN) { |
4903 |
++ /* |
4904 |
++ * If name is NULL, then the state gets removed. |
4905 |
++ * |
4906 |
++ * CPUHP_AP_ONLINE_DYN and CPUHP_BP_PREPARE_DYN are handed out on |
4907 |
++ * the first allocation from these dynamic ranges, so the removal |
4908 |
++ * would trigger a new allocation and clear the wrong (already |
4909 |
++ * empty) state, leaving the callbacks of the to be cleared state |
4910 |
++ * dangling, which causes wreckage on the next hotplug operation. |
4911 |
++ */ |
4912 |
++ if (name && (state == CPUHP_AP_ONLINE_DYN || |
4913 |
++ state == CPUHP_BP_PREPARE_DYN)) { |
4914 |
+ ret = cpuhp_reserve_state(state); |
4915 |
+ if (ret < 0) |
4916 |
+ return ret; |
4917 |
+diff --git a/kernel/power/process.c b/kernel/power/process.c |
4918 |
+index 78672d324a6e..50f25cb370c6 100644 |
4919 |
+--- a/kernel/power/process.c |
4920 |
++++ b/kernel/power/process.c |
4921 |
+@@ -20,8 +20,9 @@ |
4922 |
+ #include <linux/workqueue.h> |
4923 |
+ #include <linux/kmod.h> |
4924 |
+ #include <trace/events/power.h> |
4925 |
++#include <linux/cpuset.h> |
4926 |
+ |
4927 |
+-/* |
4928 |
++/* |
4929 |
+ * Timeout for stopping processes |
4930 |
+ */ |
4931 |
+ unsigned int __read_mostly freeze_timeout_msecs = 20 * MSEC_PER_SEC; |
4932 |
+@@ -202,6 +203,8 @@ void thaw_processes(void) |
4933 |
+ __usermodehelper_set_disable_depth(UMH_FREEZING); |
4934 |
+ thaw_workqueues(); |
4935 |
+ |
4936 |
++ cpuset_wait_for_hotplug(); |
4937 |
++ |
4938 |
+ read_lock(&tasklist_lock); |
4939 |
+ for_each_process_thread(g, p) { |
4940 |
+ /* No other threads should have PF_SUSPEND_TASK set */ |
4941 |
+diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c |
4942 |
+index d0ca524bf042..258a9abee0b0 100644 |
4943 |
+--- a/kernel/rcu/srcutree.c |
4944 |
++++ b/kernel/rcu/srcutree.c |
4945 |
+@@ -896,6 +896,15 @@ static void __synchronize_srcu(struct srcu_struct *sp, bool do_norm) |
4946 |
+ __call_srcu(sp, &rcu.head, wakeme_after_rcu, do_norm); |
4947 |
+ wait_for_completion(&rcu.completion); |
4948 |
+ destroy_rcu_head_on_stack(&rcu.head); |
4949 |
++ |
4950 |
++ /* |
4951 |
++ * Make sure that later code is ordered after the SRCU grace |
4952 |
++ * period. This pairs with the raw_spin_lock_irq_rcu_node() |
4953 |
++ * in srcu_invoke_callbacks(). Unlike Tree RCU, this is needed |
4954 |
++ * because the current CPU might have been totally uninvolved with |
4955 |
++ * (and thus unordered against) that grace period. |
4956 |
++ */ |
4957 |
++ smp_mb(); |
4958 |
+ } |
4959 |
+ |
4960 |
+ /** |
4961 |
+diff --git a/kernel/sched/core.c b/kernel/sched/core.c |
4962 |
+index 0869b20fba81..99326c370c9c 100644 |
4963 |
+--- a/kernel/sched/core.c |
4964 |
++++ b/kernel/sched/core.c |
4965 |
+@@ -5538,16 +5538,15 @@ static void cpuset_cpu_active(void) |
4966 |
+ * operation in the resume sequence, just build a single sched |
4967 |
+ * domain, ignoring cpusets. |
4968 |
+ */ |
4969 |
+- num_cpus_frozen--; |
4970 |
+- if (likely(num_cpus_frozen)) { |
4971 |
+- partition_sched_domains(1, NULL, NULL); |
4972 |
++ partition_sched_domains(1, NULL, NULL); |
4973 |
++ if (--num_cpus_frozen) |
4974 |
+ return; |
4975 |
+- } |
4976 |
+ /* |
4977 |
+ * This is the last CPU online operation. So fall through and |
4978 |
+ * restore the original sched domains by considering the |
4979 |
+ * cpuset configurations. |
4980 |
+ */ |
4981 |
++ cpuset_force_rebuild(); |
4982 |
+ } |
4983 |
+ cpuset_update_active_cpus(); |
4984 |
+ } |
4985 |
+diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c |
4986 |
+index 96cea88fa00f..725819569fa7 100644 |
4987 |
+--- a/kernel/trace/ftrace.c |
4988 |
++++ b/kernel/trace/ftrace.c |
4989 |
+@@ -2828,13 +2828,14 @@ static int ftrace_shutdown(struct ftrace_ops *ops, int command) |
4990 |
+ |
4991 |
+ if (!command || !ftrace_enabled) { |
4992 |
+ /* |
4993 |
+- * If these are per_cpu ops, they still need their |
4994 |
+- * per_cpu field freed. Since, function tracing is |
4995 |
++ * If these are dynamic or per_cpu ops, they still |
4996 |
++ * need their data freed. Since, function tracing is |
4997 |
+ * not currently active, we can just free them |
4998 |
+ * without synchronizing all CPUs. |
4999 |
+ */ |
5000 |
+- if (ops->flags & FTRACE_OPS_FL_PER_CPU) |
5001 |
+- per_cpu_ops_free(ops); |
5002 |
++ if (ops->flags & (FTRACE_OPS_FL_DYNAMIC | FTRACE_OPS_FL_PER_CPU)) |
5003 |
++ goto free_ops; |
5004 |
++ |
5005 |
+ return 0; |
5006 |
+ } |
5007 |
+ |
5008 |
+@@ -2900,6 +2901,7 @@ static int ftrace_shutdown(struct ftrace_ops *ops, int command) |
5009 |
+ if (IS_ENABLED(CONFIG_PREEMPT)) |
5010 |
+ synchronize_rcu_tasks(); |
5011 |
+ |
5012 |
++ free_ops: |
5013 |
+ arch_ftrace_trampoline_free(ops); |
5014 |
+ |
5015 |
+ if (ops->flags & FTRACE_OPS_FL_PER_CPU) |
5016 |
+diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c |
5017 |
+index 44004d8aa3b3..5efb4b63174e 100644 |
5018 |
+--- a/kernel/trace/trace.c |
5019 |
++++ b/kernel/trace/trace.c |
5020 |
+@@ -2799,11 +2799,17 @@ static char *get_trace_buf(void) |
5021 |
+ if (!buffer || buffer->nesting >= 4) |
5022 |
+ return NULL; |
5023 |
+ |
5024 |
+- return &buffer->buffer[buffer->nesting++][0]; |
5025 |
++ buffer->nesting++; |
5026 |
++ |
5027 |
++ /* Interrupts must see nesting incremented before we use the buffer */ |
5028 |
++ barrier(); |
5029 |
++ return &buffer->buffer[buffer->nesting][0]; |
5030 |
+ } |
5031 |
+ |
5032 |
+ static void put_trace_buf(void) |
5033 |
+ { |
5034 |
++ /* Don't let the decrement of nesting leak before this */ |
5035 |
++ barrier(); |
5036 |
+ this_cpu_dec(trace_percpu_buffer->nesting); |
5037 |
+ } |
5038 |
+ |
5039 |
+@@ -6220,7 +6226,7 @@ static int tracing_set_clock(struct trace_array *tr, const char *clockstr) |
5040 |
+ tracing_reset_online_cpus(&tr->trace_buffer); |
5041 |
+ |
5042 |
+ #ifdef CONFIG_TRACER_MAX_TRACE |
5043 |
+- if (tr->flags & TRACE_ARRAY_FL_GLOBAL && tr->max_buffer.buffer) |
5044 |
++ if (tr->max_buffer.buffer) |
5045 |
+ ring_buffer_set_clock(tr->max_buffer.buffer, trace_clocks[i].func); |
5046 |
+ tracing_reset_online_cpus(&tr->max_buffer); |
5047 |
+ #endif |
5048 |
+diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c |
5049 |
+index 36132f9280e6..51a6e09a7410 100644 |
5050 |
+--- a/kernel/trace/trace_events.c |
5051 |
++++ b/kernel/trace/trace_events.c |
5052 |
+@@ -406,7 +406,7 @@ static int __ftrace_event_enable_disable(struct trace_event_file *file, |
5053 |
+ |
5054 |
+ if (file->flags & EVENT_FILE_FL_RECORDED_TGID) { |
5055 |
+ tracing_stop_tgid_record(); |
5056 |
+- clear_bit(EVENT_FILE_FL_RECORDED_CMD_BIT, &file->flags); |
5057 |
++ clear_bit(EVENT_FILE_FL_RECORDED_TGID_BIT, &file->flags); |
5058 |
+ } |
5059 |
+ |
5060 |
+ call->class->reg(call, TRACE_REG_UNREGISTER, file); |
5061 |
+diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c |
5062 |
+index cb917cebae29..b17ec642793b 100644 |
5063 |
+--- a/kernel/trace/trace_selftest.c |
5064 |
++++ b/kernel/trace/trace_selftest.c |
5065 |
+@@ -273,7 +273,7 @@ static int trace_selftest_ops(struct trace_array *tr, int cnt) |
5066 |
+ goto out_free; |
5067 |
+ if (cnt > 1) { |
5068 |
+ if (trace_selftest_test_global_cnt == 0) |
5069 |
+- goto out; |
5070 |
++ goto out_free; |
5071 |
+ } |
5072 |
+ if (trace_selftest_test_dyn_cnt == 0) |
5073 |
+ goto out_free; |
5074 |
+diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c |
5075 |
+index 9979f46c81dc..51390febd5e3 100644 |
5076 |
+--- a/net/netfilter/nf_conntrack_core.c |
5077 |
++++ b/net/netfilter/nf_conntrack_core.c |
5078 |
+@@ -96,19 +96,26 @@ static struct conntrack_gc_work conntrack_gc_work; |
5079 |
+ |
5080 |
+ void nf_conntrack_lock(spinlock_t *lock) __acquires(lock) |
5081 |
+ { |
5082 |
++ /* 1) Acquire the lock */ |
5083 |
+ spin_lock(lock); |
5084 |
+- while (unlikely(nf_conntrack_locks_all)) { |
5085 |
+- spin_unlock(lock); |
5086 |
+ |
5087 |
+- /* |
5088 |
+- * Order the 'nf_conntrack_locks_all' load vs. the |
5089 |
+- * spin_unlock_wait() loads below, to ensure |
5090 |
+- * that 'nf_conntrack_locks_all_lock' is indeed held: |
5091 |
+- */ |
5092 |
+- smp_rmb(); /* spin_lock(&nf_conntrack_locks_all_lock) */ |
5093 |
+- spin_unlock_wait(&nf_conntrack_locks_all_lock); |
5094 |
+- spin_lock(lock); |
5095 |
+- } |
5096 |
++ /* 2) read nf_conntrack_locks_all, with ACQUIRE semantics |
5097 |
++ * It pairs with the smp_store_release() in nf_conntrack_all_unlock() |
5098 |
++ */ |
5099 |
++ if (likely(smp_load_acquire(&nf_conntrack_locks_all) == false)) |
5100 |
++ return; |
5101 |
++ |
5102 |
++ /* fast path failed, unlock */ |
5103 |
++ spin_unlock(lock); |
5104 |
++ |
5105 |
++ /* Slow path 1) get global lock */ |
5106 |
++ spin_lock(&nf_conntrack_locks_all_lock); |
5107 |
++ |
5108 |
++ /* Slow path 2) get the lock we want */ |
5109 |
++ spin_lock(lock); |
5110 |
++ |
5111 |
++ /* Slow path 3) release the global lock */ |
5112 |
++ spin_unlock(&nf_conntrack_locks_all_lock); |
5113 |
+ } |
5114 |
+ EXPORT_SYMBOL_GPL(nf_conntrack_lock); |
5115 |
+ |
5116 |
+@@ -149,28 +156,27 @@ static void nf_conntrack_all_lock(void) |
5117 |
+ int i; |
5118 |
+ |
5119 |
+ spin_lock(&nf_conntrack_locks_all_lock); |
5120 |
+- nf_conntrack_locks_all = true; |
5121 |
+ |
5122 |
+- /* |
5123 |
+- * Order the above store of 'nf_conntrack_locks_all' against |
5124 |
+- * the spin_unlock_wait() loads below, such that if |
5125 |
+- * nf_conntrack_lock() observes 'nf_conntrack_locks_all' |
5126 |
+- * we must observe nf_conntrack_locks[] held: |
5127 |
+- */ |
5128 |
+- smp_mb(); /* spin_lock(&nf_conntrack_locks_all_lock) */ |
5129 |
++ nf_conntrack_locks_all = true; |
5130 |
+ |
5131 |
+ for (i = 0; i < CONNTRACK_LOCKS; i++) { |
5132 |
+- spin_unlock_wait(&nf_conntrack_locks[i]); |
5133 |
++ spin_lock(&nf_conntrack_locks[i]); |
5134 |
++ |
5135 |
++ /* This spin_unlock provides the "release" to ensure that |
5136 |
++ * nf_conntrack_locks_all==true is visible to everyone that |
5137 |
++ * acquired spin_lock(&nf_conntrack_locks[]). |
5138 |
++ */ |
5139 |
++ spin_unlock(&nf_conntrack_locks[i]); |
5140 |
+ } |
5141 |
+ } |
5142 |
+ |
5143 |
+ static void nf_conntrack_all_unlock(void) |
5144 |
+ { |
5145 |
+- /* |
5146 |
+- * All prior stores must be complete before we clear |
5147 |
++ /* All prior stores must be complete before we clear |
5148 |
+ * 'nf_conntrack_locks_all'. Otherwise nf_conntrack_lock() |
5149 |
+ * might observe the false value but not the entire |
5150 |
+- * critical section: |
5151 |
++ * critical section. |
5152 |
++ * It pairs with the smp_load_acquire() in nf_conntrack_lock() |
5153 |
+ */ |
5154 |
+ smp_store_release(&nf_conntrack_locks_all, false); |
5155 |
+ spin_unlock(&nf_conntrack_locks_all_lock); |
5156 |
+diff --git a/sound/core/seq_device.c b/sound/core/seq_device.c |
5157 |
+index c4acf17e9f5e..e40a2cba5002 100644 |
5158 |
+--- a/sound/core/seq_device.c |
5159 |
++++ b/sound/core/seq_device.c |
5160 |
+@@ -148,8 +148,10 @@ void snd_seq_device_load_drivers(void) |
5161 |
+ flush_work(&autoload_work); |
5162 |
+ } |
5163 |
+ EXPORT_SYMBOL(snd_seq_device_load_drivers); |
5164 |
++#define cancel_autoload_drivers() cancel_work_sync(&autoload_work) |
5165 |
+ #else |
5166 |
+ #define queue_autoload_drivers() /* NOP */ |
5167 |
++#define cancel_autoload_drivers() /* NOP */ |
5168 |
+ #endif |
5169 |
+ |
5170 |
+ /* |
5171 |
+@@ -159,6 +161,7 @@ static int snd_seq_device_dev_free(struct snd_device *device) |
5172 |
+ { |
5173 |
+ struct snd_seq_device *dev = device->device_data; |
5174 |
+ |
5175 |
++ cancel_autoload_drivers(); |
5176 |
+ put_device(&dev->dev); |
5177 |
+ return 0; |
5178 |
+ } |