1 |
commit: b756e9982b6c775189f4d96eba767c23773aebda |
2 |
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> |
3 |
AuthorDate: Tue Jul 17 10:24:44 2018 +0000 |
4 |
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> |
5 |
CommitDate: Wed Nov 21 15:00:56 2018 +0000 |
6 |
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=b756e998 |
7 |
|
8 |
Linux patch 4.4.141 |
9 |
|
10 |
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org> |
11 |
|
12 |
0000_README | 4 + |
13 |
1140_linux-4.4.141.patch | 2989 ++++++++++++++++++++++++++++++++++++++++++++++ |
14 |
2 files changed, 2993 insertions(+) |
15 |
|
16 |
diff --git a/0000_README b/0000_README |
17 |
index 73e6c56..c1babcb 100644 |
18 |
--- a/0000_README |
19 |
+++ b/0000_README |
20 |
@@ -603,6 +603,10 @@ Patch: 1139_linux-4.4.140.patch |
21 |
From: http://www.kernel.org |
22 |
Desc: Linux 4.4.140 |
23 |
|
24 |
+Patch: 1140_linux-4.4.141.patch |
25 |
+From: http://www.kernel.org |
26 |
+Desc: Linux 4.4.141 |
27 |
+ |
28 |
Patch: 1500_XATTR_USER_PREFIX.patch |
29 |
From: https://bugs.gentoo.org/show_bug.cgi?id=470644 |
30 |
Desc: Support for namespace user.pax.* on tmpfs. |
31 |
|
32 |
diff --git a/1140_linux-4.4.141.patch b/1140_linux-4.4.141.patch |
33 |
new file mode 100644 |
34 |
index 0000000..eec959a |
35 |
--- /dev/null |
36 |
+++ b/1140_linux-4.4.141.patch |
37 |
@@ -0,0 +1,2989 @@ |
38 |
+diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt |
39 |
+index 4df6bd7d01ed..e60d0b5809c1 100644 |
40 |
+--- a/Documentation/kernel-parameters.txt |
41 |
++++ b/Documentation/kernel-parameters.txt |
42 |
+@@ -652,7 +652,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. |
43 |
+ |
44 |
+ clearcpuid=BITNUM [X86] |
45 |
+ Disable CPUID feature X for the kernel. See |
46 |
+- arch/x86/include/asm/cpufeature.h for the valid bit |
47 |
++ arch/x86/include/asm/cpufeatures.h for the valid bit |
48 |
+ numbers. Note the Linux specific bits are not necessarily |
49 |
+ stable over kernel options, but the vendor specific |
50 |
+ ones should be. |
51 |
+diff --git a/Makefile b/Makefile |
52 |
+index b842298a5970..3fc39e41dbde 100644 |
53 |
+--- a/Makefile |
54 |
++++ b/Makefile |
55 |
+@@ -1,6 +1,6 @@ |
56 |
+ VERSION = 4 |
57 |
+ PATCHLEVEL = 4 |
58 |
+-SUBLEVEL = 140 |
59 |
++SUBLEVEL = 141 |
60 |
+ EXTRAVERSION = |
61 |
+ NAME = Blurry Fish Butt |
62 |
+ |
63 |
+diff --git a/arch/mips/mm/ioremap.c b/arch/mips/mm/ioremap.c |
64 |
+index 8d5008cbdc0f..a853a83f2944 100644 |
65 |
+--- a/arch/mips/mm/ioremap.c |
66 |
++++ b/arch/mips/mm/ioremap.c |
67 |
+@@ -9,6 +9,7 @@ |
68 |
+ #include <linux/module.h> |
69 |
+ #include <asm/addrspace.h> |
70 |
+ #include <asm/byteorder.h> |
71 |
++#include <linux/ioport.h> |
72 |
+ #include <linux/sched.h> |
73 |
+ #include <linux/slab.h> |
74 |
+ #include <linux/vmalloc.h> |
75 |
+@@ -97,6 +98,20 @@ static int remap_area_pages(unsigned long address, phys_addr_t phys_addr, |
76 |
+ return error; |
77 |
+ } |
78 |
+ |
79 |
++static int __ioremap_check_ram(unsigned long start_pfn, unsigned long nr_pages, |
80 |
++ void *arg) |
81 |
++{ |
82 |
++ unsigned long i; |
83 |
++ |
84 |
++ for (i = 0; i < nr_pages; i++) { |
85 |
++ if (pfn_valid(start_pfn + i) && |
86 |
++ !PageReserved(pfn_to_page(start_pfn + i))) |
87 |
++ return 1; |
88 |
++ } |
89 |
++ |
90 |
++ return 0; |
91 |
++} |
92 |
++ |
93 |
+ /* |
94 |
+ * Generic mapping function (not visible outside): |
95 |
+ */ |
96 |
+@@ -115,8 +130,8 @@ static int remap_area_pages(unsigned long address, phys_addr_t phys_addr, |
97 |
+ |
98 |
+ void __iomem * __ioremap(phys_addr_t phys_addr, phys_addr_t size, unsigned long flags) |
99 |
+ { |
100 |
++ unsigned long offset, pfn, last_pfn; |
101 |
+ struct vm_struct * area; |
102 |
+- unsigned long offset; |
103 |
+ phys_addr_t last_addr; |
104 |
+ void * addr; |
105 |
+ |
106 |
+@@ -136,18 +151,16 @@ void __iomem * __ioremap(phys_addr_t phys_addr, phys_addr_t size, unsigned long |
107 |
+ return (void __iomem *) CKSEG1ADDR(phys_addr); |
108 |
+ |
109 |
+ /* |
110 |
+- * Don't allow anybody to remap normal RAM that we're using.. |
111 |
++ * Don't allow anybody to remap RAM that may be allocated by the page |
112 |
++ * allocator, since that could lead to races & data clobbering. |
113 |
+ */ |
114 |
+- if (phys_addr < virt_to_phys(high_memory)) { |
115 |
+- char *t_addr, *t_end; |
116 |
+- struct page *page; |
117 |
+- |
118 |
+- t_addr = __va(phys_addr); |
119 |
+- t_end = t_addr + (size - 1); |
120 |
+- |
121 |
+- for(page = virt_to_page(t_addr); page <= virt_to_page(t_end); page++) |
122 |
+- if(!PageReserved(page)) |
123 |
+- return NULL; |
124 |
++ pfn = PFN_DOWN(phys_addr); |
125 |
++ last_pfn = PFN_DOWN(last_addr); |
126 |
++ if (walk_system_ram_range(pfn, last_pfn - pfn + 1, NULL, |
127 |
++ __ioremap_check_ram) == 1) { |
128 |
++ WARN_ONCE(1, "ioremap on RAM at %pa - %pa\n", |
129 |
++ &phys_addr, &last_addr); |
130 |
++ return NULL; |
131 |
+ } |
132 |
+ |
133 |
+ /* |
134 |
+diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig |
135 |
+index eab1ef25eecd..d9afe6d40550 100644 |
136 |
+--- a/arch/x86/Kconfig |
137 |
++++ b/arch/x86/Kconfig |
138 |
+@@ -346,6 +346,17 @@ config X86_FEATURE_NAMES |
139 |
+ |
140 |
+ If in doubt, say Y. |
141 |
+ |
142 |
++config X86_FAST_FEATURE_TESTS |
143 |
++ bool "Fast CPU feature tests" if EMBEDDED |
144 |
++ default y |
145 |
++ ---help--- |
146 |
++ Some fast-paths in the kernel depend on the capabilities of the CPU. |
147 |
++ Say Y here for the kernel to patch in the appropriate code at runtime |
148 |
++ based on the capabilities of the CPU. The infrastructure for patching |
149 |
++ code at runtime takes up some additional space; space-constrained |
150 |
++ embedded systems may wish to say N here to produce smaller, slightly |
151 |
++ slower code. |
152 |
++ |
153 |
+ config X86_X2APIC |
154 |
+ bool "Support x2apic" |
155 |
+ depends on X86_LOCAL_APIC && X86_64 && (IRQ_REMAP || HYPERVISOR_GUEST) |
156 |
+diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug |
157 |
+index da00fe1f48f4..2aa212fb0faf 100644 |
158 |
+--- a/arch/x86/Kconfig.debug |
159 |
++++ b/arch/x86/Kconfig.debug |
160 |
+@@ -367,16 +367,6 @@ config DEBUG_IMR_SELFTEST |
161 |
+ |
162 |
+ If unsure say N here. |
163 |
+ |
164 |
+-config X86_DEBUG_STATIC_CPU_HAS |
165 |
+- bool "Debug alternatives" |
166 |
+- depends on DEBUG_KERNEL |
167 |
+- ---help--- |
168 |
+- This option causes additional code to be generated which |
169 |
+- fails if static_cpu_has() is used before alternatives have |
170 |
+- run. |
171 |
+- |
172 |
+- If unsure, say N. |
173 |
+- |
174 |
+ config X86_DEBUG_FPU |
175 |
+ bool "Debug the x86 FPU code" |
176 |
+ depends on DEBUG_KERNEL |
177 |
+diff --git a/arch/x86/boot/cpuflags.h b/arch/x86/boot/cpuflags.h |
178 |
+index ea97697e51e4..4cb404fd45ce 100644 |
179 |
+--- a/arch/x86/boot/cpuflags.h |
180 |
++++ b/arch/x86/boot/cpuflags.h |
181 |
+@@ -1,7 +1,7 @@ |
182 |
+ #ifndef BOOT_CPUFLAGS_H |
183 |
+ #define BOOT_CPUFLAGS_H |
184 |
+ |
185 |
+-#include <asm/cpufeature.h> |
186 |
++#include <asm/cpufeatures.h> |
187 |
+ #include <asm/processor-flags.h> |
188 |
+ |
189 |
+ struct cpu_features { |
190 |
+diff --git a/arch/x86/boot/mkcpustr.c b/arch/x86/boot/mkcpustr.c |
191 |
+index 637097e66a62..f72498dc90d2 100644 |
192 |
+--- a/arch/x86/boot/mkcpustr.c |
193 |
++++ b/arch/x86/boot/mkcpustr.c |
194 |
+@@ -17,7 +17,7 @@ |
195 |
+ |
196 |
+ #include "../include/asm/required-features.h" |
197 |
+ #include "../include/asm/disabled-features.h" |
198 |
+-#include "../include/asm/cpufeature.h" |
199 |
++#include "../include/asm/cpufeatures.h" |
200 |
+ #include "../kernel/cpu/capflags.c" |
201 |
+ |
202 |
+ int main(void) |
203 |
+diff --git a/arch/x86/crypto/crc32-pclmul_glue.c b/arch/x86/crypto/crc32-pclmul_glue.c |
204 |
+index 07d2c6c86a54..27226df3f7d8 100644 |
205 |
+--- a/arch/x86/crypto/crc32-pclmul_glue.c |
206 |
++++ b/arch/x86/crypto/crc32-pclmul_glue.c |
207 |
+@@ -33,7 +33,7 @@ |
208 |
+ #include <linux/crc32.h> |
209 |
+ #include <crypto/internal/hash.h> |
210 |
+ |
211 |
+-#include <asm/cpufeature.h> |
212 |
++#include <asm/cpufeatures.h> |
213 |
+ #include <asm/cpu_device_id.h> |
214 |
+ #include <asm/fpu/api.h> |
215 |
+ |
216 |
+diff --git a/arch/x86/crypto/crc32c-intel_glue.c b/arch/x86/crypto/crc32c-intel_glue.c |
217 |
+index 15f5c7675d42..715399b14ed7 100644 |
218 |
+--- a/arch/x86/crypto/crc32c-intel_glue.c |
219 |
++++ b/arch/x86/crypto/crc32c-intel_glue.c |
220 |
+@@ -30,7 +30,7 @@ |
221 |
+ #include <linux/kernel.h> |
222 |
+ #include <crypto/internal/hash.h> |
223 |
+ |
224 |
+-#include <asm/cpufeature.h> |
225 |
++#include <asm/cpufeatures.h> |
226 |
+ #include <asm/cpu_device_id.h> |
227 |
+ #include <asm/fpu/internal.h> |
228 |
+ |
229 |
+diff --git a/arch/x86/crypto/crct10dif-pclmul_glue.c b/arch/x86/crypto/crct10dif-pclmul_glue.c |
230 |
+index a3fcfc97a311..cd4df9322501 100644 |
231 |
+--- a/arch/x86/crypto/crct10dif-pclmul_glue.c |
232 |
++++ b/arch/x86/crypto/crct10dif-pclmul_glue.c |
233 |
+@@ -30,7 +30,7 @@ |
234 |
+ #include <linux/string.h> |
235 |
+ #include <linux/kernel.h> |
236 |
+ #include <asm/fpu/api.h> |
237 |
+-#include <asm/cpufeature.h> |
238 |
++#include <asm/cpufeatures.h> |
239 |
+ #include <asm/cpu_device_id.h> |
240 |
+ |
241 |
+ asmlinkage __u16 crc_t10dif_pcl(__u16 crc, const unsigned char *buf, |
242 |
+diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c |
243 |
+index b5eb1cca70a0..071582a3b5c0 100644 |
244 |
+--- a/arch/x86/entry/common.c |
245 |
++++ b/arch/x86/entry/common.c |
246 |
+@@ -27,6 +27,7 @@ |
247 |
+ #include <asm/traps.h> |
248 |
+ #include <asm/vdso.h> |
249 |
+ #include <asm/uaccess.h> |
250 |
++#include <asm/cpufeature.h> |
251 |
+ |
252 |
+ #define CREATE_TRACE_POINTS |
253 |
+ #include <trace/events/syscalls.h> |
254 |
+diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S |
255 |
+index d437f3871e53..49a8c9f7a379 100644 |
256 |
+--- a/arch/x86/entry/entry_32.S |
257 |
++++ b/arch/x86/entry/entry_32.S |
258 |
+@@ -40,7 +40,7 @@ |
259 |
+ #include <asm/processor-flags.h> |
260 |
+ #include <asm/ftrace.h> |
261 |
+ #include <asm/irq_vectors.h> |
262 |
+-#include <asm/cpufeature.h> |
263 |
++#include <asm/cpufeatures.h> |
264 |
+ #include <asm/alternative-asm.h> |
265 |
+ #include <asm/asm.h> |
266 |
+ #include <asm/smap.h> |
267 |
+diff --git a/arch/x86/entry/vdso/vdso32-setup.c b/arch/x86/entry/vdso/vdso32-setup.c |
268 |
+index a7508d7e20b7..3f9d1a83891a 100644 |
269 |
+--- a/arch/x86/entry/vdso/vdso32-setup.c |
270 |
++++ b/arch/x86/entry/vdso/vdso32-setup.c |
271 |
+@@ -11,7 +11,6 @@ |
272 |
+ #include <linux/kernel.h> |
273 |
+ #include <linux/mm_types.h> |
274 |
+ |
275 |
+-#include <asm/cpufeature.h> |
276 |
+ #include <asm/processor.h> |
277 |
+ #include <asm/vdso.h> |
278 |
+ |
279 |
+diff --git a/arch/x86/entry/vdso/vdso32/system_call.S b/arch/x86/entry/vdso/vdso32/system_call.S |
280 |
+index 3a1d9297074b..0109ac6cb79c 100644 |
281 |
+--- a/arch/x86/entry/vdso/vdso32/system_call.S |
282 |
++++ b/arch/x86/entry/vdso/vdso32/system_call.S |
283 |
+@@ -3,7 +3,7 @@ |
284 |
+ */ |
285 |
+ |
286 |
+ #include <asm/dwarf2.h> |
287 |
+-#include <asm/cpufeature.h> |
288 |
++#include <asm/cpufeatures.h> |
289 |
+ #include <asm/alternative-asm.h> |
290 |
+ |
291 |
+ /* |
292 |
+diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c |
293 |
+index b8f69e264ac4..6b46648588d8 100644 |
294 |
+--- a/arch/x86/entry/vdso/vma.c |
295 |
++++ b/arch/x86/entry/vdso/vma.c |
296 |
+@@ -20,6 +20,7 @@ |
297 |
+ #include <asm/page.h> |
298 |
+ #include <asm/hpet.h> |
299 |
+ #include <asm/desc.h> |
300 |
++#include <asm/cpufeature.h> |
301 |
+ |
302 |
+ #if defined(CONFIG_X86_64) |
303 |
+ unsigned int __read_mostly vdso64_enabled = 1; |
304 |
+@@ -254,7 +255,7 @@ static void vgetcpu_cpu_init(void *arg) |
305 |
+ #ifdef CONFIG_NUMA |
306 |
+ node = cpu_to_node(cpu); |
307 |
+ #endif |
308 |
+- if (cpu_has(&cpu_data(cpu), X86_FEATURE_RDTSCP)) |
309 |
++ if (static_cpu_has(X86_FEATURE_RDTSCP)) |
310 |
+ write_rdtscp_aux((node << 12) | cpu); |
311 |
+ |
312 |
+ /* |
313 |
+diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h |
314 |
+index 215ea9214215..002fcd901f07 100644 |
315 |
+--- a/arch/x86/include/asm/alternative.h |
316 |
++++ b/arch/x86/include/asm/alternative.h |
317 |
+@@ -153,12 +153,6 @@ static inline int alternatives_text_reserved(void *start, void *end) |
318 |
+ ALTINSTR_REPLACEMENT(newinstr2, feature2, 2) \ |
319 |
+ ".popsection\n" |
320 |
+ |
321 |
+-/* |
322 |
+- * This must be included *after* the definition of ALTERNATIVE due to |
323 |
+- * <asm/arch_hweight.h> |
324 |
+- */ |
325 |
+-#include <asm/cpufeature.h> |
326 |
+- |
327 |
+ /* |
328 |
+ * Alternative instructions for different CPU types or capabilities. |
329 |
+ * |
330 |
+diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h |
331 |
+index 163769d82475..fd810a57ab1b 100644 |
332 |
+--- a/arch/x86/include/asm/apic.h |
333 |
++++ b/arch/x86/include/asm/apic.h |
334 |
+@@ -6,7 +6,6 @@ |
335 |
+ |
336 |
+ #include <asm/alternative.h> |
337 |
+ #include <asm/cpufeature.h> |
338 |
+-#include <asm/processor.h> |
339 |
+ #include <asm/apicdef.h> |
340 |
+ #include <linux/atomic.h> |
341 |
+ #include <asm/fixmap.h> |
342 |
+diff --git a/arch/x86/include/asm/arch_hweight.h b/arch/x86/include/asm/arch_hweight.h |
343 |
+index 44f825c80ed5..e7cd63175de4 100644 |
344 |
+--- a/arch/x86/include/asm/arch_hweight.h |
345 |
++++ b/arch/x86/include/asm/arch_hweight.h |
346 |
+@@ -1,6 +1,8 @@ |
347 |
+ #ifndef _ASM_X86_HWEIGHT_H |
348 |
+ #define _ASM_X86_HWEIGHT_H |
349 |
+ |
350 |
++#include <asm/cpufeatures.h> |
351 |
++ |
352 |
+ #ifdef CONFIG_64BIT |
353 |
+ /* popcnt %edi, %eax */ |
354 |
+ #define POPCNT32 ".byte 0xf3,0x0f,0xb8,0xc7" |
355 |
+diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h |
356 |
+index ae5fb83e6d91..3e8674288198 100644 |
357 |
+--- a/arch/x86/include/asm/atomic.h |
358 |
++++ b/arch/x86/include/asm/atomic.h |
359 |
+@@ -3,7 +3,6 @@ |
360 |
+ |
361 |
+ #include <linux/compiler.h> |
362 |
+ #include <linux/types.h> |
363 |
+-#include <asm/processor.h> |
364 |
+ #include <asm/alternative.h> |
365 |
+ #include <asm/cmpxchg.h> |
366 |
+ #include <asm/rmwcc.h> |
367 |
+diff --git a/arch/x86/include/asm/atomic64_32.h b/arch/x86/include/asm/atomic64_32.h |
368 |
+index a11c30b77fb5..a984111135b1 100644 |
369 |
+--- a/arch/x86/include/asm/atomic64_32.h |
370 |
++++ b/arch/x86/include/asm/atomic64_32.h |
371 |
+@@ -3,7 +3,6 @@ |
372 |
+ |
373 |
+ #include <linux/compiler.h> |
374 |
+ #include <linux/types.h> |
375 |
+-#include <asm/processor.h> |
376 |
+ //#include <asm/cmpxchg.h> |
377 |
+ |
378 |
+ /* An 64bit atomic type */ |
379 |
+diff --git a/arch/x86/include/asm/cmpxchg.h b/arch/x86/include/asm/cmpxchg.h |
380 |
+index ad19841eddfe..9733361fed6f 100644 |
381 |
+--- a/arch/x86/include/asm/cmpxchg.h |
382 |
++++ b/arch/x86/include/asm/cmpxchg.h |
383 |
+@@ -2,6 +2,7 @@ |
384 |
+ #define ASM_X86_CMPXCHG_H |
385 |
+ |
386 |
+ #include <linux/compiler.h> |
387 |
++#include <asm/cpufeatures.h> |
388 |
+ #include <asm/alternative.h> /* Provides LOCK_PREFIX */ |
389 |
+ |
390 |
+ /* |
391 |
+diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h |
392 |
+index 232621c5e859..dd0089841a0f 100644 |
393 |
+--- a/arch/x86/include/asm/cpufeature.h |
394 |
++++ b/arch/x86/include/asm/cpufeature.h |
395 |
+@@ -1,294 +1,35 @@ |
396 |
+-/* |
397 |
+- * Defines x86 CPU feature bits |
398 |
+- */ |
399 |
+ #ifndef _ASM_X86_CPUFEATURE_H |
400 |
+ #define _ASM_X86_CPUFEATURE_H |
401 |
+ |
402 |
+-#ifndef _ASM_X86_REQUIRED_FEATURES_H |
403 |
+-#include <asm/required-features.h> |
404 |
+-#endif |
405 |
+- |
406 |
+-#ifndef _ASM_X86_DISABLED_FEATURES_H |
407 |
+-#include <asm/disabled-features.h> |
408 |
+-#endif |
409 |
+- |
410 |
+-#define NCAPINTS 14 /* N 32-bit words worth of info */ |
411 |
+-#define NBUGINTS 1 /* N 32-bit bug flags */ |
412 |
+- |
413 |
+-/* |
414 |
+- * Note: If the comment begins with a quoted string, that string is used |
415 |
+- * in /proc/cpuinfo instead of the macro name. If the string is "", |
416 |
+- * this feature bit is not displayed in /proc/cpuinfo at all. |
417 |
+- */ |
418 |
+- |
419 |
+-/* Intel-defined CPU features, CPUID level 0x00000001 (edx), word 0 */ |
420 |
+-#define X86_FEATURE_FPU ( 0*32+ 0) /* Onboard FPU */ |
421 |
+-#define X86_FEATURE_VME ( 0*32+ 1) /* Virtual Mode Extensions */ |
422 |
+-#define X86_FEATURE_DE ( 0*32+ 2) /* Debugging Extensions */ |
423 |
+-#define X86_FEATURE_PSE ( 0*32+ 3) /* Page Size Extensions */ |
424 |
+-#define X86_FEATURE_TSC ( 0*32+ 4) /* Time Stamp Counter */ |
425 |
+-#define X86_FEATURE_MSR ( 0*32+ 5) /* Model-Specific Registers */ |
426 |
+-#define X86_FEATURE_PAE ( 0*32+ 6) /* Physical Address Extensions */ |
427 |
+-#define X86_FEATURE_MCE ( 0*32+ 7) /* Machine Check Exception */ |
428 |
+-#define X86_FEATURE_CX8 ( 0*32+ 8) /* CMPXCHG8 instruction */ |
429 |
+-#define X86_FEATURE_APIC ( 0*32+ 9) /* Onboard APIC */ |
430 |
+-#define X86_FEATURE_SEP ( 0*32+11) /* SYSENTER/SYSEXIT */ |
431 |
+-#define X86_FEATURE_MTRR ( 0*32+12) /* Memory Type Range Registers */ |
432 |
+-#define X86_FEATURE_PGE ( 0*32+13) /* Page Global Enable */ |
433 |
+-#define X86_FEATURE_MCA ( 0*32+14) /* Machine Check Architecture */ |
434 |
+-#define X86_FEATURE_CMOV ( 0*32+15) /* CMOV instructions */ |
435 |
+- /* (plus FCMOVcc, FCOMI with FPU) */ |
436 |
+-#define X86_FEATURE_PAT ( 0*32+16) /* Page Attribute Table */ |
437 |
+-#define X86_FEATURE_PSE36 ( 0*32+17) /* 36-bit PSEs */ |
438 |
+-#define X86_FEATURE_PN ( 0*32+18) /* Processor serial number */ |
439 |
+-#define X86_FEATURE_CLFLUSH ( 0*32+19) /* CLFLUSH instruction */ |
440 |
+-#define X86_FEATURE_DS ( 0*32+21) /* "dts" Debug Store */ |
441 |
+-#define X86_FEATURE_ACPI ( 0*32+22) /* ACPI via MSR */ |
442 |
+-#define X86_FEATURE_MMX ( 0*32+23) /* Multimedia Extensions */ |
443 |
+-#define X86_FEATURE_FXSR ( 0*32+24) /* FXSAVE/FXRSTOR, CR4.OSFXSR */ |
444 |
+-#define X86_FEATURE_XMM ( 0*32+25) /* "sse" */ |
445 |
+-#define X86_FEATURE_XMM2 ( 0*32+26) /* "sse2" */ |
446 |
+-#define X86_FEATURE_SELFSNOOP ( 0*32+27) /* "ss" CPU self snoop */ |
447 |
+-#define X86_FEATURE_HT ( 0*32+28) /* Hyper-Threading */ |
448 |
+-#define X86_FEATURE_ACC ( 0*32+29) /* "tm" Automatic clock control */ |
449 |
+-#define X86_FEATURE_IA64 ( 0*32+30) /* IA-64 processor */ |
450 |
+-#define X86_FEATURE_PBE ( 0*32+31) /* Pending Break Enable */ |
451 |
+- |
452 |
+-/* AMD-defined CPU features, CPUID level 0x80000001, word 1 */ |
453 |
+-/* Don't duplicate feature flags which are redundant with Intel! */ |
454 |
+-#define X86_FEATURE_SYSCALL ( 1*32+11) /* SYSCALL/SYSRET */ |
455 |
+-#define X86_FEATURE_MP ( 1*32+19) /* MP Capable. */ |
456 |
+-#define X86_FEATURE_NX ( 1*32+20) /* Execute Disable */ |
457 |
+-#define X86_FEATURE_MMXEXT ( 1*32+22) /* AMD MMX extensions */ |
458 |
+-#define X86_FEATURE_FXSR_OPT ( 1*32+25) /* FXSAVE/FXRSTOR optimizations */ |
459 |
+-#define X86_FEATURE_GBPAGES ( 1*32+26) /* "pdpe1gb" GB pages */ |
460 |
+-#define X86_FEATURE_RDTSCP ( 1*32+27) /* RDTSCP */ |
461 |
+-#define X86_FEATURE_LM ( 1*32+29) /* Long Mode (x86-64) */ |
462 |
+-#define X86_FEATURE_3DNOWEXT ( 1*32+30) /* AMD 3DNow! extensions */ |
463 |
+-#define X86_FEATURE_3DNOW ( 1*32+31) /* 3DNow! */ |
464 |
+- |
465 |
+-/* Transmeta-defined CPU features, CPUID level 0x80860001, word 2 */ |
466 |
+-#define X86_FEATURE_RECOVERY ( 2*32+ 0) /* CPU in recovery mode */ |
467 |
+-#define X86_FEATURE_LONGRUN ( 2*32+ 1) /* Longrun power control */ |
468 |
+-#define X86_FEATURE_LRTI ( 2*32+ 3) /* LongRun table interface */ |
469 |
+- |
470 |
+-/* Other features, Linux-defined mapping, word 3 */ |
471 |
+-/* This range is used for feature bits which conflict or are synthesized */ |
472 |
+-#define X86_FEATURE_CXMMX ( 3*32+ 0) /* Cyrix MMX extensions */ |
473 |
+-#define X86_FEATURE_K6_MTRR ( 3*32+ 1) /* AMD K6 nonstandard MTRRs */ |
474 |
+-#define X86_FEATURE_CYRIX_ARR ( 3*32+ 2) /* Cyrix ARRs (= MTRRs) */ |
475 |
+-#define X86_FEATURE_CENTAUR_MCR ( 3*32+ 3) /* Centaur MCRs (= MTRRs) */ |
476 |
+-/* cpu types for specific tunings: */ |
477 |
+-#define X86_FEATURE_K8 ( 3*32+ 4) /* "" Opteron, Athlon64 */ |
478 |
+-#define X86_FEATURE_K7 ( 3*32+ 5) /* "" Athlon */ |
479 |
+-#define X86_FEATURE_P3 ( 3*32+ 6) /* "" P3 */ |
480 |
+-#define X86_FEATURE_P4 ( 3*32+ 7) /* "" P4 */ |
481 |
+-#define X86_FEATURE_CONSTANT_TSC ( 3*32+ 8) /* TSC ticks at a constant rate */ |
482 |
+-#define X86_FEATURE_UP ( 3*32+ 9) /* smp kernel running on up */ |
483 |
+-/* free, was #define X86_FEATURE_FXSAVE_LEAK ( 3*32+10) * "" FXSAVE leaks FOP/FIP/FOP */ |
484 |
+-#define X86_FEATURE_ARCH_PERFMON ( 3*32+11) /* Intel Architectural PerfMon */ |
485 |
+-#define X86_FEATURE_PEBS ( 3*32+12) /* Precise-Event Based Sampling */ |
486 |
+-#define X86_FEATURE_BTS ( 3*32+13) /* Branch Trace Store */ |
487 |
+-#define X86_FEATURE_SYSCALL32 ( 3*32+14) /* "" syscall in ia32 userspace */ |
488 |
+-#define X86_FEATURE_SYSENTER32 ( 3*32+15) /* "" sysenter in ia32 userspace */ |
489 |
+-#define X86_FEATURE_REP_GOOD ( 3*32+16) /* rep microcode works well */ |
490 |
+-#define X86_FEATURE_MFENCE_RDTSC ( 3*32+17) /* "" Mfence synchronizes RDTSC */ |
491 |
+-#define X86_FEATURE_LFENCE_RDTSC ( 3*32+18) /* "" Lfence synchronizes RDTSC */ |
492 |
+-/* free, was #define X86_FEATURE_11AP ( 3*32+19) * "" Bad local APIC aka 11AP */ |
493 |
+-#define X86_FEATURE_NOPL ( 3*32+20) /* The NOPL (0F 1F) instructions */ |
494 |
+-#define X86_FEATURE_ALWAYS ( 3*32+21) /* "" Always-present feature */ |
495 |
+-#define X86_FEATURE_XTOPOLOGY ( 3*32+22) /* cpu topology enum extensions */ |
496 |
+-#define X86_FEATURE_TSC_RELIABLE ( 3*32+23) /* TSC is known to be reliable */ |
497 |
+-#define X86_FEATURE_NONSTOP_TSC ( 3*32+24) /* TSC does not stop in C states */ |
498 |
+-/* free, was #define X86_FEATURE_CLFLUSH_MONITOR ( 3*32+25) * "" clflush reqd with monitor */ |
499 |
+-#define X86_FEATURE_EXTD_APICID ( 3*32+26) /* has extended APICID (8 bits) */ |
500 |
+-#define X86_FEATURE_AMD_DCM ( 3*32+27) /* multi-node processor */ |
501 |
+-#define X86_FEATURE_APERFMPERF ( 3*32+28) /* APERFMPERF */ |
502 |
+-/* free, was #define X86_FEATURE_EAGER_FPU ( 3*32+29) * "eagerfpu" Non lazy FPU restore */ |
503 |
+-#define X86_FEATURE_NONSTOP_TSC_S3 ( 3*32+30) /* TSC doesn't stop in S3 state */ |
504 |
+- |
505 |
+-/* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */ |
506 |
+-#define X86_FEATURE_XMM3 ( 4*32+ 0) /* "pni" SSE-3 */ |
507 |
+-#define X86_FEATURE_PCLMULQDQ ( 4*32+ 1) /* PCLMULQDQ instruction */ |
508 |
+-#define X86_FEATURE_DTES64 ( 4*32+ 2) /* 64-bit Debug Store */ |
509 |
+-#define X86_FEATURE_MWAIT ( 4*32+ 3) /* "monitor" Monitor/Mwait support */ |
510 |
+-#define X86_FEATURE_DSCPL ( 4*32+ 4) /* "ds_cpl" CPL Qual. Debug Store */ |
511 |
+-#define X86_FEATURE_VMX ( 4*32+ 5) /* Hardware virtualization */ |
512 |
+-#define X86_FEATURE_SMX ( 4*32+ 6) /* Safer mode */ |
513 |
+-#define X86_FEATURE_EST ( 4*32+ 7) /* Enhanced SpeedStep */ |
514 |
+-#define X86_FEATURE_TM2 ( 4*32+ 8) /* Thermal Monitor 2 */ |
515 |
+-#define X86_FEATURE_SSSE3 ( 4*32+ 9) /* Supplemental SSE-3 */ |
516 |
+-#define X86_FEATURE_CID ( 4*32+10) /* Context ID */ |
517 |
+-#define X86_FEATURE_SDBG ( 4*32+11) /* Silicon Debug */ |
518 |
+-#define X86_FEATURE_FMA ( 4*32+12) /* Fused multiply-add */ |
519 |
+-#define X86_FEATURE_CX16 ( 4*32+13) /* CMPXCHG16B */ |
520 |
+-#define X86_FEATURE_XTPR ( 4*32+14) /* Send Task Priority Messages */ |
521 |
+-#define X86_FEATURE_PDCM ( 4*32+15) /* Performance Capabilities */ |
522 |
+-#define X86_FEATURE_PCID ( 4*32+17) /* Process Context Identifiers */ |
523 |
+-#define X86_FEATURE_DCA ( 4*32+18) /* Direct Cache Access */ |
524 |
+-#define X86_FEATURE_XMM4_1 ( 4*32+19) /* "sse4_1" SSE-4.1 */ |
525 |
+-#define X86_FEATURE_XMM4_2 ( 4*32+20) /* "sse4_2" SSE-4.2 */ |
526 |
+-#define X86_FEATURE_X2APIC ( 4*32+21) /* x2APIC */ |
527 |
+-#define X86_FEATURE_MOVBE ( 4*32+22) /* MOVBE instruction */ |
528 |
+-#define X86_FEATURE_POPCNT ( 4*32+23) /* POPCNT instruction */ |
529 |
+-#define X86_FEATURE_TSC_DEADLINE_TIMER ( 4*32+24) /* Tsc deadline timer */ |
530 |
+-#define X86_FEATURE_AES ( 4*32+25) /* AES instructions */ |
531 |
+-#define X86_FEATURE_XSAVE ( 4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */ |
532 |
+-#define X86_FEATURE_OSXSAVE ( 4*32+27) /* "" XSAVE enabled in the OS */ |
533 |
+-#define X86_FEATURE_AVX ( 4*32+28) /* Advanced Vector Extensions */ |
534 |
+-#define X86_FEATURE_F16C ( 4*32+29) /* 16-bit fp conversions */ |
535 |
+-#define X86_FEATURE_RDRAND ( 4*32+30) /* The RDRAND instruction */ |
536 |
+-#define X86_FEATURE_HYPERVISOR ( 4*32+31) /* Running on a hypervisor */ |
537 |
+- |
538 |
+-/* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */ |
539 |
+-#define X86_FEATURE_XSTORE ( 5*32+ 2) /* "rng" RNG present (xstore) */ |
540 |
+-#define X86_FEATURE_XSTORE_EN ( 5*32+ 3) /* "rng_en" RNG enabled */ |
541 |
+-#define X86_FEATURE_XCRYPT ( 5*32+ 6) /* "ace" on-CPU crypto (xcrypt) */ |
542 |
+-#define X86_FEATURE_XCRYPT_EN ( 5*32+ 7) /* "ace_en" on-CPU crypto enabled */ |
543 |
+-#define X86_FEATURE_ACE2 ( 5*32+ 8) /* Advanced Cryptography Engine v2 */ |
544 |
+-#define X86_FEATURE_ACE2_EN ( 5*32+ 9) /* ACE v2 enabled */ |
545 |
+-#define X86_FEATURE_PHE ( 5*32+10) /* PadLock Hash Engine */ |
546 |
+-#define X86_FEATURE_PHE_EN ( 5*32+11) /* PHE enabled */ |
547 |
+-#define X86_FEATURE_PMM ( 5*32+12) /* PadLock Montgomery Multiplier */ |
548 |
+-#define X86_FEATURE_PMM_EN ( 5*32+13) /* PMM enabled */ |
549 |
+- |
550 |
+-/* More extended AMD flags: CPUID level 0x80000001, ecx, word 6 */ |
551 |
+-#define X86_FEATURE_LAHF_LM ( 6*32+ 0) /* LAHF/SAHF in long mode */ |
552 |
+-#define X86_FEATURE_CMP_LEGACY ( 6*32+ 1) /* If yes HyperThreading not valid */ |
553 |
+-#define X86_FEATURE_SVM ( 6*32+ 2) /* Secure virtual machine */ |
554 |
+-#define X86_FEATURE_EXTAPIC ( 6*32+ 3) /* Extended APIC space */ |
555 |
+-#define X86_FEATURE_CR8_LEGACY ( 6*32+ 4) /* CR8 in 32-bit mode */ |
556 |
+-#define X86_FEATURE_ABM ( 6*32+ 5) /* Advanced bit manipulation */ |
557 |
+-#define X86_FEATURE_SSE4A ( 6*32+ 6) /* SSE-4A */ |
558 |
+-#define X86_FEATURE_MISALIGNSSE ( 6*32+ 7) /* Misaligned SSE mode */ |
559 |
+-#define X86_FEATURE_3DNOWPREFETCH ( 6*32+ 8) /* 3DNow prefetch instructions */ |
560 |
+-#define X86_FEATURE_OSVW ( 6*32+ 9) /* OS Visible Workaround */ |
561 |
+-#define X86_FEATURE_IBS ( 6*32+10) /* Instruction Based Sampling */ |
562 |
+-#define X86_FEATURE_XOP ( 6*32+11) /* extended AVX instructions */ |
563 |
+-#define X86_FEATURE_SKINIT ( 6*32+12) /* SKINIT/STGI instructions */ |
564 |
+-#define X86_FEATURE_WDT ( 6*32+13) /* Watchdog timer */ |
565 |
+-#define X86_FEATURE_LWP ( 6*32+15) /* Light Weight Profiling */ |
566 |
+-#define X86_FEATURE_FMA4 ( 6*32+16) /* 4 operands MAC instructions */ |
567 |
+-#define X86_FEATURE_TCE ( 6*32+17) /* translation cache extension */ |
568 |
+-#define X86_FEATURE_NODEID_MSR ( 6*32+19) /* NodeId MSR */ |
569 |
+-#define X86_FEATURE_TBM ( 6*32+21) /* trailing bit manipulations */ |
570 |
+-#define X86_FEATURE_TOPOEXT ( 6*32+22) /* topology extensions CPUID leafs */ |
571 |
+-#define X86_FEATURE_PERFCTR_CORE ( 6*32+23) /* core performance counter extensions */ |
572 |
+-#define X86_FEATURE_PERFCTR_NB ( 6*32+24) /* NB performance counter extensions */ |
573 |
+-#define X86_FEATURE_BPEXT (6*32+26) /* data breakpoint extension */ |
574 |
+-#define X86_FEATURE_PERFCTR_L2 ( 6*32+28) /* L2 performance counter extensions */ |
575 |
+-#define X86_FEATURE_MWAITX ( 6*32+29) /* MWAIT extension (MONITORX/MWAITX) */ |
576 |
+- |
577 |
+-/* |
578 |
+- * Auxiliary flags: Linux defined - For features scattered in various |
579 |
+- * CPUID levels like 0x6, 0xA etc, word 7 |
580 |
+- */ |
581 |
+-#define X86_FEATURE_IDA ( 7*32+ 0) /* Intel Dynamic Acceleration */ |
582 |
+-#define X86_FEATURE_ARAT ( 7*32+ 1) /* Always Running APIC Timer */ |
583 |
+-#define X86_FEATURE_CPB ( 7*32+ 2) /* AMD Core Performance Boost */ |
584 |
+-#define X86_FEATURE_EPB ( 7*32+ 3) /* IA32_ENERGY_PERF_BIAS support */ |
585 |
+-#define X86_FEATURE_INVPCID_SINGLE ( 7*32+ 4) /* Effectively INVPCID && CR4.PCIDE=1 */ |
586 |
+-#define X86_FEATURE_PLN ( 7*32+ 5) /* Intel Power Limit Notification */ |
587 |
+-#define X86_FEATURE_PTS ( 7*32+ 6) /* Intel Package Thermal Status */ |
588 |
+-#define X86_FEATURE_DTHERM ( 7*32+ 7) /* Digital Thermal Sensor */ |
589 |
+-#define X86_FEATURE_HW_PSTATE ( 7*32+ 8) /* AMD HW-PState */ |
590 |
+-#define X86_FEATURE_PROC_FEEDBACK ( 7*32+ 9) /* AMD ProcFeedbackInterface */ |
591 |
+-#define X86_FEATURE_HWP ( 7*32+ 10) /* "hwp" Intel HWP */ |
592 |
+-#define X86_FEATURE_HWP_NOTIFY ( 7*32+ 11) /* Intel HWP_NOTIFY */ |
593 |
+-#define X86_FEATURE_HWP_ACT_WINDOW ( 7*32+ 12) /* Intel HWP_ACT_WINDOW */ |
594 |
+-#define X86_FEATURE_HWP_EPP ( 7*32+13) /* Intel HWP_EPP */ |
595 |
+-#define X86_FEATURE_HWP_PKG_REQ ( 7*32+14) /* Intel HWP_PKG_REQ */ |
596 |
+-#define X86_FEATURE_INTEL_PT ( 7*32+15) /* Intel Processor Trace */ |
597 |
+-#define X86_FEATURE_RSB_CTXSW ( 7*32+19) /* Fill RSB on context switches */ |
598 |
+- |
599 |
+-#define X86_FEATURE_RETPOLINE ( 7*32+29) /* Generic Retpoline mitigation for Spectre variant 2 */ |
600 |
+-#define X86_FEATURE_RETPOLINE_AMD ( 7*32+30) /* AMD Retpoline mitigation for Spectre variant 2 */ |
601 |
+-/* Because the ALTERNATIVE scheme is for members of the X86_FEATURE club... */ |
602 |
+-#define X86_FEATURE_KAISER ( 7*32+31) /* CONFIG_PAGE_TABLE_ISOLATION w/o nokaiser */ |
603 |
+- |
604 |
+-/* Virtualization flags: Linux defined, word 8 */ |
605 |
+-#define X86_FEATURE_TPR_SHADOW ( 8*32+ 0) /* Intel TPR Shadow */ |
606 |
+-#define X86_FEATURE_VNMI ( 8*32+ 1) /* Intel Virtual NMI */ |
607 |
+-#define X86_FEATURE_FLEXPRIORITY ( 8*32+ 2) /* Intel FlexPriority */ |
608 |
+-#define X86_FEATURE_EPT ( 8*32+ 3) /* Intel Extended Page Table */ |
609 |
+-#define X86_FEATURE_VPID ( 8*32+ 4) /* Intel Virtual Processor ID */ |
610 |
+-#define X86_FEATURE_NPT ( 8*32+ 5) /* AMD Nested Page Table support */ |
611 |
+-#define X86_FEATURE_LBRV ( 8*32+ 6) /* AMD LBR Virtualization support */ |
612 |
+-#define X86_FEATURE_SVML ( 8*32+ 7) /* "svm_lock" AMD SVM locking MSR */ |
613 |
+-#define X86_FEATURE_NRIPS ( 8*32+ 8) /* "nrip_save" AMD SVM next_rip save */ |
614 |
+-#define X86_FEATURE_TSCRATEMSR ( 8*32+ 9) /* "tsc_scale" AMD TSC scaling support */ |
615 |
+-#define X86_FEATURE_VMCBCLEAN ( 8*32+10) /* "vmcb_clean" AMD VMCB clean bits support */ |
616 |
+-#define X86_FEATURE_FLUSHBYASID ( 8*32+11) /* AMD flush-by-ASID support */ |
617 |
+-#define X86_FEATURE_DECODEASSISTS ( 8*32+12) /* AMD Decode Assists support */ |
618 |
+-#define X86_FEATURE_PAUSEFILTER ( 8*32+13) /* AMD filtered pause intercept */ |
619 |
+-#define X86_FEATURE_PFTHRESHOLD ( 8*32+14) /* AMD pause filter threshold */ |
620 |
+-#define X86_FEATURE_VMMCALL ( 8*32+15) /* Prefer vmmcall to vmcall */ |
621 |
+-#define X86_FEATURE_XENPV ( 8*32+16) /* "" Xen paravirtual guest */ |
622 |
+- |
623 |
+- |
624 |
+-/* Intel-defined CPU features, CPUID level 0x00000007:0 (ebx), word 9 */ |
625 |
+-#define X86_FEATURE_FSGSBASE ( 9*32+ 0) /* {RD/WR}{FS/GS}BASE instructions*/ |
626 |
+-#define X86_FEATURE_TSC_ADJUST ( 9*32+ 1) /* TSC adjustment MSR 0x3b */ |
627 |
+-#define X86_FEATURE_BMI1 ( 9*32+ 3) /* 1st group bit manipulation extensions */ |
628 |
+-#define X86_FEATURE_HLE ( 9*32+ 4) /* Hardware Lock Elision */ |
629 |
+-#define X86_FEATURE_AVX2 ( 9*32+ 5) /* AVX2 instructions */ |
630 |
+-#define X86_FEATURE_SMEP ( 9*32+ 7) /* Supervisor Mode Execution Protection */ |
631 |
+-#define X86_FEATURE_BMI2 ( 9*32+ 8) /* 2nd group bit manipulation extensions */ |
632 |
+-#define X86_FEATURE_ERMS ( 9*32+ 9) /* Enhanced REP MOVSB/STOSB */ |
633 |
+-#define X86_FEATURE_INVPCID ( 9*32+10) /* Invalidate Processor Context ID */ |
634 |
+-#define X86_FEATURE_RTM ( 9*32+11) /* Restricted Transactional Memory */ |
635 |
+-#define X86_FEATURE_CQM ( 9*32+12) /* Cache QoS Monitoring */ |
636 |
+-#define X86_FEATURE_MPX ( 9*32+14) /* Memory Protection Extension */ |
637 |
+-#define X86_FEATURE_AVX512F ( 9*32+16) /* AVX-512 Foundation */ |
638 |
+-#define X86_FEATURE_RDSEED ( 9*32+18) /* The RDSEED instruction */ |
639 |
+-#define X86_FEATURE_ADX ( 9*32+19) /* The ADCX and ADOX instructions */ |
640 |
+-#define X86_FEATURE_SMAP ( 9*32+20) /* Supervisor Mode Access Prevention */ |
641 |
+-#define X86_FEATURE_PCOMMIT ( 9*32+22) /* PCOMMIT instruction */ |
642 |
+-#define X86_FEATURE_CLFLUSHOPT ( 9*32+23) /* CLFLUSHOPT instruction */ |
643 |
+-#define X86_FEATURE_CLWB ( 9*32+24) /* CLWB instruction */ |
644 |
+-#define X86_FEATURE_AVX512PF ( 9*32+26) /* AVX-512 Prefetch */ |
645 |
+-#define X86_FEATURE_AVX512ER ( 9*32+27) /* AVX-512 Exponential and Reciprocal */ |
646 |
+-#define X86_FEATURE_AVX512CD ( 9*32+28) /* AVX-512 Conflict Detection */ |
647 |
+-#define X86_FEATURE_SHA_NI ( 9*32+29) /* SHA1/SHA256 Instruction Extensions */ |
648 |
+- |
649 |
+-/* Extended state features, CPUID level 0x0000000d:1 (eax), word 10 */ |
650 |
+-#define X86_FEATURE_XSAVEOPT (10*32+ 0) /* XSAVEOPT */ |
651 |
+-#define X86_FEATURE_XSAVEC (10*32+ 1) /* XSAVEC */ |
652 |
+-#define X86_FEATURE_XGETBV1 (10*32+ 2) /* XGETBV with ECX = 1 */ |
653 |
+-#define X86_FEATURE_XSAVES (10*32+ 3) /* XSAVES/XRSTORS */ |
654 |
+- |
655 |
+-/* Intel-defined CPU QoS Sub-leaf, CPUID level 0x0000000F:0 (edx), word 11 */ |
656 |
+-#define X86_FEATURE_CQM_LLC (11*32+ 1) /* LLC QoS if 1 */ |
657 |
+- |
658 |
+-/* Intel-defined CPU QoS Sub-leaf, CPUID level 0x0000000F:1 (edx), word 12 */ |
659 |
+-#define X86_FEATURE_CQM_OCCUP_LLC (12*32+ 0) /* LLC occupancy monitoring if 1 */ |
660 |
+- |
661 |
+-/* AMD-defined CPU features, CPUID level 0x80000008 (ebx), word 13 */ |
662 |
+-#define X86_FEATURE_CLZERO (13*32+0) /* CLZERO instruction */ |
663 |
+- |
664 |
+-/* |
665 |
+- * BUG word(s) |
666 |
+- */ |
667 |
+-#define X86_BUG(x) (NCAPINTS*32 + (x)) |
668 |
+- |
669 |
+-#define X86_BUG_F00F X86_BUG(0) /* Intel F00F */ |
670 |
+-#define X86_BUG_FDIV X86_BUG(1) /* FPU FDIV */ |
671 |
+-#define X86_BUG_COMA X86_BUG(2) /* Cyrix 6x86 coma */ |
672 |
+-#define X86_BUG_AMD_TLB_MMATCH X86_BUG(3) /* "tlb_mmatch" AMD Erratum 383 */ |
673 |
+-#define X86_BUG_AMD_APIC_C1E X86_BUG(4) /* "apic_c1e" AMD Erratum 400 */ |
674 |
+-#define X86_BUG_11AP X86_BUG(5) /* Bad local APIC aka 11AP */ |
675 |
+-#define X86_BUG_FXSAVE_LEAK X86_BUG(6) /* FXSAVE leaks FOP/FIP/FOP */ |
676 |
+-#define X86_BUG_CLFLUSH_MONITOR X86_BUG(7) /* AAI65, CLFLUSH required before MONITOR */ |
677 |
+-#define X86_BUG_SYSRET_SS_ATTRS X86_BUG(8) /* SYSRET doesn't fix up SS attrs */ |
678 |
+-#define X86_BUG_CPU_MELTDOWN X86_BUG(14) /* CPU is affected by meltdown attack and needs kernel page table isolation */ |
679 |
+-#define X86_BUG_SPECTRE_V1 X86_BUG(15) /* CPU is affected by Spectre variant 1 attack with conditional branches */ |
680 |
+-#define X86_BUG_SPECTRE_V2 X86_BUG(16) /* CPU is affected by Spectre variant 2 attack with indirect branches */ |
681 |
++#include <asm/processor.h> |
682 |
+ |
683 |
+ #if defined(__KERNEL__) && !defined(__ASSEMBLY__) |
684 |
+ |
685 |
+ #include <asm/asm.h> |
686 |
+ #include <linux/bitops.h> |
687 |
+ |
688 |
++enum cpuid_leafs |
689 |
++{ |
690 |
++ CPUID_1_EDX = 0, |
691 |
++ CPUID_8000_0001_EDX, |
692 |
++ CPUID_8086_0001_EDX, |
693 |
++ CPUID_LNX_1, |
694 |
++ CPUID_1_ECX, |
695 |
++ CPUID_C000_0001_EDX, |
696 |
++ CPUID_8000_0001_ECX, |
697 |
++ CPUID_LNX_2, |
698 |
++ CPUID_LNX_3, |
699 |
++ CPUID_7_0_EBX, |
700 |
++ CPUID_D_1_EAX, |
701 |
++ CPUID_F_0_EDX, |
702 |
++ CPUID_F_1_EDX, |
703 |
++ CPUID_8000_0008_EBX, |
704 |
++ CPUID_6_EAX, |
705 |
++ CPUID_8000_000A_EDX, |
706 |
++ CPUID_7_ECX, |
707 |
++ CPUID_8000_0007_EBX, |
708 |
++}; |
709 |
++ |
710 |
+ #ifdef CONFIG_X86_FEATURE_NAMES |
711 |
+ extern const char * const x86_cap_flags[NCAPINTS*32]; |
712 |
+ extern const char * const x86_power_flags[32]; |
713 |
+@@ -308,29 +49,59 @@ extern const char * const x86_bug_flags[NBUGINTS*32]; |
714 |
+ #define test_cpu_cap(c, bit) \ |
715 |
+ test_bit(bit, (unsigned long *)((c)->x86_capability)) |
716 |
+ |
717 |
+-#define REQUIRED_MASK_BIT_SET(bit) \ |
718 |
+- ( (((bit)>>5)==0 && (1UL<<((bit)&31) & REQUIRED_MASK0)) || \ |
719 |
+- (((bit)>>5)==1 && (1UL<<((bit)&31) & REQUIRED_MASK1)) || \ |
720 |
+- (((bit)>>5)==2 && (1UL<<((bit)&31) & REQUIRED_MASK2)) || \ |
721 |
+- (((bit)>>5)==3 && (1UL<<((bit)&31) & REQUIRED_MASK3)) || \ |
722 |
+- (((bit)>>5)==4 && (1UL<<((bit)&31) & REQUIRED_MASK4)) || \ |
723 |
+- (((bit)>>5)==5 && (1UL<<((bit)&31) & REQUIRED_MASK5)) || \ |
724 |
+- (((bit)>>5)==6 && (1UL<<((bit)&31) & REQUIRED_MASK6)) || \ |
725 |
+- (((bit)>>5)==7 && (1UL<<((bit)&31) & REQUIRED_MASK7)) || \ |
726 |
+- (((bit)>>5)==8 && (1UL<<((bit)&31) & REQUIRED_MASK8)) || \ |
727 |
+- (((bit)>>5)==9 && (1UL<<((bit)&31) & REQUIRED_MASK9)) ) |
728 |
+- |
729 |
+-#define DISABLED_MASK_BIT_SET(bit) \ |
730 |
+- ( (((bit)>>5)==0 && (1UL<<((bit)&31) & DISABLED_MASK0)) || \ |
731 |
+- (((bit)>>5)==1 && (1UL<<((bit)&31) & DISABLED_MASK1)) || \ |
732 |
+- (((bit)>>5)==2 && (1UL<<((bit)&31) & DISABLED_MASK2)) || \ |
733 |
+- (((bit)>>5)==3 && (1UL<<((bit)&31) & DISABLED_MASK3)) || \ |
734 |
+- (((bit)>>5)==4 && (1UL<<((bit)&31) & DISABLED_MASK4)) || \ |
735 |
+- (((bit)>>5)==5 && (1UL<<((bit)&31) & DISABLED_MASK5)) || \ |
736 |
+- (((bit)>>5)==6 && (1UL<<((bit)&31) & DISABLED_MASK6)) || \ |
737 |
+- (((bit)>>5)==7 && (1UL<<((bit)&31) & DISABLED_MASK7)) || \ |
738 |
+- (((bit)>>5)==8 && (1UL<<((bit)&31) & DISABLED_MASK8)) || \ |
739 |
+- (((bit)>>5)==9 && (1UL<<((bit)&31) & DISABLED_MASK9)) ) |
740 |
++/* |
741 |
++ * There are 32 bits/features in each mask word. The high bits |
742 |
++ * (selected with (bit>>5) give us the word number and the low 5 |
743 |
++ * bits give us the bit/feature number inside the word. |
744 |
++ * (1UL<<((bit)&31) gives us a mask for the feature_bit so we can |
745 |
++ * see if it is set in the mask word. |
746 |
++ */ |
747 |
++#define CHECK_BIT_IN_MASK_WORD(maskname, word, bit) \ |
748 |
++ (((bit)>>5)==(word) && (1UL<<((bit)&31) & maskname##word )) |
749 |
++ |
750 |
++#define REQUIRED_MASK_BIT_SET(feature_bit) \ |
751 |
++ ( CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 0, feature_bit) || \ |
752 |
++ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 1, feature_bit) || \ |
753 |
++ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 2, feature_bit) || \ |
754 |
++ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 3, feature_bit) || \ |
755 |
++ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 4, feature_bit) || \ |
756 |
++ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 5, feature_bit) || \ |
757 |
++ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 6, feature_bit) || \ |
758 |
++ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 7, feature_bit) || \ |
759 |
++ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 8, feature_bit) || \ |
760 |
++ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 9, feature_bit) || \ |
761 |
++ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 10, feature_bit) || \ |
762 |
++ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 11, feature_bit) || \ |
763 |
++ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 12, feature_bit) || \ |
764 |
++ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 13, feature_bit) || \ |
765 |
++ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 14, feature_bit) || \ |
766 |
++ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 15, feature_bit) || \ |
767 |
++ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 16, feature_bit) || \ |
768 |
++ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 17, feature_bit) || \ |
769 |
++ REQUIRED_MASK_CHECK || \ |
770 |
++ BUILD_BUG_ON_ZERO(NCAPINTS != 18)) |
771 |
++ |
772 |
++#define DISABLED_MASK_BIT_SET(feature_bit) \ |
773 |
++ ( CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 0, feature_bit) || \ |
774 |
++ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 1, feature_bit) || \ |
775 |
++ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 2, feature_bit) || \ |
776 |
++ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 3, feature_bit) || \ |
777 |
++ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 4, feature_bit) || \ |
778 |
++ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 5, feature_bit) || \ |
779 |
++ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 6, feature_bit) || \ |
780 |
++ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 7, feature_bit) || \ |
781 |
++ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 8, feature_bit) || \ |
782 |
++ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 9, feature_bit) || \ |
783 |
++ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 10, feature_bit) || \ |
784 |
++ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 11, feature_bit) || \ |
785 |
++ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 12, feature_bit) || \ |
786 |
++ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 13, feature_bit) || \ |
787 |
++ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 14, feature_bit) || \ |
788 |
++ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 15, feature_bit) || \ |
789 |
++ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 16, feature_bit) || \ |
790 |
++ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 17, feature_bit) || \ |
791 |
++ DISABLED_MASK_CHECK || \ |
792 |
++ BUILD_BUG_ON_ZERO(NCAPINTS != 18)) |
793 |
+ |
794 |
+ #define cpu_has(c, bit) \ |
795 |
+ (__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 : \ |
796 |
+@@ -349,8 +120,7 @@ extern const char * const x86_bug_flags[NBUGINTS*32]; |
797 |
+ * is not relevant. |
798 |
+ */ |
799 |
+ #define cpu_feature_enabled(bit) \ |
800 |
+- (__builtin_constant_p(bit) && DISABLED_MASK_BIT_SET(bit) ? 0 : \ |
801 |
+- cpu_has(&boot_cpu_data, bit)) |
802 |
++ (__builtin_constant_p(bit) && DISABLED_MASK_BIT_SET(bit) ? 0 : static_cpu_has(bit)) |
803 |
+ |
804 |
+ #define boot_cpu_has(bit) cpu_has(&boot_cpu_data, bit) |
805 |
+ |
806 |
+@@ -388,106 +158,19 @@ extern const char * const x86_bug_flags[NBUGINTS*32]; |
807 |
+ #define cpu_has_osxsave boot_cpu_has(X86_FEATURE_OSXSAVE) |
808 |
+ #define cpu_has_hypervisor boot_cpu_has(X86_FEATURE_HYPERVISOR) |
809 |
+ /* |
810 |
+- * Do not add any more of those clumsy macros - use static_cpu_has_safe() for |
811 |
++ * Do not add any more of those clumsy macros - use static_cpu_has() for |
812 |
+ * fast paths and boot_cpu_has() otherwise! |
813 |
+ */ |
814 |
+ |
815 |
+-#if __GNUC__ >= 4 |
816 |
+-extern void warn_pre_alternatives(void); |
817 |
+-extern bool __static_cpu_has_safe(u16 bit); |
818 |
+- |
819 |
++#if defined(CC_HAVE_ASM_GOTO) && defined(CONFIG_X86_FAST_FEATURE_TESTS) |
820 |
+ /* |
821 |
+ * Static testing of CPU features. Used the same as boot_cpu_has(). |
822 |
+- * These are only valid after alternatives have run, but will statically |
823 |
+- * patch the target code for additional performance. |
824 |
++ * These will statically patch the target code for additional |
825 |
++ * performance. |
826 |
+ */ |
827 |
+-static __always_inline __pure bool __static_cpu_has(u16 bit) |
828 |
+-{ |
829 |
+-#ifdef CC_HAVE_ASM_GOTO |
830 |
+- |
831 |
+-#ifdef CONFIG_X86_DEBUG_STATIC_CPU_HAS |
832 |
+- |
833 |
+- /* |
834 |
+- * Catch too early usage of this before alternatives |
835 |
+- * have run. |
836 |
+- */ |
837 |
+- asm_volatile_goto("1: jmp %l[t_warn]\n" |
838 |
+- "2:\n" |
839 |
+- ".section .altinstructions,\"a\"\n" |
840 |
+- " .long 1b - .\n" |
841 |
+- " .long 0\n" /* no replacement */ |
842 |
+- " .word %P0\n" /* 1: do replace */ |
843 |
+- " .byte 2b - 1b\n" /* source len */ |
844 |
+- " .byte 0\n" /* replacement len */ |
845 |
+- " .byte 0\n" /* pad len */ |
846 |
+- ".previous\n" |
847 |
+- /* skipping size check since replacement size = 0 */ |
848 |
+- : : "i" (X86_FEATURE_ALWAYS) : : t_warn); |
849 |
+- |
850 |
+-#endif |
851 |
+- |
852 |
+- asm_volatile_goto("1: jmp %l[t_no]\n" |
853 |
+- "2:\n" |
854 |
+- ".section .altinstructions,\"a\"\n" |
855 |
+- " .long 1b - .\n" |
856 |
+- " .long 0\n" /* no replacement */ |
857 |
+- " .word %P0\n" /* feature bit */ |
858 |
+- " .byte 2b - 1b\n" /* source len */ |
859 |
+- " .byte 0\n" /* replacement len */ |
860 |
+- " .byte 0\n" /* pad len */ |
861 |
+- ".previous\n" |
862 |
+- /* skipping size check since replacement size = 0 */ |
863 |
+- : : "i" (bit) : : t_no); |
864 |
+- return true; |
865 |
+- t_no: |
866 |
+- return false; |
867 |
+- |
868 |
+-#ifdef CONFIG_X86_DEBUG_STATIC_CPU_HAS |
869 |
+- t_warn: |
870 |
+- warn_pre_alternatives(); |
871 |
+- return false; |
872 |
+-#endif |
873 |
+- |
874 |
+-#else /* CC_HAVE_ASM_GOTO */ |
875 |
+- |
876 |
+- u8 flag; |
877 |
+- /* Open-coded due to __stringify() in ALTERNATIVE() */ |
878 |
+- asm volatile("1: movb $0,%0\n" |
879 |
+- "2:\n" |
880 |
+- ".section .altinstructions,\"a\"\n" |
881 |
+- " .long 1b - .\n" |
882 |
+- " .long 3f - .\n" |
883 |
+- " .word %P1\n" /* feature bit */ |
884 |
+- " .byte 2b - 1b\n" /* source len */ |
885 |
+- " .byte 4f - 3f\n" /* replacement len */ |
886 |
+- " .byte 0\n" /* pad len */ |
887 |
+- ".previous\n" |
888 |
+- ".section .discard,\"aw\",@progbits\n" |
889 |
+- " .byte 0xff + (4f-3f) - (2b-1b)\n" /* size check */ |
890 |
+- ".previous\n" |
891 |
+- ".section .altinstr_replacement,\"ax\"\n" |
892 |
+- "3: movb $1,%0\n" |
893 |
+- "4:\n" |
894 |
+- ".previous\n" |
895 |
+- : "=qm" (flag) : "i" (bit)); |
896 |
+- return flag; |
897 |
+- |
898 |
+-#endif /* CC_HAVE_ASM_GOTO */ |
899 |
+-} |
900 |
+- |
901 |
+-#define static_cpu_has(bit) \ |
902 |
+-( \ |
903 |
+- __builtin_constant_p(boot_cpu_has(bit)) ? \ |
904 |
+- boot_cpu_has(bit) : \ |
905 |
+- __builtin_constant_p(bit) ? \ |
906 |
+- __static_cpu_has(bit) : \ |
907 |
+- boot_cpu_has(bit) \ |
908 |
+-) |
909 |
+- |
910 |
+-static __always_inline __pure bool _static_cpu_has_safe(u16 bit) |
911 |
++static __always_inline __pure bool _static_cpu_has(u16 bit) |
912 |
+ { |
913 |
+-#ifdef CC_HAVE_ASM_GOTO |
914 |
+- asm_volatile_goto("1: jmp %l[t_dynamic]\n" |
915 |
++ asm_volatile_goto("1: jmp 6f\n" |
916 |
+ "2:\n" |
917 |
+ ".skip -(((5f-4f) - (2b-1b)) > 0) * " |
918 |
+ "((5f-4f) - (2b-1b)),0x90\n" |
919 |
+@@ -512,66 +195,34 @@ static __always_inline __pure bool _static_cpu_has_safe(u16 bit) |
920 |
+ " .byte 0\n" /* repl len */ |
921 |
+ " .byte 0\n" /* pad len */ |
922 |
+ ".previous\n" |
923 |
+- : : "i" (bit), "i" (X86_FEATURE_ALWAYS) |
924 |
+- : : t_dynamic, t_no); |
925 |
++ ".section .altinstr_aux,\"ax\"\n" |
926 |
++ "6:\n" |
927 |
++ " testb %[bitnum],%[cap_byte]\n" |
928 |
++ " jnz %l[t_yes]\n" |
929 |
++ " jmp %l[t_no]\n" |
930 |
++ ".previous\n" |
931 |
++ : : "i" (bit), "i" (X86_FEATURE_ALWAYS), |
932 |
++ [bitnum] "i" (1 << (bit & 7)), |
933 |
++ [cap_byte] "m" (((const char *)boot_cpu_data.x86_capability)[bit >> 3]) |
934 |
++ : : t_yes, t_no); |
935 |
++ t_yes: |
936 |
+ return true; |
937 |
+ t_no: |
938 |
+ return false; |
939 |
+- t_dynamic: |
940 |
+- return __static_cpu_has_safe(bit); |
941 |
+-#else |
942 |
+- u8 flag; |
943 |
+- /* Open-coded due to __stringify() in ALTERNATIVE() */ |
944 |
+- asm volatile("1: movb $2,%0\n" |
945 |
+- "2:\n" |
946 |
+- ".section .altinstructions,\"a\"\n" |
947 |
+- " .long 1b - .\n" /* src offset */ |
948 |
+- " .long 3f - .\n" /* repl offset */ |
949 |
+- " .word %P2\n" /* always replace */ |
950 |
+- " .byte 2b - 1b\n" /* source len */ |
951 |
+- " .byte 4f - 3f\n" /* replacement len */ |
952 |
+- " .byte 0\n" /* pad len */ |
953 |
+- ".previous\n" |
954 |
+- ".section .discard,\"aw\",@progbits\n" |
955 |
+- " .byte 0xff + (4f-3f) - (2b-1b)\n" /* size check */ |
956 |
+- ".previous\n" |
957 |
+- ".section .altinstr_replacement,\"ax\"\n" |
958 |
+- "3: movb $0,%0\n" |
959 |
+- "4:\n" |
960 |
+- ".previous\n" |
961 |
+- ".section .altinstructions,\"a\"\n" |
962 |
+- " .long 1b - .\n" /* src offset */ |
963 |
+- " .long 5f - .\n" /* repl offset */ |
964 |
+- " .word %P1\n" /* feature bit */ |
965 |
+- " .byte 4b - 3b\n" /* src len */ |
966 |
+- " .byte 6f - 5f\n" /* repl len */ |
967 |
+- " .byte 0\n" /* pad len */ |
968 |
+- ".previous\n" |
969 |
+- ".section .discard,\"aw\",@progbits\n" |
970 |
+- " .byte 0xff + (6f-5f) - (4b-3b)\n" /* size check */ |
971 |
+- ".previous\n" |
972 |
+- ".section .altinstr_replacement,\"ax\"\n" |
973 |
+- "5: movb $1,%0\n" |
974 |
+- "6:\n" |
975 |
+- ".previous\n" |
976 |
+- : "=qm" (flag) |
977 |
+- : "i" (bit), "i" (X86_FEATURE_ALWAYS)); |
978 |
+- return (flag == 2 ? __static_cpu_has_safe(bit) : flag); |
979 |
+-#endif /* CC_HAVE_ASM_GOTO */ |
980 |
+ } |
981 |
+ |
982 |
+-#define static_cpu_has_safe(bit) \ |
983 |
++#define static_cpu_has(bit) \ |
984 |
+ ( \ |
985 |
+ __builtin_constant_p(boot_cpu_has(bit)) ? \ |
986 |
+ boot_cpu_has(bit) : \ |
987 |
+- _static_cpu_has_safe(bit) \ |
988 |
++ _static_cpu_has(bit) \ |
989 |
+ ) |
990 |
+ #else |
991 |
+ /* |
992 |
+- * gcc 3.x is too stupid to do the static test; fall back to dynamic. |
993 |
++ * Fall back to dynamic for gcc versions which don't support asm goto. Should be |
994 |
++ * a minority now anyway. |
995 |
+ */ |
996 |
+ #define static_cpu_has(bit) boot_cpu_has(bit) |
997 |
+-#define static_cpu_has_safe(bit) boot_cpu_has(bit) |
998 |
+ #endif |
999 |
+ |
1000 |
+ #define cpu_has_bug(c, bit) cpu_has(c, (bit)) |
1001 |
+@@ -579,7 +230,6 @@ static __always_inline __pure bool _static_cpu_has_safe(u16 bit) |
1002 |
+ #define clear_cpu_bug(c, bit) clear_cpu_cap(c, (bit)) |
1003 |
+ |
1004 |
+ #define static_cpu_has_bug(bit) static_cpu_has((bit)) |
1005 |
+-#define static_cpu_has_bug_safe(bit) static_cpu_has_safe((bit)) |
1006 |
+ #define boot_cpu_has_bug(bit) cpu_has_bug(&boot_cpu_data, (bit)) |
1007 |
+ |
1008 |
+ #define MAX_CPU_FEATURES (NCAPINTS * 32) |
1009 |
+diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h |
1010 |
+new file mode 100644 |
1011 |
+index 000000000000..205ce70c1d6c |
1012 |
+--- /dev/null |
1013 |
++++ b/arch/x86/include/asm/cpufeatures.h |
1014 |
+@@ -0,0 +1,306 @@ |
1015 |
++#ifndef _ASM_X86_CPUFEATURES_H |
1016 |
++#define _ASM_X86_CPUFEATURES_H |
1017 |
++ |
1018 |
++#ifndef _ASM_X86_REQUIRED_FEATURES_H |
1019 |
++#include <asm/required-features.h> |
1020 |
++#endif |
1021 |
++ |
1022 |
++#ifndef _ASM_X86_DISABLED_FEATURES_H |
1023 |
++#include <asm/disabled-features.h> |
1024 |
++#endif |
1025 |
++ |
1026 |
++/* |
1027 |
++ * Defines x86 CPU feature bits |
1028 |
++ */ |
1029 |
++#define NCAPINTS 18 /* N 32-bit words worth of info */ |
1030 |
++#define NBUGINTS 1 /* N 32-bit bug flags */ |
1031 |
++ |
1032 |
++/* |
1033 |
++ * Note: If the comment begins with a quoted string, that string is used |
1034 |
++ * in /proc/cpuinfo instead of the macro name. If the string is "", |
1035 |
++ * this feature bit is not displayed in /proc/cpuinfo at all. |
1036 |
++ */ |
1037 |
++ |
1038 |
++/* Intel-defined CPU features, CPUID level 0x00000001 (edx), word 0 */ |
1039 |
++#define X86_FEATURE_FPU ( 0*32+ 0) /* Onboard FPU */ |
1040 |
++#define X86_FEATURE_VME ( 0*32+ 1) /* Virtual Mode Extensions */ |
1041 |
++#define X86_FEATURE_DE ( 0*32+ 2) /* Debugging Extensions */ |
1042 |
++#define X86_FEATURE_PSE ( 0*32+ 3) /* Page Size Extensions */ |
1043 |
++#define X86_FEATURE_TSC ( 0*32+ 4) /* Time Stamp Counter */ |
1044 |
++#define X86_FEATURE_MSR ( 0*32+ 5) /* Model-Specific Registers */ |
1045 |
++#define X86_FEATURE_PAE ( 0*32+ 6) /* Physical Address Extensions */ |
1046 |
++#define X86_FEATURE_MCE ( 0*32+ 7) /* Machine Check Exception */ |
1047 |
++#define X86_FEATURE_CX8 ( 0*32+ 8) /* CMPXCHG8 instruction */ |
1048 |
++#define X86_FEATURE_APIC ( 0*32+ 9) /* Onboard APIC */ |
1049 |
++#define X86_FEATURE_SEP ( 0*32+11) /* SYSENTER/SYSEXIT */ |
1050 |
++#define X86_FEATURE_MTRR ( 0*32+12) /* Memory Type Range Registers */ |
1051 |
++#define X86_FEATURE_PGE ( 0*32+13) /* Page Global Enable */ |
1052 |
++#define X86_FEATURE_MCA ( 0*32+14) /* Machine Check Architecture */ |
1053 |
++#define X86_FEATURE_CMOV ( 0*32+15) /* CMOV instructions */ |
1054 |
++ /* (plus FCMOVcc, FCOMI with FPU) */ |
1055 |
++#define X86_FEATURE_PAT ( 0*32+16) /* Page Attribute Table */ |
1056 |
++#define X86_FEATURE_PSE36 ( 0*32+17) /* 36-bit PSEs */ |
1057 |
++#define X86_FEATURE_PN ( 0*32+18) /* Processor serial number */ |
1058 |
++#define X86_FEATURE_CLFLUSH ( 0*32+19) /* CLFLUSH instruction */ |
1059 |
++#define X86_FEATURE_DS ( 0*32+21) /* "dts" Debug Store */ |
1060 |
++#define X86_FEATURE_ACPI ( 0*32+22) /* ACPI via MSR */ |
1061 |
++#define X86_FEATURE_MMX ( 0*32+23) /* Multimedia Extensions */ |
1062 |
++#define X86_FEATURE_FXSR ( 0*32+24) /* FXSAVE/FXRSTOR, CR4.OSFXSR */ |
1063 |
++#define X86_FEATURE_XMM ( 0*32+25) /* "sse" */ |
1064 |
++#define X86_FEATURE_XMM2 ( 0*32+26) /* "sse2" */ |
1065 |
++#define X86_FEATURE_SELFSNOOP ( 0*32+27) /* "ss" CPU self snoop */ |
1066 |
++#define X86_FEATURE_HT ( 0*32+28) /* Hyper-Threading */ |
1067 |
++#define X86_FEATURE_ACC ( 0*32+29) /* "tm" Automatic clock control */ |
1068 |
++#define X86_FEATURE_IA64 ( 0*32+30) /* IA-64 processor */ |
1069 |
++#define X86_FEATURE_PBE ( 0*32+31) /* Pending Break Enable */ |
1070 |
++ |
1071 |
++/* AMD-defined CPU features, CPUID level 0x80000001, word 1 */ |
1072 |
++/* Don't duplicate feature flags which are redundant with Intel! */ |
1073 |
++#define X86_FEATURE_SYSCALL ( 1*32+11) /* SYSCALL/SYSRET */ |
1074 |
++#define X86_FEATURE_MP ( 1*32+19) /* MP Capable. */ |
1075 |
++#define X86_FEATURE_NX ( 1*32+20) /* Execute Disable */ |
1076 |
++#define X86_FEATURE_MMXEXT ( 1*32+22) /* AMD MMX extensions */ |
1077 |
++#define X86_FEATURE_FXSR_OPT ( 1*32+25) /* FXSAVE/FXRSTOR optimizations */ |
1078 |
++#define X86_FEATURE_GBPAGES ( 1*32+26) /* "pdpe1gb" GB pages */ |
1079 |
++#define X86_FEATURE_RDTSCP ( 1*32+27) /* RDTSCP */ |
1080 |
++#define X86_FEATURE_LM ( 1*32+29) /* Long Mode (x86-64) */ |
1081 |
++#define X86_FEATURE_3DNOWEXT ( 1*32+30) /* AMD 3DNow! extensions */ |
1082 |
++#define X86_FEATURE_3DNOW ( 1*32+31) /* 3DNow! */ |
1083 |
++ |
1084 |
++/* Transmeta-defined CPU features, CPUID level 0x80860001, word 2 */ |
1085 |
++#define X86_FEATURE_RECOVERY ( 2*32+ 0) /* CPU in recovery mode */ |
1086 |
++#define X86_FEATURE_LONGRUN ( 2*32+ 1) /* Longrun power control */ |
1087 |
++#define X86_FEATURE_LRTI ( 2*32+ 3) /* LongRun table interface */ |
1088 |
++ |
1089 |
++/* Other features, Linux-defined mapping, word 3 */ |
1090 |
++/* This range is used for feature bits which conflict or are synthesized */ |
1091 |
++#define X86_FEATURE_CXMMX ( 3*32+ 0) /* Cyrix MMX extensions */ |
1092 |
++#define X86_FEATURE_K6_MTRR ( 3*32+ 1) /* AMD K6 nonstandard MTRRs */ |
1093 |
++#define X86_FEATURE_CYRIX_ARR ( 3*32+ 2) /* Cyrix ARRs (= MTRRs) */ |
1094 |
++#define X86_FEATURE_CENTAUR_MCR ( 3*32+ 3) /* Centaur MCRs (= MTRRs) */ |
1095 |
++/* cpu types for specific tunings: */ |
1096 |
++#define X86_FEATURE_K8 ( 3*32+ 4) /* "" Opteron, Athlon64 */ |
1097 |
++#define X86_FEATURE_K7 ( 3*32+ 5) /* "" Athlon */ |
1098 |
++#define X86_FEATURE_P3 ( 3*32+ 6) /* "" P3 */ |
1099 |
++#define X86_FEATURE_P4 ( 3*32+ 7) /* "" P4 */ |
1100 |
++#define X86_FEATURE_CONSTANT_TSC ( 3*32+ 8) /* TSC ticks at a constant rate */ |
1101 |
++#define X86_FEATURE_UP ( 3*32+ 9) /* smp kernel running on up */ |
1102 |
++/* free, was #define X86_FEATURE_FXSAVE_LEAK ( 3*32+10) * "" FXSAVE leaks FOP/FIP/FOP */ |
1103 |
++#define X86_FEATURE_ARCH_PERFMON ( 3*32+11) /* Intel Architectural PerfMon */ |
1104 |
++#define X86_FEATURE_PEBS ( 3*32+12) /* Precise-Event Based Sampling */ |
1105 |
++#define X86_FEATURE_BTS ( 3*32+13) /* Branch Trace Store */ |
1106 |
++#define X86_FEATURE_SYSCALL32 ( 3*32+14) /* "" syscall in ia32 userspace */ |
1107 |
++#define X86_FEATURE_SYSENTER32 ( 3*32+15) /* "" sysenter in ia32 userspace */ |
1108 |
++#define X86_FEATURE_REP_GOOD ( 3*32+16) /* rep microcode works well */ |
1109 |
++#define X86_FEATURE_MFENCE_RDTSC ( 3*32+17) /* "" Mfence synchronizes RDTSC */ |
1110 |
++#define X86_FEATURE_LFENCE_RDTSC ( 3*32+18) /* "" Lfence synchronizes RDTSC */ |
1111 |
++/* free, was #define X86_FEATURE_11AP ( 3*32+19) * "" Bad local APIC aka 11AP */ |
1112 |
++#define X86_FEATURE_NOPL ( 3*32+20) /* The NOPL (0F 1F) instructions */ |
1113 |
++#define X86_FEATURE_ALWAYS ( 3*32+21) /* "" Always-present feature */ |
1114 |
++#define X86_FEATURE_XTOPOLOGY ( 3*32+22) /* cpu topology enum extensions */ |
1115 |
++#define X86_FEATURE_TSC_RELIABLE ( 3*32+23) /* TSC is known to be reliable */ |
1116 |
++#define X86_FEATURE_NONSTOP_TSC ( 3*32+24) /* TSC does not stop in C states */ |
1117 |
++/* free, was #define X86_FEATURE_CLFLUSH_MONITOR ( 3*32+25) * "" clflush reqd with monitor */ |
1118 |
++#define X86_FEATURE_EXTD_APICID ( 3*32+26) /* has extended APICID (8 bits) */ |
1119 |
++#define X86_FEATURE_AMD_DCM ( 3*32+27) /* multi-node processor */ |
1120 |
++#define X86_FEATURE_APERFMPERF ( 3*32+28) /* APERFMPERF */ |
1121 |
++/* free, was #define X86_FEATURE_EAGER_FPU ( 3*32+29) * "eagerfpu" Non lazy FPU restore */ |
1122 |
++#define X86_FEATURE_NONSTOP_TSC_S3 ( 3*32+30) /* TSC doesn't stop in S3 state */ |
1123 |
++ |
1124 |
++/* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */ |
1125 |
++#define X86_FEATURE_XMM3 ( 4*32+ 0) /* "pni" SSE-3 */ |
1126 |
++#define X86_FEATURE_PCLMULQDQ ( 4*32+ 1) /* PCLMULQDQ instruction */ |
1127 |
++#define X86_FEATURE_DTES64 ( 4*32+ 2) /* 64-bit Debug Store */ |
1128 |
++#define X86_FEATURE_MWAIT ( 4*32+ 3) /* "monitor" Monitor/Mwait support */ |
1129 |
++#define X86_FEATURE_DSCPL ( 4*32+ 4) /* "ds_cpl" CPL Qual. Debug Store */ |
1130 |
++#define X86_FEATURE_VMX ( 4*32+ 5) /* Hardware virtualization */ |
1131 |
++#define X86_FEATURE_SMX ( 4*32+ 6) /* Safer mode */ |
1132 |
++#define X86_FEATURE_EST ( 4*32+ 7) /* Enhanced SpeedStep */ |
1133 |
++#define X86_FEATURE_TM2 ( 4*32+ 8) /* Thermal Monitor 2 */ |
1134 |
++#define X86_FEATURE_SSSE3 ( 4*32+ 9) /* Supplemental SSE-3 */ |
1135 |
++#define X86_FEATURE_CID ( 4*32+10) /* Context ID */ |
1136 |
++#define X86_FEATURE_SDBG ( 4*32+11) /* Silicon Debug */ |
1137 |
++#define X86_FEATURE_FMA ( 4*32+12) /* Fused multiply-add */ |
1138 |
++#define X86_FEATURE_CX16 ( 4*32+13) /* CMPXCHG16B */ |
1139 |
++#define X86_FEATURE_XTPR ( 4*32+14) /* Send Task Priority Messages */ |
1140 |
++#define X86_FEATURE_PDCM ( 4*32+15) /* Performance Capabilities */ |
1141 |
++#define X86_FEATURE_PCID ( 4*32+17) /* Process Context Identifiers */ |
1142 |
++#define X86_FEATURE_DCA ( 4*32+18) /* Direct Cache Access */ |
1143 |
++#define X86_FEATURE_XMM4_1 ( 4*32+19) /* "sse4_1" SSE-4.1 */ |
1144 |
++#define X86_FEATURE_XMM4_2 ( 4*32+20) /* "sse4_2" SSE-4.2 */ |
1145 |
++#define X86_FEATURE_X2APIC ( 4*32+21) /* x2APIC */ |
1146 |
++#define X86_FEATURE_MOVBE ( 4*32+22) /* MOVBE instruction */ |
1147 |
++#define X86_FEATURE_POPCNT ( 4*32+23) /* POPCNT instruction */ |
1148 |
++#define X86_FEATURE_TSC_DEADLINE_TIMER ( 4*32+24) /* Tsc deadline timer */ |
1149 |
++#define X86_FEATURE_AES ( 4*32+25) /* AES instructions */ |
1150 |
++#define X86_FEATURE_XSAVE ( 4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */ |
1151 |
++#define X86_FEATURE_OSXSAVE ( 4*32+27) /* "" XSAVE enabled in the OS */ |
1152 |
++#define X86_FEATURE_AVX ( 4*32+28) /* Advanced Vector Extensions */ |
1153 |
++#define X86_FEATURE_F16C ( 4*32+29) /* 16-bit fp conversions */ |
1154 |
++#define X86_FEATURE_RDRAND ( 4*32+30) /* The RDRAND instruction */ |
1155 |
++#define X86_FEATURE_HYPERVISOR ( 4*32+31) /* Running on a hypervisor */ |
1156 |
++ |
1157 |
++/* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */ |
1158 |
++#define X86_FEATURE_XSTORE ( 5*32+ 2) /* "rng" RNG present (xstore) */ |
1159 |
++#define X86_FEATURE_XSTORE_EN ( 5*32+ 3) /* "rng_en" RNG enabled */ |
1160 |
++#define X86_FEATURE_XCRYPT ( 5*32+ 6) /* "ace" on-CPU crypto (xcrypt) */ |
1161 |
++#define X86_FEATURE_XCRYPT_EN ( 5*32+ 7) /* "ace_en" on-CPU crypto enabled */ |
1162 |
++#define X86_FEATURE_ACE2 ( 5*32+ 8) /* Advanced Cryptography Engine v2 */ |
1163 |
++#define X86_FEATURE_ACE2_EN ( 5*32+ 9) /* ACE v2 enabled */ |
1164 |
++#define X86_FEATURE_PHE ( 5*32+10) /* PadLock Hash Engine */ |
1165 |
++#define X86_FEATURE_PHE_EN ( 5*32+11) /* PHE enabled */ |
1166 |
++#define X86_FEATURE_PMM ( 5*32+12) /* PadLock Montgomery Multiplier */ |
1167 |
++#define X86_FEATURE_PMM_EN ( 5*32+13) /* PMM enabled */ |
1168 |
++ |
1169 |
++/* More extended AMD flags: CPUID level 0x80000001, ecx, word 6 */ |
1170 |
++#define X86_FEATURE_LAHF_LM ( 6*32+ 0) /* LAHF/SAHF in long mode */ |
1171 |
++#define X86_FEATURE_CMP_LEGACY ( 6*32+ 1) /* If yes HyperThreading not valid */ |
1172 |
++#define X86_FEATURE_SVM ( 6*32+ 2) /* Secure virtual machine */ |
1173 |
++#define X86_FEATURE_EXTAPIC ( 6*32+ 3) /* Extended APIC space */ |
1174 |
++#define X86_FEATURE_CR8_LEGACY ( 6*32+ 4) /* CR8 in 32-bit mode */ |
1175 |
++#define X86_FEATURE_ABM ( 6*32+ 5) /* Advanced bit manipulation */ |
1176 |
++#define X86_FEATURE_SSE4A ( 6*32+ 6) /* SSE-4A */ |
1177 |
++#define X86_FEATURE_MISALIGNSSE ( 6*32+ 7) /* Misaligned SSE mode */ |
1178 |
++#define X86_FEATURE_3DNOWPREFETCH ( 6*32+ 8) /* 3DNow prefetch instructions */ |
1179 |
++#define X86_FEATURE_OSVW ( 6*32+ 9) /* OS Visible Workaround */ |
1180 |
++#define X86_FEATURE_IBS ( 6*32+10) /* Instruction Based Sampling */ |
1181 |
++#define X86_FEATURE_XOP ( 6*32+11) /* extended AVX instructions */ |
1182 |
++#define X86_FEATURE_SKINIT ( 6*32+12) /* SKINIT/STGI instructions */ |
1183 |
++#define X86_FEATURE_WDT ( 6*32+13) /* Watchdog timer */ |
1184 |
++#define X86_FEATURE_LWP ( 6*32+15) /* Light Weight Profiling */ |
1185 |
++#define X86_FEATURE_FMA4 ( 6*32+16) /* 4 operands MAC instructions */ |
1186 |
++#define X86_FEATURE_TCE ( 6*32+17) /* translation cache extension */ |
1187 |
++#define X86_FEATURE_NODEID_MSR ( 6*32+19) /* NodeId MSR */ |
1188 |
++#define X86_FEATURE_TBM ( 6*32+21) /* trailing bit manipulations */ |
1189 |
++#define X86_FEATURE_TOPOEXT ( 6*32+22) /* topology extensions CPUID leafs */ |
1190 |
++#define X86_FEATURE_PERFCTR_CORE ( 6*32+23) /* core performance counter extensions */ |
1191 |
++#define X86_FEATURE_PERFCTR_NB ( 6*32+24) /* NB performance counter extensions */ |
1192 |
++#define X86_FEATURE_BPEXT (6*32+26) /* data breakpoint extension */ |
1193 |
++#define X86_FEATURE_PERFCTR_L2 ( 6*32+28) /* L2 performance counter extensions */ |
1194 |
++#define X86_FEATURE_MWAITX ( 6*32+29) /* MWAIT extension (MONITORX/MWAITX) */ |
1195 |
++ |
1196 |
++/* |
1197 |
++ * Auxiliary flags: Linux defined - For features scattered in various |
1198 |
++ * CPUID levels like 0x6, 0xA etc, word 7. |
1199 |
++ * |
1200 |
++ * Reuse free bits when adding new feature flags! |
1201 |
++ */ |
1202 |
++ |
1203 |
++#define X86_FEATURE_CPB ( 7*32+ 2) /* AMD Core Performance Boost */ |
1204 |
++#define X86_FEATURE_EPB ( 7*32+ 3) /* IA32_ENERGY_PERF_BIAS support */ |
1205 |
++#define X86_FEATURE_INVPCID_SINGLE ( 7*32+ 4) /* Effectively INVPCID && CR4.PCIDE=1 */ |
1206 |
++ |
1207 |
++#define X86_FEATURE_HW_PSTATE ( 7*32+ 8) /* AMD HW-PState */ |
1208 |
++#define X86_FEATURE_PROC_FEEDBACK ( 7*32+ 9) /* AMD ProcFeedbackInterface */ |
1209 |
++ |
1210 |
++#define X86_FEATURE_INTEL_PT ( 7*32+15) /* Intel Processor Trace */ |
1211 |
++#define X86_FEATURE_RSB_CTXSW ( 7*32+19) /* Fill RSB on context switches */ |
1212 |
++ |
1213 |
++#define X86_FEATURE_RETPOLINE ( 7*32+29) /* Generic Retpoline mitigation for Spectre variant 2 */ |
1214 |
++#define X86_FEATURE_RETPOLINE_AMD ( 7*32+30) /* AMD Retpoline mitigation for Spectre variant 2 */ |
1215 |
++/* Because the ALTERNATIVE scheme is for members of the X86_FEATURE club... */ |
1216 |
++#define X86_FEATURE_KAISER ( 7*32+31) /* CONFIG_PAGE_TABLE_ISOLATION w/o nokaiser */ |
1217 |
++ |
1218 |
++/* Virtualization flags: Linux defined, word 8 */ |
1219 |
++#define X86_FEATURE_TPR_SHADOW ( 8*32+ 0) /* Intel TPR Shadow */ |
1220 |
++#define X86_FEATURE_VNMI ( 8*32+ 1) /* Intel Virtual NMI */ |
1221 |
++#define X86_FEATURE_FLEXPRIORITY ( 8*32+ 2) /* Intel FlexPriority */ |
1222 |
++#define X86_FEATURE_EPT ( 8*32+ 3) /* Intel Extended Page Table */ |
1223 |
++#define X86_FEATURE_VPID ( 8*32+ 4) /* Intel Virtual Processor ID */ |
1224 |
++ |
1225 |
++#define X86_FEATURE_VMMCALL ( 8*32+15) /* Prefer vmmcall to vmcall */ |
1226 |
++#define X86_FEATURE_XENPV ( 8*32+16) /* "" Xen paravirtual guest */ |
1227 |
++ |
1228 |
++ |
1229 |
++/* Intel-defined CPU features, CPUID level 0x00000007:0 (ebx), word 9 */ |
1230 |
++#define X86_FEATURE_FSGSBASE ( 9*32+ 0) /* {RD/WR}{FS/GS}BASE instructions*/ |
1231 |
++#define X86_FEATURE_TSC_ADJUST ( 9*32+ 1) /* TSC adjustment MSR 0x3b */ |
1232 |
++#define X86_FEATURE_BMI1 ( 9*32+ 3) /* 1st group bit manipulation extensions */ |
1233 |
++#define X86_FEATURE_HLE ( 9*32+ 4) /* Hardware Lock Elision */ |
1234 |
++#define X86_FEATURE_AVX2 ( 9*32+ 5) /* AVX2 instructions */ |
1235 |
++#define X86_FEATURE_SMEP ( 9*32+ 7) /* Supervisor Mode Execution Protection */ |
1236 |
++#define X86_FEATURE_BMI2 ( 9*32+ 8) /* 2nd group bit manipulation extensions */ |
1237 |
++#define X86_FEATURE_ERMS ( 9*32+ 9) /* Enhanced REP MOVSB/STOSB */ |
1238 |
++#define X86_FEATURE_INVPCID ( 9*32+10) /* Invalidate Processor Context ID */ |
1239 |
++#define X86_FEATURE_RTM ( 9*32+11) /* Restricted Transactional Memory */ |
1240 |
++#define X86_FEATURE_CQM ( 9*32+12) /* Cache QoS Monitoring */ |
1241 |
++#define X86_FEATURE_MPX ( 9*32+14) /* Memory Protection Extension */ |
1242 |
++#define X86_FEATURE_AVX512F ( 9*32+16) /* AVX-512 Foundation */ |
1243 |
++#define X86_FEATURE_RDSEED ( 9*32+18) /* The RDSEED instruction */ |
1244 |
++#define X86_FEATURE_ADX ( 9*32+19) /* The ADCX and ADOX instructions */ |
1245 |
++#define X86_FEATURE_SMAP ( 9*32+20) /* Supervisor Mode Access Prevention */ |
1246 |
++#define X86_FEATURE_PCOMMIT ( 9*32+22) /* PCOMMIT instruction */ |
1247 |
++#define X86_FEATURE_CLFLUSHOPT ( 9*32+23) /* CLFLUSHOPT instruction */ |
1248 |
++#define X86_FEATURE_CLWB ( 9*32+24) /* CLWB instruction */ |
1249 |
++#define X86_FEATURE_AVX512PF ( 9*32+26) /* AVX-512 Prefetch */ |
1250 |
++#define X86_FEATURE_AVX512ER ( 9*32+27) /* AVX-512 Exponential and Reciprocal */ |
1251 |
++#define X86_FEATURE_AVX512CD ( 9*32+28) /* AVX-512 Conflict Detection */ |
1252 |
++#define X86_FEATURE_SHA_NI ( 9*32+29) /* SHA1/SHA256 Instruction Extensions */ |
1253 |
++ |
1254 |
++/* Extended state features, CPUID level 0x0000000d:1 (eax), word 10 */ |
1255 |
++#define X86_FEATURE_XSAVEOPT (10*32+ 0) /* XSAVEOPT */ |
1256 |
++#define X86_FEATURE_XSAVEC (10*32+ 1) /* XSAVEC */ |
1257 |
++#define X86_FEATURE_XGETBV1 (10*32+ 2) /* XGETBV with ECX = 1 */ |
1258 |
++#define X86_FEATURE_XSAVES (10*32+ 3) /* XSAVES/XRSTORS */ |
1259 |
++ |
1260 |
++/* Intel-defined CPU QoS Sub-leaf, CPUID level 0x0000000F:0 (edx), word 11 */ |
1261 |
++#define X86_FEATURE_CQM_LLC (11*32+ 1) /* LLC QoS if 1 */ |
1262 |
++ |
1263 |
++/* Intel-defined CPU QoS Sub-leaf, CPUID level 0x0000000F:1 (edx), word 12 */ |
1264 |
++#define X86_FEATURE_CQM_OCCUP_LLC (12*32+ 0) /* LLC occupancy monitoring if 1 */ |
1265 |
++ |
1266 |
++/* AMD-defined CPU features, CPUID level 0x80000008 (ebx), word 13 */ |
1267 |
++#define X86_FEATURE_CLZERO (13*32+0) /* CLZERO instruction */ |
1268 |
++ |
1269 |
++/* Thermal and Power Management Leaf, CPUID level 0x00000006 (eax), word 14 */ |
1270 |
++#define X86_FEATURE_DTHERM (14*32+ 0) /* Digital Thermal Sensor */ |
1271 |
++#define X86_FEATURE_IDA (14*32+ 1) /* Intel Dynamic Acceleration */ |
1272 |
++#define X86_FEATURE_ARAT (14*32+ 2) /* Always Running APIC Timer */ |
1273 |
++#define X86_FEATURE_PLN (14*32+ 4) /* Intel Power Limit Notification */ |
1274 |
++#define X86_FEATURE_PTS (14*32+ 6) /* Intel Package Thermal Status */ |
1275 |
++#define X86_FEATURE_HWP (14*32+ 7) /* Intel Hardware P-states */ |
1276 |
++#define X86_FEATURE_HWP_NOTIFY (14*32+ 8) /* HWP Notification */ |
1277 |
++#define X86_FEATURE_HWP_ACT_WINDOW (14*32+ 9) /* HWP Activity Window */ |
1278 |
++#define X86_FEATURE_HWP_EPP (14*32+10) /* HWP Energy Perf. Preference */ |
1279 |
++#define X86_FEATURE_HWP_PKG_REQ (14*32+11) /* HWP Package Level Request */ |
1280 |
++ |
1281 |
++/* AMD SVM Feature Identification, CPUID level 0x8000000a (edx), word 15 */ |
1282 |
++#define X86_FEATURE_NPT (15*32+ 0) /* Nested Page Table support */ |
1283 |
++#define X86_FEATURE_LBRV (15*32+ 1) /* LBR Virtualization support */ |
1284 |
++#define X86_FEATURE_SVML (15*32+ 2) /* "svm_lock" SVM locking MSR */ |
1285 |
++#define X86_FEATURE_NRIPS (15*32+ 3) /* "nrip_save" SVM next_rip save */ |
1286 |
++#define X86_FEATURE_TSCRATEMSR (15*32+ 4) /* "tsc_scale" TSC scaling support */ |
1287 |
++#define X86_FEATURE_VMCBCLEAN (15*32+ 5) /* "vmcb_clean" VMCB clean bits support */ |
1288 |
++#define X86_FEATURE_FLUSHBYASID (15*32+ 6) /* flush-by-ASID support */ |
1289 |
++#define X86_FEATURE_DECODEASSISTS (15*32+ 7) /* Decode Assists support */ |
1290 |
++#define X86_FEATURE_PAUSEFILTER (15*32+10) /* filtered pause intercept */ |
1291 |
++#define X86_FEATURE_PFTHRESHOLD (15*32+12) /* pause filter threshold */ |
1292 |
++ |
1293 |
++/* Intel-defined CPU features, CPUID level 0x00000007:0 (ecx), word 16 */ |
1294 |
++#define X86_FEATURE_PKU (16*32+ 3) /* Protection Keys for Userspace */ |
1295 |
++#define X86_FEATURE_OSPKE (16*32+ 4) /* OS Protection Keys Enable */ |
1296 |
++ |
1297 |
++/* AMD-defined CPU features, CPUID level 0x80000007 (ebx), word 17 */ |
1298 |
++#define X86_FEATURE_OVERFLOW_RECOV (17*32+0) /* MCA overflow recovery support */ |
1299 |
++#define X86_FEATURE_SUCCOR (17*32+1) /* Uncorrectable error containment and recovery */ |
1300 |
++#define X86_FEATURE_SMCA (17*32+3) /* Scalable MCA */ |
1301 |
++ |
1302 |
++/* |
1303 |
++ * BUG word(s) |
1304 |
++ */ |
1305 |
++#define X86_BUG(x) (NCAPINTS*32 + (x)) |
1306 |
++ |
1307 |
++#define X86_BUG_F00F X86_BUG(0) /* Intel F00F */ |
1308 |
++#define X86_BUG_FDIV X86_BUG(1) /* FPU FDIV */ |
1309 |
++#define X86_BUG_COMA X86_BUG(2) /* Cyrix 6x86 coma */ |
1310 |
++#define X86_BUG_AMD_TLB_MMATCH X86_BUG(3) /* "tlb_mmatch" AMD Erratum 383 */ |
1311 |
++#define X86_BUG_AMD_APIC_C1E X86_BUG(4) /* "apic_c1e" AMD Erratum 400 */ |
1312 |
++#define X86_BUG_11AP X86_BUG(5) /* Bad local APIC aka 11AP */ |
1313 |
++#define X86_BUG_FXSAVE_LEAK X86_BUG(6) /* FXSAVE leaks FOP/FIP/FOP */ |
1314 |
++#define X86_BUG_CLFLUSH_MONITOR X86_BUG(7) /* AAI65, CLFLUSH required before MONITOR */ |
1315 |
++#define X86_BUG_SYSRET_SS_ATTRS X86_BUG(8) /* SYSRET doesn't fix up SS attrs */ |
1316 |
++#define X86_BUG_CPU_MELTDOWN X86_BUG(14) /* CPU is affected by meltdown attack and needs kernel page table isolation */ |
1317 |
++#define X86_BUG_SPECTRE_V1 X86_BUG(15) /* CPU is affected by Spectre variant 1 attack with conditional branches */ |
1318 |
++#define X86_BUG_SPECTRE_V2 X86_BUG(16) /* CPU is affected by Spectre variant 2 attack with indirect branches */ |
1319 |
++ |
1320 |
++#endif /* _ASM_X86_CPUFEATURES_H */ |
1321 |
+diff --git a/arch/x86/include/asm/disabled-features.h b/arch/x86/include/asm/disabled-features.h |
1322 |
+index 8b17c2ad1048..21c5ac15657b 100644 |
1323 |
+--- a/arch/x86/include/asm/disabled-features.h |
1324 |
++++ b/arch/x86/include/asm/disabled-features.h |
1325 |
+@@ -30,6 +30,14 @@ |
1326 |
+ # define DISABLE_PCID (1<<(X86_FEATURE_PCID & 31)) |
1327 |
+ #endif /* CONFIG_X86_64 */ |
1328 |
+ |
1329 |
++#ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS |
1330 |
++# define DISABLE_PKU 0 |
1331 |
++# define DISABLE_OSPKE 0 |
1332 |
++#else |
1333 |
++# define DISABLE_PKU (1<<(X86_FEATURE_PKU & 31)) |
1334 |
++# define DISABLE_OSPKE (1<<(X86_FEATURE_OSPKE & 31)) |
1335 |
++#endif /* CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS */ |
1336 |
++ |
1337 |
+ /* |
1338 |
+ * Make sure to add features to the correct mask |
1339 |
+ */ |
1340 |
+@@ -43,5 +51,14 @@ |
1341 |
+ #define DISABLED_MASK7 0 |
1342 |
+ #define DISABLED_MASK8 0 |
1343 |
+ #define DISABLED_MASK9 (DISABLE_MPX) |
1344 |
++#define DISABLED_MASK10 0 |
1345 |
++#define DISABLED_MASK11 0 |
1346 |
++#define DISABLED_MASK12 0 |
1347 |
++#define DISABLED_MASK13 0 |
1348 |
++#define DISABLED_MASK14 0 |
1349 |
++#define DISABLED_MASK15 0 |
1350 |
++#define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE) |
1351 |
++#define DISABLED_MASK17 0 |
1352 |
++#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 18) |
1353 |
+ |
1354 |
+ #endif /* _ASM_X86_DISABLED_FEATURES_H */ |
1355 |
+diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h |
1356 |
+index 146d838e6ee7..ec2aedb6f92a 100644 |
1357 |
+--- a/arch/x86/include/asm/fpu/internal.h |
1358 |
++++ b/arch/x86/include/asm/fpu/internal.h |
1359 |
+@@ -17,6 +17,7 @@ |
1360 |
+ #include <asm/user.h> |
1361 |
+ #include <asm/fpu/api.h> |
1362 |
+ #include <asm/fpu/xstate.h> |
1363 |
++#include <asm/cpufeature.h> |
1364 |
+ |
1365 |
+ /* |
1366 |
+ * High level FPU state handling functions: |
1367 |
+@@ -63,17 +64,17 @@ static __always_inline __pure bool use_eager_fpu(void) |
1368 |
+ |
1369 |
+ static __always_inline __pure bool use_xsaveopt(void) |
1370 |
+ { |
1371 |
+- return static_cpu_has_safe(X86_FEATURE_XSAVEOPT); |
1372 |
++ return static_cpu_has(X86_FEATURE_XSAVEOPT); |
1373 |
+ } |
1374 |
+ |
1375 |
+ static __always_inline __pure bool use_xsave(void) |
1376 |
+ { |
1377 |
+- return static_cpu_has_safe(X86_FEATURE_XSAVE); |
1378 |
++ return static_cpu_has(X86_FEATURE_XSAVE); |
1379 |
+ } |
1380 |
+ |
1381 |
+ static __always_inline __pure bool use_fxsr(void) |
1382 |
+ { |
1383 |
+- return static_cpu_has_safe(X86_FEATURE_FXSR); |
1384 |
++ return static_cpu_has(X86_FEATURE_FXSR); |
1385 |
+ } |
1386 |
+ |
1387 |
+ /* |
1388 |
+@@ -225,18 +226,67 @@ static inline void copy_fxregs_to_kernel(struct fpu *fpu) |
1389 |
+ #define XRSTOR ".byte " REX_PREFIX "0x0f,0xae,0x2f" |
1390 |
+ #define XRSTORS ".byte " REX_PREFIX "0x0f,0xc7,0x1f" |
1391 |
+ |
1392 |
+-/* xstate instruction fault handler: */ |
1393 |
+-#define xstate_fault(__err) \ |
1394 |
+- \ |
1395 |
+- ".section .fixup,\"ax\"\n" \ |
1396 |
+- \ |
1397 |
+- "3: movl $-2,%[_err]\n" \ |
1398 |
+- " jmp 2b\n" \ |
1399 |
+- \ |
1400 |
+- ".previous\n" \ |
1401 |
+- \ |
1402 |
+- _ASM_EXTABLE(1b, 3b) \ |
1403 |
+- : [_err] "=r" (__err) |
1404 |
++#define XSTATE_OP(op, st, lmask, hmask, err) \ |
1405 |
++ asm volatile("1:" op "\n\t" \ |
1406 |
++ "xor %[err], %[err]\n" \ |
1407 |
++ "2:\n\t" \ |
1408 |
++ ".pushsection .fixup,\"ax\"\n\t" \ |
1409 |
++ "3: movl $-2,%[err]\n\t" \ |
1410 |
++ "jmp 2b\n\t" \ |
1411 |
++ ".popsection\n\t" \ |
1412 |
++ _ASM_EXTABLE(1b, 3b) \ |
1413 |
++ : [err] "=r" (err) \ |
1414 |
++ : "D" (st), "m" (*st), "a" (lmask), "d" (hmask) \ |
1415 |
++ : "memory") |
1416 |
++ |
1417 |
++/* |
1418 |
++ * If XSAVES is enabled, it replaces XSAVEOPT because it supports a compact |
1419 |
++ * format and supervisor states in addition to modified optimization in |
1420 |
++ * XSAVEOPT. |
1421 |
++ * |
1422 |
++ * Otherwise, if XSAVEOPT is enabled, XSAVEOPT replaces XSAVE because XSAVEOPT |
1423 |
++ * supports modified optimization which is not supported by XSAVE. |
1424 |
++ * |
1425 |
++ * We use XSAVE as a fallback. |
1426 |
++ * |
1427 |
++ * The 661 label is defined in the ALTERNATIVE* macros as the address of the |
1428 |
++ * original instruction which gets replaced. We need to use it here as the |
1429 |
++ * address of the instruction where we might get an exception at. |
1430 |
++ */ |
1431 |
++#define XSTATE_XSAVE(st, lmask, hmask, err) \ |
1432 |
++ asm volatile(ALTERNATIVE_2(XSAVE, \ |
1433 |
++ XSAVEOPT, X86_FEATURE_XSAVEOPT, \ |
1434 |
++ XSAVES, X86_FEATURE_XSAVES) \ |
1435 |
++ "\n" \ |
1436 |
++ "xor %[err], %[err]\n" \ |
1437 |
++ "3:\n" \ |
1438 |
++ ".pushsection .fixup,\"ax\"\n" \ |
1439 |
++ "4: movl $-2, %[err]\n" \ |
1440 |
++ "jmp 3b\n" \ |
1441 |
++ ".popsection\n" \ |
1442 |
++ _ASM_EXTABLE(661b, 4b) \ |
1443 |
++ : [err] "=r" (err) \ |
1444 |
++ : "D" (st), "m" (*st), "a" (lmask), "d" (hmask) \ |
1445 |
++ : "memory") |
1446 |
++ |
1447 |
++/* |
1448 |
++ * Use XRSTORS to restore context if it is enabled. XRSTORS supports compact |
1449 |
++ * XSAVE area format. |
1450 |
++ */ |
1451 |
++#define XSTATE_XRESTORE(st, lmask, hmask, err) \ |
1452 |
++ asm volatile(ALTERNATIVE(XRSTOR, \ |
1453 |
++ XRSTORS, X86_FEATURE_XSAVES) \ |
1454 |
++ "\n" \ |
1455 |
++ "xor %[err], %[err]\n" \ |
1456 |
++ "3:\n" \ |
1457 |
++ ".pushsection .fixup,\"ax\"\n" \ |
1458 |
++ "4: movl $-2, %[err]\n" \ |
1459 |
++ "jmp 3b\n" \ |
1460 |
++ ".popsection\n" \ |
1461 |
++ _ASM_EXTABLE(661b, 4b) \ |
1462 |
++ : [err] "=r" (err) \ |
1463 |
++ : "D" (st), "m" (*st), "a" (lmask), "d" (hmask) \ |
1464 |
++ : "memory") |
1465 |
+ |
1466 |
+ /* |
1467 |
+ * This function is called only during boot time when x86 caps are not set |
1468 |
+@@ -247,22 +297,14 @@ static inline void copy_xregs_to_kernel_booting(struct xregs_state *xstate) |
1469 |
+ u64 mask = -1; |
1470 |
+ u32 lmask = mask; |
1471 |
+ u32 hmask = mask >> 32; |
1472 |
+- int err = 0; |
1473 |
++ int err; |
1474 |
+ |
1475 |
+ WARN_ON(system_state != SYSTEM_BOOTING); |
1476 |
+ |
1477 |
+- if (boot_cpu_has(X86_FEATURE_XSAVES)) |
1478 |
+- asm volatile("1:"XSAVES"\n\t" |
1479 |
+- "2:\n\t" |
1480 |
+- xstate_fault(err) |
1481 |
+- : "D" (xstate), "m" (*xstate), "a" (lmask), "d" (hmask), "0" (err) |
1482 |
+- : "memory"); |
1483 |
++ if (static_cpu_has(X86_FEATURE_XSAVES)) |
1484 |
++ XSTATE_OP(XSAVES, xstate, lmask, hmask, err); |
1485 |
+ else |
1486 |
+- asm volatile("1:"XSAVE"\n\t" |
1487 |
+- "2:\n\t" |
1488 |
+- xstate_fault(err) |
1489 |
+- : "D" (xstate), "m" (*xstate), "a" (lmask), "d" (hmask), "0" (err) |
1490 |
+- : "memory"); |
1491 |
++ XSTATE_OP(XSAVE, xstate, lmask, hmask, err); |
1492 |
+ |
1493 |
+ /* We should never fault when copying to a kernel buffer: */ |
1494 |
+ WARN_ON_FPU(err); |
1495 |
+@@ -277,22 +319,14 @@ static inline void copy_kernel_to_xregs_booting(struct xregs_state *xstate) |
1496 |
+ u64 mask = -1; |
1497 |
+ u32 lmask = mask; |
1498 |
+ u32 hmask = mask >> 32; |
1499 |
+- int err = 0; |
1500 |
++ int err; |
1501 |
+ |
1502 |
+ WARN_ON(system_state != SYSTEM_BOOTING); |
1503 |
+ |
1504 |
+- if (boot_cpu_has(X86_FEATURE_XSAVES)) |
1505 |
+- asm volatile("1:"XRSTORS"\n\t" |
1506 |
+- "2:\n\t" |
1507 |
+- xstate_fault(err) |
1508 |
+- : "D" (xstate), "m" (*xstate), "a" (lmask), "d" (hmask), "0" (err) |
1509 |
+- : "memory"); |
1510 |
++ if (static_cpu_has(X86_FEATURE_XSAVES)) |
1511 |
++ XSTATE_OP(XRSTORS, xstate, lmask, hmask, err); |
1512 |
+ else |
1513 |
+- asm volatile("1:"XRSTOR"\n\t" |
1514 |
+- "2:\n\t" |
1515 |
+- xstate_fault(err) |
1516 |
+- : "D" (xstate), "m" (*xstate), "a" (lmask), "d" (hmask), "0" (err) |
1517 |
+- : "memory"); |
1518 |
++ XSTATE_OP(XRSTOR, xstate, lmask, hmask, err); |
1519 |
+ |
1520 |
+ /* We should never fault when copying from a kernel buffer: */ |
1521 |
+ WARN_ON_FPU(err); |
1522 |
+@@ -306,33 +340,11 @@ static inline void copy_xregs_to_kernel(struct xregs_state *xstate) |
1523 |
+ u64 mask = -1; |
1524 |
+ u32 lmask = mask; |
1525 |
+ u32 hmask = mask >> 32; |
1526 |
+- int err = 0; |
1527 |
++ int err; |
1528 |
+ |
1529 |
+ WARN_ON(!alternatives_patched); |
1530 |
+ |
1531 |
+- /* |
1532 |
+- * If xsaves is enabled, xsaves replaces xsaveopt because |
1533 |
+- * it supports compact format and supervisor states in addition to |
1534 |
+- * modified optimization in xsaveopt. |
1535 |
+- * |
1536 |
+- * Otherwise, if xsaveopt is enabled, xsaveopt replaces xsave |
1537 |
+- * because xsaveopt supports modified optimization which is not |
1538 |
+- * supported by xsave. |
1539 |
+- * |
1540 |
+- * If none of xsaves and xsaveopt is enabled, use xsave. |
1541 |
+- */ |
1542 |
+- alternative_input_2( |
1543 |
+- "1:"XSAVE, |
1544 |
+- XSAVEOPT, |
1545 |
+- X86_FEATURE_XSAVEOPT, |
1546 |
+- XSAVES, |
1547 |
+- X86_FEATURE_XSAVES, |
1548 |
+- [xstate] "D" (xstate), "a" (lmask), "d" (hmask) : |
1549 |
+- "memory"); |
1550 |
+- asm volatile("2:\n\t" |
1551 |
+- xstate_fault(err) |
1552 |
+- : "0" (err) |
1553 |
+- : "memory"); |
1554 |
++ XSTATE_XSAVE(xstate, lmask, hmask, err); |
1555 |
+ |
1556 |
+ /* We should never fault when copying to a kernel buffer: */ |
1557 |
+ WARN_ON_FPU(err); |
1558 |
+@@ -345,23 +357,9 @@ static inline void copy_kernel_to_xregs(struct xregs_state *xstate, u64 mask) |
1559 |
+ { |
1560 |
+ u32 lmask = mask; |
1561 |
+ u32 hmask = mask >> 32; |
1562 |
+- int err = 0; |
1563 |
++ int err; |
1564 |
+ |
1565 |
+- /* |
1566 |
+- * Use xrstors to restore context if it is enabled. xrstors supports |
1567 |
+- * compacted format of xsave area which is not supported by xrstor. |
1568 |
+- */ |
1569 |
+- alternative_input( |
1570 |
+- "1: " XRSTOR, |
1571 |
+- XRSTORS, |
1572 |
+- X86_FEATURE_XSAVES, |
1573 |
+- "D" (xstate), "m" (*xstate), "a" (lmask), "d" (hmask) |
1574 |
+- : "memory"); |
1575 |
+- |
1576 |
+- asm volatile("2:\n" |
1577 |
+- xstate_fault(err) |
1578 |
+- : "0" (err) |
1579 |
+- : "memory"); |
1580 |
++ XSTATE_XRESTORE(xstate, lmask, hmask, err); |
1581 |
+ |
1582 |
+ /* We should never fault when copying from a kernel buffer: */ |
1583 |
+ WARN_ON_FPU(err); |
1584 |
+@@ -389,12 +387,10 @@ static inline int copy_xregs_to_user(struct xregs_state __user *buf) |
1585 |
+ if (unlikely(err)) |
1586 |
+ return -EFAULT; |
1587 |
+ |
1588 |
+- __asm__ __volatile__(ASM_STAC "\n" |
1589 |
+- "1:"XSAVE"\n" |
1590 |
+- "2: " ASM_CLAC "\n" |
1591 |
+- xstate_fault(err) |
1592 |
+- : "D" (buf), "a" (-1), "d" (-1), "0" (err) |
1593 |
+- : "memory"); |
1594 |
++ stac(); |
1595 |
++ XSTATE_OP(XSAVE, buf, -1, -1, err); |
1596 |
++ clac(); |
1597 |
++ |
1598 |
+ return err; |
1599 |
+ } |
1600 |
+ |
1601 |
+@@ -406,14 +402,12 @@ static inline int copy_user_to_xregs(struct xregs_state __user *buf, u64 mask) |
1602 |
+ struct xregs_state *xstate = ((__force struct xregs_state *)buf); |
1603 |
+ u32 lmask = mask; |
1604 |
+ u32 hmask = mask >> 32; |
1605 |
+- int err = 0; |
1606 |
+- |
1607 |
+- __asm__ __volatile__(ASM_STAC "\n" |
1608 |
+- "1:"XRSTOR"\n" |
1609 |
+- "2: " ASM_CLAC "\n" |
1610 |
+- xstate_fault(err) |
1611 |
+- : "D" (xstate), "a" (lmask), "d" (hmask), "0" (err) |
1612 |
+- : "memory"); /* memory required? */ |
1613 |
++ int err; |
1614 |
++ |
1615 |
++ stac(); |
1616 |
++ XSTATE_OP(XRSTOR, xstate, lmask, hmask, err); |
1617 |
++ clac(); |
1618 |
++ |
1619 |
+ return err; |
1620 |
+ } |
1621 |
+ |
1622 |
+@@ -467,7 +461,7 @@ static inline void copy_kernel_to_fpregs(union fpregs_state *fpstate) |
1623 |
+ * pending. Clear the x87 state here by setting it to fixed values. |
1624 |
+ * "m" is a random variable that should be in L1. |
1625 |
+ */ |
1626 |
+- if (unlikely(static_cpu_has_bug_safe(X86_BUG_FXSAVE_LEAK))) { |
1627 |
++ if (unlikely(static_cpu_has_bug(X86_BUG_FXSAVE_LEAK))) { |
1628 |
+ asm volatile( |
1629 |
+ "fnclex\n\t" |
1630 |
+ "emms\n\t" |
1631 |
+diff --git a/arch/x86/include/asm/irq_work.h b/arch/x86/include/asm/irq_work.h |
1632 |
+index 78162f8e248b..d0afb05c84fc 100644 |
1633 |
+--- a/arch/x86/include/asm/irq_work.h |
1634 |
++++ b/arch/x86/include/asm/irq_work.h |
1635 |
+@@ -1,7 +1,7 @@ |
1636 |
+ #ifndef _ASM_IRQ_WORK_H |
1637 |
+ #define _ASM_IRQ_WORK_H |
1638 |
+ |
1639 |
+-#include <asm/processor.h> |
1640 |
++#include <asm/cpufeature.h> |
1641 |
+ |
1642 |
+ static inline bool arch_irq_work_has_interrupt(void) |
1643 |
+ { |
1644 |
+diff --git a/arch/x86/include/asm/mwait.h b/arch/x86/include/asm/mwait.h |
1645 |
+index c70689b5e5aa..0deeb2d26df7 100644 |
1646 |
+--- a/arch/x86/include/asm/mwait.h |
1647 |
++++ b/arch/x86/include/asm/mwait.h |
1648 |
+@@ -3,6 +3,8 @@ |
1649 |
+ |
1650 |
+ #include <linux/sched.h> |
1651 |
+ |
1652 |
++#include <asm/cpufeature.h> |
1653 |
++ |
1654 |
+ #define MWAIT_SUBSTATE_MASK 0xf |
1655 |
+ #define MWAIT_CSTATE_MASK 0xf |
1656 |
+ #define MWAIT_SUBSTATE_SIZE 4 |
1657 |
+diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h |
1658 |
+index 249f1c769f21..8b910416243c 100644 |
1659 |
+--- a/arch/x86/include/asm/nospec-branch.h |
1660 |
++++ b/arch/x86/include/asm/nospec-branch.h |
1661 |
+@@ -5,7 +5,7 @@ |
1662 |
+ |
1663 |
+ #include <asm/alternative.h> |
1664 |
+ #include <asm/alternative-asm.h> |
1665 |
+-#include <asm/cpufeature.h> |
1666 |
++#include <asm/cpufeatures.h> |
1667 |
+ |
1668 |
+ /* |
1669 |
+ * Fill the CPU return stack buffer. |
1670 |
+diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h |
1671 |
+index 9e77cea2a8ef..8e415cf65457 100644 |
1672 |
+--- a/arch/x86/include/asm/processor.h |
1673 |
++++ b/arch/x86/include/asm/processor.h |
1674 |
+@@ -13,7 +13,7 @@ struct vm86; |
1675 |
+ #include <asm/types.h> |
1676 |
+ #include <uapi/asm/sigcontext.h> |
1677 |
+ #include <asm/current.h> |
1678 |
+-#include <asm/cpufeature.h> |
1679 |
++#include <asm/cpufeatures.h> |
1680 |
+ #include <asm/page.h> |
1681 |
+ #include <asm/pgtable_types.h> |
1682 |
+ #include <asm/percpu.h> |
1683 |
+@@ -24,7 +24,6 @@ struct vm86; |
1684 |
+ #include <asm/fpu/types.h> |
1685 |
+ |
1686 |
+ #include <linux/personality.h> |
1687 |
+-#include <linux/cpumask.h> |
1688 |
+ #include <linux/cache.h> |
1689 |
+ #include <linux/threads.h> |
1690 |
+ #include <linux/math64.h> |
1691 |
+diff --git a/arch/x86/include/asm/required-features.h b/arch/x86/include/asm/required-features.h |
1692 |
+index 5c6e4fb370f5..fac9a5c0abe9 100644 |
1693 |
+--- a/arch/x86/include/asm/required-features.h |
1694 |
++++ b/arch/x86/include/asm/required-features.h |
1695 |
+@@ -92,5 +92,14 @@ |
1696 |
+ #define REQUIRED_MASK7 0 |
1697 |
+ #define REQUIRED_MASK8 0 |
1698 |
+ #define REQUIRED_MASK9 0 |
1699 |
++#define REQUIRED_MASK10 0 |
1700 |
++#define REQUIRED_MASK11 0 |
1701 |
++#define REQUIRED_MASK12 0 |
1702 |
++#define REQUIRED_MASK13 0 |
1703 |
++#define REQUIRED_MASK14 0 |
1704 |
++#define REQUIRED_MASK15 0 |
1705 |
++#define REQUIRED_MASK16 0 |
1706 |
++#define REQUIRED_MASK17 0 |
1707 |
++#define REQUIRED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 18) |
1708 |
+ |
1709 |
+ #endif /* _ASM_X86_REQUIRED_FEATURES_H */ |
1710 |
+diff --git a/arch/x86/include/asm/smap.h b/arch/x86/include/asm/smap.h |
1711 |
+index ba665ebd17bb..db333300bd4b 100644 |
1712 |
+--- a/arch/x86/include/asm/smap.h |
1713 |
++++ b/arch/x86/include/asm/smap.h |
1714 |
+@@ -15,7 +15,7 @@ |
1715 |
+ |
1716 |
+ #include <linux/stringify.h> |
1717 |
+ #include <asm/nops.h> |
1718 |
+-#include <asm/cpufeature.h> |
1719 |
++#include <asm/cpufeatures.h> |
1720 |
+ |
1721 |
+ /* "Raw" instruction opcodes */ |
1722 |
+ #define __ASM_CLAC .byte 0x0f,0x01,0xca |
1723 |
+diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h |
1724 |
+index a438c5598a90..04d6eef5f8a5 100644 |
1725 |
+--- a/arch/x86/include/asm/smp.h |
1726 |
++++ b/arch/x86/include/asm/smp.h |
1727 |
+@@ -16,7 +16,6 @@ |
1728 |
+ #endif |
1729 |
+ #include <asm/thread_info.h> |
1730 |
+ #include <asm/cpumask.h> |
1731 |
+-#include <asm/cpufeature.h> |
1732 |
+ |
1733 |
+ extern int smp_num_siblings; |
1734 |
+ extern unsigned int num_processors; |
1735 |
+diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h |
1736 |
+index 9b028204685d..18c9aaa8c043 100644 |
1737 |
+--- a/arch/x86/include/asm/thread_info.h |
1738 |
++++ b/arch/x86/include/asm/thread_info.h |
1739 |
+@@ -49,7 +49,7 @@ |
1740 |
+ */ |
1741 |
+ #ifndef __ASSEMBLY__ |
1742 |
+ struct task_struct; |
1743 |
+-#include <asm/processor.h> |
1744 |
++#include <asm/cpufeature.h> |
1745 |
+ #include <linux/atomic.h> |
1746 |
+ |
1747 |
+ struct thread_info { |
1748 |
+diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h |
1749 |
+index a691b66cc40a..e2a89d2577fb 100644 |
1750 |
+--- a/arch/x86/include/asm/tlbflush.h |
1751 |
++++ b/arch/x86/include/asm/tlbflush.h |
1752 |
+@@ -5,6 +5,7 @@ |
1753 |
+ #include <linux/sched.h> |
1754 |
+ |
1755 |
+ #include <asm/processor.h> |
1756 |
++#include <asm/cpufeature.h> |
1757 |
+ #include <asm/special_insns.h> |
1758 |
+ #include <asm/smp.h> |
1759 |
+ |
1760 |
+diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h |
1761 |
+index f2f9b39b274a..d83a55b95a48 100644 |
1762 |
+--- a/arch/x86/include/asm/uaccess_64.h |
1763 |
++++ b/arch/x86/include/asm/uaccess_64.h |
1764 |
+@@ -8,7 +8,7 @@ |
1765 |
+ #include <linux/errno.h> |
1766 |
+ #include <linux/lockdep.h> |
1767 |
+ #include <asm/alternative.h> |
1768 |
+-#include <asm/cpufeature.h> |
1769 |
++#include <asm/cpufeatures.h> |
1770 |
+ #include <asm/page.h> |
1771 |
+ |
1772 |
+ /* |
1773 |
+diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c |
1774 |
+index 2bd2292a316d..bac0805ea1d9 100644 |
1775 |
+--- a/arch/x86/kernel/apic/apic_numachip.c |
1776 |
++++ b/arch/x86/kernel/apic/apic_numachip.c |
1777 |
+@@ -30,7 +30,7 @@ static unsigned int numachip1_get_apic_id(unsigned long x) |
1778 |
+ unsigned long value; |
1779 |
+ unsigned int id = (x >> 24) & 0xff; |
1780 |
+ |
1781 |
+- if (static_cpu_has_safe(X86_FEATURE_NODEID_MSR)) { |
1782 |
++ if (static_cpu_has(X86_FEATURE_NODEID_MSR)) { |
1783 |
+ rdmsrl(MSR_FAM10H_NODE_ID, value); |
1784 |
+ id |= (value << 2) & 0xff00; |
1785 |
+ } |
1786 |
+@@ -178,7 +178,7 @@ static void fixup_cpu_id(struct cpuinfo_x86 *c, int node) |
1787 |
+ this_cpu_write(cpu_llc_id, node); |
1788 |
+ |
1789 |
+ /* Account for nodes per socket in multi-core-module processors */ |
1790 |
+- if (static_cpu_has_safe(X86_FEATURE_NODEID_MSR)) { |
1791 |
++ if (static_cpu_has(X86_FEATURE_NODEID_MSR)) { |
1792 |
+ rdmsrl(MSR_FAM10H_NODE_ID, val); |
1793 |
+ nodes = ((val >> 3) & 7) + 1; |
1794 |
+ } |
1795 |
+diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile |
1796 |
+index 8f184615053b..924b65794abd 100644 |
1797 |
+--- a/arch/x86/kernel/cpu/Makefile |
1798 |
++++ b/arch/x86/kernel/cpu/Makefile |
1799 |
+@@ -62,7 +62,7 @@ ifdef CONFIG_X86_FEATURE_NAMES |
1800 |
+ quiet_cmd_mkcapflags = MKCAP $@ |
1801 |
+ cmd_mkcapflags = $(CONFIG_SHELL) $(srctree)/$(src)/mkcapflags.sh $< $@ |
1802 |
+ |
1803 |
+-cpufeature = $(src)/../../include/asm/cpufeature.h |
1804 |
++cpufeature = $(src)/../../include/asm/cpufeatures.h |
1805 |
+ |
1806 |
+ targets += capflags.c |
1807 |
+ $(obj)/capflags.c: $(cpufeature) $(src)/mkcapflags.sh FORCE |
1808 |
+diff --git a/arch/x86/kernel/cpu/centaur.c b/arch/x86/kernel/cpu/centaur.c |
1809 |
+index d8fba5c15fbd..6608c03c2126 100644 |
1810 |
+--- a/arch/x86/kernel/cpu/centaur.c |
1811 |
++++ b/arch/x86/kernel/cpu/centaur.c |
1812 |
+@@ -1,7 +1,7 @@ |
1813 |
+ #include <linux/bitops.h> |
1814 |
+ #include <linux/kernel.h> |
1815 |
+ |
1816 |
+-#include <asm/processor.h> |
1817 |
++#include <asm/cpufeature.h> |
1818 |
+ #include <asm/e820.h> |
1819 |
+ #include <asm/mtrr.h> |
1820 |
+ #include <asm/msr.h> |
1821 |
+@@ -43,7 +43,7 @@ static void init_c3(struct cpuinfo_x86 *c) |
1822 |
+ /* store Centaur Extended Feature Flags as |
1823 |
+ * word 5 of the CPU capability bit array |
1824 |
+ */ |
1825 |
+- c->x86_capability[5] = cpuid_edx(0xC0000001); |
1826 |
++ c->x86_capability[CPUID_C000_0001_EDX] = cpuid_edx(0xC0000001); |
1827 |
+ } |
1828 |
+ #ifdef CONFIG_X86_32 |
1829 |
+ /* Cyrix III family needs CX8 & PGE explicitly enabled. */ |
1830 |
+diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c |
1831 |
+index 0498ad3702f5..814276d0eed1 100644 |
1832 |
+--- a/arch/x86/kernel/cpu/common.c |
1833 |
++++ b/arch/x86/kernel/cpu/common.c |
1834 |
+@@ -676,50 +676,48 @@ static void apply_forced_caps(struct cpuinfo_x86 *c) |
1835 |
+ |
1836 |
+ void get_cpu_cap(struct cpuinfo_x86 *c) |
1837 |
+ { |
1838 |
+- u32 tfms, xlvl; |
1839 |
+- u32 ebx; |
1840 |
++ u32 eax, ebx, ecx, edx; |
1841 |
+ |
1842 |
+ /* Intel-defined flags: level 0x00000001 */ |
1843 |
+ if (c->cpuid_level >= 0x00000001) { |
1844 |
+- u32 capability, excap; |
1845 |
++ cpuid(0x00000001, &eax, &ebx, &ecx, &edx); |
1846 |
+ |
1847 |
+- cpuid(0x00000001, &tfms, &ebx, &excap, &capability); |
1848 |
+- c->x86_capability[0] = capability; |
1849 |
+- c->x86_capability[4] = excap; |
1850 |
++ c->x86_capability[CPUID_1_ECX] = ecx; |
1851 |
++ c->x86_capability[CPUID_1_EDX] = edx; |
1852 |
+ } |
1853 |
+ |
1854 |
+ /* Additional Intel-defined flags: level 0x00000007 */ |
1855 |
+ if (c->cpuid_level >= 0x00000007) { |
1856 |
+- u32 eax, ebx, ecx, edx; |
1857 |
+- |
1858 |
+ cpuid_count(0x00000007, 0, &eax, &ebx, &ecx, &edx); |
1859 |
+ |
1860 |
+- c->x86_capability[9] = ebx; |
1861 |
++ c->x86_capability[CPUID_7_0_EBX] = ebx; |
1862 |
++ |
1863 |
++ c->x86_capability[CPUID_6_EAX] = cpuid_eax(0x00000006); |
1864 |
++ c->x86_capability[CPUID_7_ECX] = ecx; |
1865 |
+ } |
1866 |
+ |
1867 |
+ /* Extended state features: level 0x0000000d */ |
1868 |
+ if (c->cpuid_level >= 0x0000000d) { |
1869 |
+- u32 eax, ebx, ecx, edx; |
1870 |
+- |
1871 |
+ cpuid_count(0x0000000d, 1, &eax, &ebx, &ecx, &edx); |
1872 |
+ |
1873 |
+- c->x86_capability[10] = eax; |
1874 |
++ c->x86_capability[CPUID_D_1_EAX] = eax; |
1875 |
+ } |
1876 |
+ |
1877 |
+ /* Additional Intel-defined flags: level 0x0000000F */ |
1878 |
+ if (c->cpuid_level >= 0x0000000F) { |
1879 |
+- u32 eax, ebx, ecx, edx; |
1880 |
+ |
1881 |
+ /* QoS sub-leaf, EAX=0Fh, ECX=0 */ |
1882 |
+ cpuid_count(0x0000000F, 0, &eax, &ebx, &ecx, &edx); |
1883 |
+- c->x86_capability[11] = edx; |
1884 |
++ c->x86_capability[CPUID_F_0_EDX] = edx; |
1885 |
++ |
1886 |
+ if (cpu_has(c, X86_FEATURE_CQM_LLC)) { |
1887 |
+ /* will be overridden if occupancy monitoring exists */ |
1888 |
+ c->x86_cache_max_rmid = ebx; |
1889 |
+ |
1890 |
+ /* QoS sub-leaf, EAX=0Fh, ECX=1 */ |
1891 |
+ cpuid_count(0x0000000F, 1, &eax, &ebx, &ecx, &edx); |
1892 |
+- c->x86_capability[12] = edx; |
1893 |
++ c->x86_capability[CPUID_F_1_EDX] = edx; |
1894 |
++ |
1895 |
+ if (cpu_has(c, X86_FEATURE_CQM_OCCUP_LLC)) { |
1896 |
+ c->x86_cache_max_rmid = ecx; |
1897 |
+ c->x86_cache_occ_scale = ebx; |
1898 |
+@@ -731,30 +729,39 @@ void get_cpu_cap(struct cpuinfo_x86 *c) |
1899 |
+ } |
1900 |
+ |
1901 |
+ /* AMD-defined flags: level 0x80000001 */ |
1902 |
+- xlvl = cpuid_eax(0x80000000); |
1903 |
+- c->extended_cpuid_level = xlvl; |
1904 |
++ eax = cpuid_eax(0x80000000); |
1905 |
++ c->extended_cpuid_level = eax; |
1906 |
++ |
1907 |
++ if ((eax & 0xffff0000) == 0x80000000) { |
1908 |
++ if (eax >= 0x80000001) { |
1909 |
++ cpuid(0x80000001, &eax, &ebx, &ecx, &edx); |
1910 |
+ |
1911 |
+- if ((xlvl & 0xffff0000) == 0x80000000) { |
1912 |
+- if (xlvl >= 0x80000001) { |
1913 |
+- c->x86_capability[1] = cpuid_edx(0x80000001); |
1914 |
+- c->x86_capability[6] = cpuid_ecx(0x80000001); |
1915 |
++ c->x86_capability[CPUID_8000_0001_ECX] = ecx; |
1916 |
++ c->x86_capability[CPUID_8000_0001_EDX] = edx; |
1917 |
+ } |
1918 |
+ } |
1919 |
+ |
1920 |
++ if (c->extended_cpuid_level >= 0x80000007) { |
1921 |
++ cpuid(0x80000007, &eax, &ebx, &ecx, &edx); |
1922 |
++ |
1923 |
++ c->x86_capability[CPUID_8000_0007_EBX] = ebx; |
1924 |
++ c->x86_power = edx; |
1925 |
++ } |
1926 |
++ |
1927 |
+ if (c->extended_cpuid_level >= 0x80000008) { |
1928 |
+- u32 eax = cpuid_eax(0x80000008); |
1929 |
++ cpuid(0x80000008, &eax, &ebx, &ecx, &edx); |
1930 |
+ |
1931 |
+ c->x86_virt_bits = (eax >> 8) & 0xff; |
1932 |
+ c->x86_phys_bits = eax & 0xff; |
1933 |
+- c->x86_capability[13] = cpuid_ebx(0x80000008); |
1934 |
++ c->x86_capability[CPUID_8000_0008_EBX] = ebx; |
1935 |
+ } |
1936 |
+ #ifdef CONFIG_X86_32 |
1937 |
+ else if (cpu_has(c, X86_FEATURE_PAE) || cpu_has(c, X86_FEATURE_PSE36)) |
1938 |
+ c->x86_phys_bits = 36; |
1939 |
+ #endif |
1940 |
+ |
1941 |
+- if (c->extended_cpuid_level >= 0x80000007) |
1942 |
+- c->x86_power = cpuid_edx(0x80000007); |
1943 |
++ if (c->extended_cpuid_level >= 0x8000000a) |
1944 |
++ c->x86_capability[CPUID_8000_000A_EDX] = cpuid_edx(0x8000000a); |
1945 |
+ |
1946 |
+ init_scattered_cpuid_features(c); |
1947 |
+ } |
1948 |
+@@ -1574,20 +1581,6 @@ void cpu_init(void) |
1949 |
+ } |
1950 |
+ #endif |
1951 |
+ |
1952 |
+-#ifdef CONFIG_X86_DEBUG_STATIC_CPU_HAS |
1953 |
+-void warn_pre_alternatives(void) |
1954 |
+-{ |
1955 |
+- WARN(1, "You're using static_cpu_has before alternatives have run!\n"); |
1956 |
+-} |
1957 |
+-EXPORT_SYMBOL_GPL(warn_pre_alternatives); |
1958 |
+-#endif |
1959 |
+- |
1960 |
+-inline bool __static_cpu_has_safe(u16 bit) |
1961 |
+-{ |
1962 |
+- return boot_cpu_has(bit); |
1963 |
+-} |
1964 |
+-EXPORT_SYMBOL_GPL(__static_cpu_has_safe); |
1965 |
+- |
1966 |
+ static void bsp_resume(void) |
1967 |
+ { |
1968 |
+ if (this_cpu->c_bsp_resume) |
1969 |
+diff --git a/arch/x86/kernel/cpu/cyrix.c b/arch/x86/kernel/cpu/cyrix.c |
1970 |
+index aaf152e79637..15e47c1cd412 100644 |
1971 |
+--- a/arch/x86/kernel/cpu/cyrix.c |
1972 |
++++ b/arch/x86/kernel/cpu/cyrix.c |
1973 |
+@@ -8,6 +8,7 @@ |
1974 |
+ #include <linux/timer.h> |
1975 |
+ #include <asm/pci-direct.h> |
1976 |
+ #include <asm/tsc.h> |
1977 |
++#include <asm/cpufeature.h> |
1978 |
+ |
1979 |
+ #include "cpu.h" |
1980 |
+ |
1981 |
+diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c |
1982 |
+index 565648bc1a0a..9299e3bdfad6 100644 |
1983 |
+--- a/arch/x86/kernel/cpu/intel.c |
1984 |
++++ b/arch/x86/kernel/cpu/intel.c |
1985 |
+@@ -8,7 +8,7 @@ |
1986 |
+ #include <linux/module.h> |
1987 |
+ #include <linux/uaccess.h> |
1988 |
+ |
1989 |
+-#include <asm/processor.h> |
1990 |
++#include <asm/cpufeature.h> |
1991 |
+ #include <asm/pgtable.h> |
1992 |
+ #include <asm/msr.h> |
1993 |
+ #include <asm/bugs.h> |
1994 |
+diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c |
1995 |
+index 3fa72317ad78..3557b3ceab14 100644 |
1996 |
+--- a/arch/x86/kernel/cpu/intel_cacheinfo.c |
1997 |
++++ b/arch/x86/kernel/cpu/intel_cacheinfo.c |
1998 |
+@@ -14,7 +14,7 @@ |
1999 |
+ #include <linux/sysfs.h> |
2000 |
+ #include <linux/pci.h> |
2001 |
+ |
2002 |
+-#include <asm/processor.h> |
2003 |
++#include <asm/cpufeature.h> |
2004 |
+ #include <asm/amd_nb.h> |
2005 |
+ #include <asm/smp.h> |
2006 |
+ |
2007 |
+diff --git a/arch/x86/kernel/cpu/match.c b/arch/x86/kernel/cpu/match.c |
2008 |
+index afa9f0d487ea..fbb5e90557a5 100644 |
2009 |
+--- a/arch/x86/kernel/cpu/match.c |
2010 |
++++ b/arch/x86/kernel/cpu/match.c |
2011 |
+@@ -1,5 +1,5 @@ |
2012 |
+ #include <asm/cpu_device_id.h> |
2013 |
+-#include <asm/processor.h> |
2014 |
++#include <asm/cpufeature.h> |
2015 |
+ #include <linux/cpu.h> |
2016 |
+ #include <linux/module.h> |
2017 |
+ #include <linux/slab.h> |
2018 |
+diff --git a/arch/x86/kernel/cpu/mkcapflags.sh b/arch/x86/kernel/cpu/mkcapflags.sh |
2019 |
+index 3f20710a5b23..6988c74409a8 100644 |
2020 |
+--- a/arch/x86/kernel/cpu/mkcapflags.sh |
2021 |
++++ b/arch/x86/kernel/cpu/mkcapflags.sh |
2022 |
+@@ -1,6 +1,6 @@ |
2023 |
+ #!/bin/sh |
2024 |
+ # |
2025 |
+-# Generate the x86_cap/bug_flags[] arrays from include/asm/cpufeature.h |
2026 |
++# Generate the x86_cap/bug_flags[] arrays from include/asm/cpufeatures.h |
2027 |
+ # |
2028 |
+ |
2029 |
+ IN=$1 |
2030 |
+@@ -49,8 +49,8 @@ dump_array() |
2031 |
+ trap 'rm "$OUT"' EXIT |
2032 |
+ |
2033 |
+ ( |
2034 |
+- echo "#ifndef _ASM_X86_CPUFEATURE_H" |
2035 |
+- echo "#include <asm/cpufeature.h>" |
2036 |
++ echo "#ifndef _ASM_X86_CPUFEATURES_H" |
2037 |
++ echo "#include <asm/cpufeatures.h>" |
2038 |
+ echo "#endif" |
2039 |
+ echo "" |
2040 |
+ |
2041 |
+diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c |
2042 |
+index f924f41af89a..49bd700d9b7f 100644 |
2043 |
+--- a/arch/x86/kernel/cpu/mtrr/main.c |
2044 |
++++ b/arch/x86/kernel/cpu/mtrr/main.c |
2045 |
+@@ -47,7 +47,7 @@ |
2046 |
+ #include <linux/smp.h> |
2047 |
+ #include <linux/syscore_ops.h> |
2048 |
+ |
2049 |
+-#include <asm/processor.h> |
2050 |
++#include <asm/cpufeature.h> |
2051 |
+ #include <asm/e820.h> |
2052 |
+ #include <asm/mtrr.h> |
2053 |
+ #include <asm/msr.h> |
2054 |
+diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattered.c |
2055 |
+index 608fb26c7254..8cb57df9398d 100644 |
2056 |
+--- a/arch/x86/kernel/cpu/scattered.c |
2057 |
++++ b/arch/x86/kernel/cpu/scattered.c |
2058 |
+@@ -31,32 +31,12 @@ void init_scattered_cpuid_features(struct cpuinfo_x86 *c) |
2059 |
+ const struct cpuid_bit *cb; |
2060 |
+ |
2061 |
+ static const struct cpuid_bit cpuid_bits[] = { |
2062 |
+- { X86_FEATURE_DTHERM, CR_EAX, 0, 0x00000006, 0 }, |
2063 |
+- { X86_FEATURE_IDA, CR_EAX, 1, 0x00000006, 0 }, |
2064 |
+- { X86_FEATURE_ARAT, CR_EAX, 2, 0x00000006, 0 }, |
2065 |
+- { X86_FEATURE_PLN, CR_EAX, 4, 0x00000006, 0 }, |
2066 |
+- { X86_FEATURE_PTS, CR_EAX, 6, 0x00000006, 0 }, |
2067 |
+- { X86_FEATURE_HWP, CR_EAX, 7, 0x00000006, 0 }, |
2068 |
+- { X86_FEATURE_HWP_NOTIFY, CR_EAX, 8, 0x00000006, 0 }, |
2069 |
+- { X86_FEATURE_HWP_ACT_WINDOW, CR_EAX, 9, 0x00000006, 0 }, |
2070 |
+- { X86_FEATURE_HWP_EPP, CR_EAX,10, 0x00000006, 0 }, |
2071 |
+- { X86_FEATURE_HWP_PKG_REQ, CR_EAX,11, 0x00000006, 0 }, |
2072 |
+ { X86_FEATURE_INTEL_PT, CR_EBX,25, 0x00000007, 0 }, |
2073 |
+ { X86_FEATURE_APERFMPERF, CR_ECX, 0, 0x00000006, 0 }, |
2074 |
+ { X86_FEATURE_EPB, CR_ECX, 3, 0x00000006, 0 }, |
2075 |
+ { X86_FEATURE_HW_PSTATE, CR_EDX, 7, 0x80000007, 0 }, |
2076 |
+ { X86_FEATURE_CPB, CR_EDX, 9, 0x80000007, 0 }, |
2077 |
+ { X86_FEATURE_PROC_FEEDBACK, CR_EDX,11, 0x80000007, 0 }, |
2078 |
+- { X86_FEATURE_NPT, CR_EDX, 0, 0x8000000a, 0 }, |
2079 |
+- { X86_FEATURE_LBRV, CR_EDX, 1, 0x8000000a, 0 }, |
2080 |
+- { X86_FEATURE_SVML, CR_EDX, 2, 0x8000000a, 0 }, |
2081 |
+- { X86_FEATURE_NRIPS, CR_EDX, 3, 0x8000000a, 0 }, |
2082 |
+- { X86_FEATURE_TSCRATEMSR, CR_EDX, 4, 0x8000000a, 0 }, |
2083 |
+- { X86_FEATURE_VMCBCLEAN, CR_EDX, 5, 0x8000000a, 0 }, |
2084 |
+- { X86_FEATURE_FLUSHBYASID, CR_EDX, 6, 0x8000000a, 0 }, |
2085 |
+- { X86_FEATURE_DECODEASSISTS, CR_EDX, 7, 0x8000000a, 0 }, |
2086 |
+- { X86_FEATURE_PAUSEFILTER, CR_EDX,10, 0x8000000a, 0 }, |
2087 |
+- { X86_FEATURE_PFTHRESHOLD, CR_EDX,12, 0x8000000a, 0 }, |
2088 |
+ { 0, 0, 0, 0, 0 } |
2089 |
+ }; |
2090 |
+ |
2091 |
+diff --git a/arch/x86/kernel/cpu/transmeta.c b/arch/x86/kernel/cpu/transmeta.c |
2092 |
+index 3fa0e5ad86b4..a19a663282b5 100644 |
2093 |
+--- a/arch/x86/kernel/cpu/transmeta.c |
2094 |
++++ b/arch/x86/kernel/cpu/transmeta.c |
2095 |
+@@ -1,6 +1,6 @@ |
2096 |
+ #include <linux/kernel.h> |
2097 |
+ #include <linux/mm.h> |
2098 |
+-#include <asm/processor.h> |
2099 |
++#include <asm/cpufeature.h> |
2100 |
+ #include <asm/msr.h> |
2101 |
+ #include "cpu.h" |
2102 |
+ |
2103 |
+@@ -12,7 +12,7 @@ static void early_init_transmeta(struct cpuinfo_x86 *c) |
2104 |
+ xlvl = cpuid_eax(0x80860000); |
2105 |
+ if ((xlvl & 0xffff0000) == 0x80860000) { |
2106 |
+ if (xlvl >= 0x80860001) |
2107 |
+- c->x86_capability[2] = cpuid_edx(0x80860001); |
2108 |
++ c->x86_capability[CPUID_8086_0001_EDX] = cpuid_edx(0x80860001); |
2109 |
+ } |
2110 |
+ } |
2111 |
+ |
2112 |
+@@ -82,7 +82,7 @@ static void init_transmeta(struct cpuinfo_x86 *c) |
2113 |
+ /* Unhide possibly hidden capability flags */ |
2114 |
+ rdmsr(0x80860004, cap_mask, uk); |
2115 |
+ wrmsr(0x80860004, ~0, uk); |
2116 |
+- c->x86_capability[0] = cpuid_edx(0x00000001); |
2117 |
++ c->x86_capability[CPUID_1_EDX] = cpuid_edx(0x00000001); |
2118 |
+ wrmsr(0x80860004, cap_mask, uk); |
2119 |
+ |
2120 |
+ /* All Transmeta CPUs have a constant TSC */ |
2121 |
+diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c |
2122 |
+index 52a2526c3fbe..19bc19d5e174 100644 |
2123 |
+--- a/arch/x86/kernel/e820.c |
2124 |
++++ b/arch/x86/kernel/e820.c |
2125 |
+@@ -24,6 +24,7 @@ |
2126 |
+ #include <asm/e820.h> |
2127 |
+ #include <asm/proto.h> |
2128 |
+ #include <asm/setup.h> |
2129 |
++#include <asm/cpufeature.h> |
2130 |
+ |
2131 |
+ /* |
2132 |
+ * The e820 map is the map that gets modified e.g. with command line parameters |
2133 |
+diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S |
2134 |
+index 70284d38fdc2..1c0b49fd6365 100644 |
2135 |
+--- a/arch/x86/kernel/head_32.S |
2136 |
++++ b/arch/x86/kernel/head_32.S |
2137 |
+@@ -19,7 +19,7 @@ |
2138 |
+ #include <asm/setup.h> |
2139 |
+ #include <asm/processor-flags.h> |
2140 |
+ #include <asm/msr-index.h> |
2141 |
+-#include <asm/cpufeature.h> |
2142 |
++#include <asm/cpufeatures.h> |
2143 |
+ #include <asm/percpu.h> |
2144 |
+ #include <asm/nops.h> |
2145 |
+ #include <asm/bootparam.h> |
2146 |
+diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S |
2147 |
+index 4034e905741a..734ba1d0f686 100644 |
2148 |
+--- a/arch/x86/kernel/head_64.S |
2149 |
++++ b/arch/x86/kernel/head_64.S |
2150 |
+@@ -76,9 +76,7 @@ startup_64: |
2151 |
+ subq $_text - __START_KERNEL_map, %rbp |
2152 |
+ |
2153 |
+ /* Is the address not 2M aligned? */ |
2154 |
+- movq %rbp, %rax |
2155 |
+- andl $~PMD_PAGE_MASK, %eax |
2156 |
+- testl %eax, %eax |
2157 |
++ testl $~PMD_PAGE_MASK, %ebp |
2158 |
+ jnz bad_address |
2159 |
+ |
2160 |
+ /* |
2161 |
+diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c |
2162 |
+index f48eb8eeefe2..3fdc1e53aaac 100644 |
2163 |
+--- a/arch/x86/kernel/hpet.c |
2164 |
++++ b/arch/x86/kernel/hpet.c |
2165 |
+@@ -12,6 +12,7 @@ |
2166 |
+ #include <linux/pm.h> |
2167 |
+ #include <linux/io.h> |
2168 |
+ |
2169 |
++#include <asm/cpufeature.h> |
2170 |
+ #include <asm/irqdomain.h> |
2171 |
+ #include <asm/fixmap.h> |
2172 |
+ #include <asm/hpet.h> |
2173 |
+diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c |
2174 |
+index 113e70784854..f95ac5d435aa 100644 |
2175 |
+--- a/arch/x86/kernel/msr.c |
2176 |
++++ b/arch/x86/kernel/msr.c |
2177 |
+@@ -40,7 +40,7 @@ |
2178 |
+ #include <linux/uaccess.h> |
2179 |
+ #include <linux/gfp.h> |
2180 |
+ |
2181 |
+-#include <asm/processor.h> |
2182 |
++#include <asm/cpufeature.h> |
2183 |
+ #include <asm/msr.h> |
2184 |
+ |
2185 |
+ static struct class *msr_class; |
2186 |
+diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c |
2187 |
+index c6aace2bbe08..b8105289c60b 100644 |
2188 |
+--- a/arch/x86/kernel/uprobes.c |
2189 |
++++ b/arch/x86/kernel/uprobes.c |
2190 |
+@@ -290,7 +290,7 @@ static int uprobe_init_insn(struct arch_uprobe *auprobe, struct insn *insn, bool |
2191 |
+ insn_init(insn, auprobe->insn, sizeof(auprobe->insn), x86_64); |
2192 |
+ /* has the side-effect of processing the entire instruction */ |
2193 |
+ insn_get_length(insn); |
2194 |
+- if (WARN_ON_ONCE(!insn_complete(insn))) |
2195 |
++ if (!insn_complete(insn)) |
2196 |
+ return -ENOEXEC; |
2197 |
+ |
2198 |
+ if (is_prefix_bad(insn)) |
2199 |
+diff --git a/arch/x86/kernel/verify_cpu.S b/arch/x86/kernel/verify_cpu.S |
2200 |
+index 4cf401f581e7..b7c9db5deebe 100644 |
2201 |
+--- a/arch/x86/kernel/verify_cpu.S |
2202 |
++++ b/arch/x86/kernel/verify_cpu.S |
2203 |
+@@ -30,7 +30,7 @@ |
2204 |
+ * appropriately. Either display a message or halt. |
2205 |
+ */ |
2206 |
+ |
2207 |
+-#include <asm/cpufeature.h> |
2208 |
++#include <asm/cpufeatures.h> |
2209 |
+ #include <asm/msr-index.h> |
2210 |
+ |
2211 |
+ verify_cpu: |
2212 |
+diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c |
2213 |
+index d6d64a519559..7f4839ef3608 100644 |
2214 |
+--- a/arch/x86/kernel/vm86_32.c |
2215 |
++++ b/arch/x86/kernel/vm86_32.c |
2216 |
+@@ -358,7 +358,7 @@ static long do_sys_vm86(struct vm86plus_struct __user *user_vm86, bool plus) |
2217 |
+ /* make room for real-mode segments */ |
2218 |
+ tsk->thread.sp0 += 16; |
2219 |
+ |
2220 |
+- if (static_cpu_has_safe(X86_FEATURE_SEP)) |
2221 |
++ if (static_cpu_has(X86_FEATURE_SEP)) |
2222 |
+ tsk->thread.sysenter_cs = 0; |
2223 |
+ |
2224 |
+ load_sp0(tss, &tsk->thread); |
2225 |
+diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S |
2226 |
+index e065065a4dfb..a703842b54de 100644 |
2227 |
+--- a/arch/x86/kernel/vmlinux.lds.S |
2228 |
++++ b/arch/x86/kernel/vmlinux.lds.S |
2229 |
+@@ -202,6 +202,17 @@ SECTIONS |
2230 |
+ :init |
2231 |
+ #endif |
2232 |
+ |
2233 |
++ /* |
2234 |
++ * Section for code used exclusively before alternatives are run. All |
2235 |
++ * references to such code must be patched out by alternatives, normally |
2236 |
++ * by using X86_FEATURE_ALWAYS CPU feature bit. |
2237 |
++ * |
2238 |
++ * See static_cpu_has() for an example. |
2239 |
++ */ |
2240 |
++ .altinstr_aux : AT(ADDR(.altinstr_aux) - LOAD_OFFSET) { |
2241 |
++ *(.altinstr_aux) |
2242 |
++ } |
2243 |
++ |
2244 |
+ INIT_DATA_SECTION(16) |
2245 |
+ |
2246 |
+ .x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) { |
2247 |
+diff --git a/arch/x86/lib/clear_page_64.S b/arch/x86/lib/clear_page_64.S |
2248 |
+index a2fe51b00cce..65be7cfaf947 100644 |
2249 |
+--- a/arch/x86/lib/clear_page_64.S |
2250 |
++++ b/arch/x86/lib/clear_page_64.S |
2251 |
+@@ -1,5 +1,5 @@ |
2252 |
+ #include <linux/linkage.h> |
2253 |
+-#include <asm/cpufeature.h> |
2254 |
++#include <asm/cpufeatures.h> |
2255 |
+ #include <asm/alternative-asm.h> |
2256 |
+ |
2257 |
+ /* |
2258 |
+diff --git a/arch/x86/lib/copy_page_64.S b/arch/x86/lib/copy_page_64.S |
2259 |
+index 009f98216b7e..24ef1c2104d4 100644 |
2260 |
+--- a/arch/x86/lib/copy_page_64.S |
2261 |
++++ b/arch/x86/lib/copy_page_64.S |
2262 |
+@@ -1,7 +1,7 @@ |
2263 |
+ /* Written 2003 by Andi Kleen, based on a kernel by Evandro Menezes */ |
2264 |
+ |
2265 |
+ #include <linux/linkage.h> |
2266 |
+-#include <asm/cpufeature.h> |
2267 |
++#include <asm/cpufeatures.h> |
2268 |
+ #include <asm/alternative-asm.h> |
2269 |
+ |
2270 |
+ /* |
2271 |
+diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S |
2272 |
+index 423644c230e7..accf7f2f557f 100644 |
2273 |
+--- a/arch/x86/lib/copy_user_64.S |
2274 |
++++ b/arch/x86/lib/copy_user_64.S |
2275 |
+@@ -10,7 +10,7 @@ |
2276 |
+ #include <asm/current.h> |
2277 |
+ #include <asm/asm-offsets.h> |
2278 |
+ #include <asm/thread_info.h> |
2279 |
+-#include <asm/cpufeature.h> |
2280 |
++#include <asm/cpufeatures.h> |
2281 |
+ #include <asm/alternative-asm.h> |
2282 |
+ #include <asm/asm.h> |
2283 |
+ #include <asm/smap.h> |
2284 |
+diff --git a/arch/x86/lib/memcpy_64.S b/arch/x86/lib/memcpy_64.S |
2285 |
+index 16698bba87de..a0de849435ad 100644 |
2286 |
+--- a/arch/x86/lib/memcpy_64.S |
2287 |
++++ b/arch/x86/lib/memcpy_64.S |
2288 |
+@@ -1,7 +1,7 @@ |
2289 |
+ /* Copyright 2002 Andi Kleen */ |
2290 |
+ |
2291 |
+ #include <linux/linkage.h> |
2292 |
+-#include <asm/cpufeature.h> |
2293 |
++#include <asm/cpufeatures.h> |
2294 |
+ #include <asm/alternative-asm.h> |
2295 |
+ |
2296 |
+ /* |
2297 |
+diff --git a/arch/x86/lib/memmove_64.S b/arch/x86/lib/memmove_64.S |
2298 |
+index ca2afdd6d98e..90ce01bee00c 100644 |
2299 |
+--- a/arch/x86/lib/memmove_64.S |
2300 |
++++ b/arch/x86/lib/memmove_64.S |
2301 |
+@@ -6,7 +6,7 @@ |
2302 |
+ * - Copyright 2011 Fenghua Yu <fenghua.yu@×××××.com> |
2303 |
+ */ |
2304 |
+ #include <linux/linkage.h> |
2305 |
+-#include <asm/cpufeature.h> |
2306 |
++#include <asm/cpufeatures.h> |
2307 |
+ #include <asm/alternative-asm.h> |
2308 |
+ |
2309 |
+ #undef memmove |
2310 |
+diff --git a/arch/x86/lib/memset_64.S b/arch/x86/lib/memset_64.S |
2311 |
+index 2661fad05827..c9c81227ea37 100644 |
2312 |
+--- a/arch/x86/lib/memset_64.S |
2313 |
++++ b/arch/x86/lib/memset_64.S |
2314 |
+@@ -1,7 +1,7 @@ |
2315 |
+ /* Copyright 2002 Andi Kleen, SuSE Labs */ |
2316 |
+ |
2317 |
+ #include <linux/linkage.h> |
2318 |
+-#include <asm/cpufeature.h> |
2319 |
++#include <asm/cpufeatures.h> |
2320 |
+ #include <asm/alternative-asm.h> |
2321 |
+ |
2322 |
+ .weak memset |
2323 |
+diff --git a/arch/x86/lib/retpoline.S b/arch/x86/lib/retpoline.S |
2324 |
+index 3d06b482ebc7..7bbb853e36bd 100644 |
2325 |
+--- a/arch/x86/lib/retpoline.S |
2326 |
++++ b/arch/x86/lib/retpoline.S |
2327 |
+@@ -3,7 +3,7 @@ |
2328 |
+ #include <linux/stringify.h> |
2329 |
+ #include <linux/linkage.h> |
2330 |
+ #include <asm/dwarf2.h> |
2331 |
+-#include <asm/cpufeature.h> |
2332 |
++#include <asm/cpufeatures.h> |
2333 |
+ #include <asm/alternative-asm.h> |
2334 |
+ #include <asm-generic/export.h> |
2335 |
+ #include <asm/nospec-branch.h> |
2336 |
+diff --git a/arch/x86/mm/setup_nx.c b/arch/x86/mm/setup_nx.c |
2337 |
+index 92e2eacb3321..f65a33f505b6 100644 |
2338 |
+--- a/arch/x86/mm/setup_nx.c |
2339 |
++++ b/arch/x86/mm/setup_nx.c |
2340 |
+@@ -4,6 +4,7 @@ |
2341 |
+ |
2342 |
+ #include <asm/pgtable.h> |
2343 |
+ #include <asm/proto.h> |
2344 |
++#include <asm/cpufeature.h> |
2345 |
+ |
2346 |
+ static int disable_nx; |
2347 |
+ |
2348 |
+diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c |
2349 |
+index 50d86c0e9ba4..660a83c8287b 100644 |
2350 |
+--- a/arch/x86/oprofile/op_model_amd.c |
2351 |
++++ b/arch/x86/oprofile/op_model_amd.c |
2352 |
+@@ -24,7 +24,6 @@ |
2353 |
+ #include <asm/nmi.h> |
2354 |
+ #include <asm/apic.h> |
2355 |
+ #include <asm/processor.h> |
2356 |
+-#include <asm/cpufeature.h> |
2357 |
+ |
2358 |
+ #include "op_x86_model.h" |
2359 |
+ #include "op_counter.h" |
2360 |
+diff --git a/arch/x86/um/asm/barrier.h b/arch/x86/um/asm/barrier.h |
2361 |
+index 755481f14d90..764ac2fc53fe 100644 |
2362 |
+--- a/arch/x86/um/asm/barrier.h |
2363 |
++++ b/arch/x86/um/asm/barrier.h |
2364 |
+@@ -3,7 +3,7 @@ |
2365 |
+ |
2366 |
+ #include <asm/asm.h> |
2367 |
+ #include <asm/segment.h> |
2368 |
+-#include <asm/cpufeature.h> |
2369 |
++#include <asm/cpufeatures.h> |
2370 |
+ #include <asm/cmpxchg.h> |
2371 |
+ #include <asm/nops.h> |
2372 |
+ |
2373 |
+diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c |
2374 |
+index 5a6a01135470..34fdaa6e99ba 100644 |
2375 |
+--- a/drivers/ata/ahci.c |
2376 |
++++ b/drivers/ata/ahci.c |
2377 |
+@@ -1229,6 +1229,59 @@ static bool ahci_broken_suspend(struct pci_dev *pdev) |
2378 |
+ return strcmp(buf, dmi->driver_data) < 0; |
2379 |
+ } |
2380 |
+ |
2381 |
++static bool ahci_broken_lpm(struct pci_dev *pdev) |
2382 |
++{ |
2383 |
++ static const struct dmi_system_id sysids[] = { |
2384 |
++ /* Various Lenovo 50 series have LPM issues with older BIOSen */ |
2385 |
++ { |
2386 |
++ .matches = { |
2387 |
++ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), |
2388 |
++ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X250"), |
2389 |
++ }, |
2390 |
++ .driver_data = "20180406", /* 1.31 */ |
2391 |
++ }, |
2392 |
++ { |
2393 |
++ .matches = { |
2394 |
++ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), |
2395 |
++ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L450"), |
2396 |
++ }, |
2397 |
++ .driver_data = "20180420", /* 1.28 */ |
2398 |
++ }, |
2399 |
++ { |
2400 |
++ .matches = { |
2401 |
++ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), |
2402 |
++ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T450s"), |
2403 |
++ }, |
2404 |
++ .driver_data = "20180315", /* 1.33 */ |
2405 |
++ }, |
2406 |
++ { |
2407 |
++ .matches = { |
2408 |
++ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), |
2409 |
++ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W541"), |
2410 |
++ }, |
2411 |
++ /* |
2412 |
++ * Note date based on release notes, 2.35 has been |
2413 |
++ * reported to be good, but I've been unable to get |
2414 |
++ * a hold of the reporter to get the DMI BIOS date. |
2415 |
++ * TODO: fix this. |
2416 |
++ */ |
2417 |
++ .driver_data = "20180310", /* 2.35 */ |
2418 |
++ }, |
2419 |
++ { } /* terminate list */ |
2420 |
++ }; |
2421 |
++ const struct dmi_system_id *dmi = dmi_first_match(sysids); |
2422 |
++ int year, month, date; |
2423 |
++ char buf[9]; |
2424 |
++ |
2425 |
++ if (!dmi) |
2426 |
++ return false; |
2427 |
++ |
2428 |
++ dmi_get_date(DMI_BIOS_DATE, &year, &month, &date); |
2429 |
++ snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date); |
2430 |
++ |
2431 |
++ return strcmp(buf, dmi->driver_data) < 0; |
2432 |
++} |
2433 |
++ |
2434 |
+ static bool ahci_broken_online(struct pci_dev *pdev) |
2435 |
+ { |
2436 |
+ #define ENCODE_BUSDEVFN(bus, slot, func) \ |
2437 |
+@@ -1588,6 +1641,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) |
2438 |
+ "quirky BIOS, skipping spindown on poweroff\n"); |
2439 |
+ } |
2440 |
+ |
2441 |
++ if (ahci_broken_lpm(pdev)) { |
2442 |
++ pi.flags |= ATA_FLAG_NO_LPM; |
2443 |
++ dev_warn(&pdev->dev, |
2444 |
++ "BIOS update required for Link Power Management support\n"); |
2445 |
++ } |
2446 |
++ |
2447 |
+ if (ahci_broken_suspend(pdev)) { |
2448 |
+ hpriv->flags |= AHCI_HFLAG_NO_SUSPEND; |
2449 |
+ dev_warn(&pdev->dev, |
2450 |
+diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c |
2451 |
+index 9afd06ee5b30..ba514fa733de 100644 |
2452 |
+--- a/drivers/ata/libata-core.c |
2453 |
++++ b/drivers/ata/libata-core.c |
2454 |
+@@ -2209,6 +2209,9 @@ int ata_dev_configure(struct ata_device *dev) |
2455 |
+ (id[ATA_ID_SATA_CAPABILITY] & 0xe) == 0x2) |
2456 |
+ dev->horkage |= ATA_HORKAGE_NOLPM; |
2457 |
+ |
2458 |
++ if (ap->flags & ATA_FLAG_NO_LPM) |
2459 |
++ dev->horkage |= ATA_HORKAGE_NOLPM; |
2460 |
++ |
2461 |
+ if (dev->horkage & ATA_HORKAGE_NOLPM) { |
2462 |
+ ata_dev_warn(dev, "LPM support broken, forcing max_power\n"); |
2463 |
+ dev->link->ap->target_lpm_policy = ATA_LPM_MAX_POWER; |
2464 |
+diff --git a/drivers/block/loop.c b/drivers/block/loop.c |
2465 |
+index e8165ec55e6f..da3902ac16c8 100644 |
2466 |
+--- a/drivers/block/loop.c |
2467 |
++++ b/drivers/block/loop.c |
2468 |
+@@ -651,6 +651,36 @@ static void loop_reread_partitions(struct loop_device *lo, |
2469 |
+ __func__, lo->lo_number, lo->lo_file_name, rc); |
2470 |
+ } |
2471 |
+ |
2472 |
++static inline int is_loop_device(struct file *file) |
2473 |
++{ |
2474 |
++ struct inode *i = file->f_mapping->host; |
2475 |
++ |
2476 |
++ return i && S_ISBLK(i->i_mode) && MAJOR(i->i_rdev) == LOOP_MAJOR; |
2477 |
++} |
2478 |
++ |
2479 |
++static int loop_validate_file(struct file *file, struct block_device *bdev) |
2480 |
++{ |
2481 |
++ struct inode *inode = file->f_mapping->host; |
2482 |
++ struct file *f = file; |
2483 |
++ |
2484 |
++ /* Avoid recursion */ |
2485 |
++ while (is_loop_device(f)) { |
2486 |
++ struct loop_device *l; |
2487 |
++ |
2488 |
++ if (f->f_mapping->host->i_bdev == bdev) |
2489 |
++ return -EBADF; |
2490 |
++ |
2491 |
++ l = f->f_mapping->host->i_bdev->bd_disk->private_data; |
2492 |
++ if (l->lo_state == Lo_unbound) { |
2493 |
++ return -EINVAL; |
2494 |
++ } |
2495 |
++ f = l->lo_backing_file; |
2496 |
++ } |
2497 |
++ if (!S_ISREG(inode->i_mode) && !S_ISBLK(inode->i_mode)) |
2498 |
++ return -EINVAL; |
2499 |
++ return 0; |
2500 |
++} |
2501 |
++ |
2502 |
+ /* |
2503 |
+ * loop_change_fd switched the backing store of a loopback device to |
2504 |
+ * a new file. This is useful for operating system installers to free up |
2505 |
+@@ -680,14 +710,15 @@ static int loop_change_fd(struct loop_device *lo, struct block_device *bdev, |
2506 |
+ if (!file) |
2507 |
+ goto out; |
2508 |
+ |
2509 |
++ error = loop_validate_file(file, bdev); |
2510 |
++ if (error) |
2511 |
++ goto out_putf; |
2512 |
++ |
2513 |
+ inode = file->f_mapping->host; |
2514 |
+ old_file = lo->lo_backing_file; |
2515 |
+ |
2516 |
+ error = -EINVAL; |
2517 |
+ |
2518 |
+- if (!S_ISREG(inode->i_mode) && !S_ISBLK(inode->i_mode)) |
2519 |
+- goto out_putf; |
2520 |
+- |
2521 |
+ /* size of the new backing store needs to be the same */ |
2522 |
+ if (get_loop_size(lo, file) != get_loop_size(lo, old_file)) |
2523 |
+ goto out_putf; |
2524 |
+@@ -708,13 +739,6 @@ static int loop_change_fd(struct loop_device *lo, struct block_device *bdev, |
2525 |
+ return error; |
2526 |
+ } |
2527 |
+ |
2528 |
+-static inline int is_loop_device(struct file *file) |
2529 |
+-{ |
2530 |
+- struct inode *i = file->f_mapping->host; |
2531 |
+- |
2532 |
+- return i && S_ISBLK(i->i_mode) && MAJOR(i->i_rdev) == LOOP_MAJOR; |
2533 |
+-} |
2534 |
+- |
2535 |
+ /* loop sysfs attributes */ |
2536 |
+ |
2537 |
+ static ssize_t loop_attr_show(struct device *dev, char *page, |
2538 |
+@@ -811,16 +835,17 @@ static struct attribute_group loop_attribute_group = { |
2539 |
+ .attrs= loop_attrs, |
2540 |
+ }; |
2541 |
+ |
2542 |
+-static int loop_sysfs_init(struct loop_device *lo) |
2543 |
++static void loop_sysfs_init(struct loop_device *lo) |
2544 |
+ { |
2545 |
+- return sysfs_create_group(&disk_to_dev(lo->lo_disk)->kobj, |
2546 |
+- &loop_attribute_group); |
2547 |
++ lo->sysfs_inited = !sysfs_create_group(&disk_to_dev(lo->lo_disk)->kobj, |
2548 |
++ &loop_attribute_group); |
2549 |
+ } |
2550 |
+ |
2551 |
+ static void loop_sysfs_exit(struct loop_device *lo) |
2552 |
+ { |
2553 |
+- sysfs_remove_group(&disk_to_dev(lo->lo_disk)->kobj, |
2554 |
+- &loop_attribute_group); |
2555 |
++ if (lo->sysfs_inited) |
2556 |
++ sysfs_remove_group(&disk_to_dev(lo->lo_disk)->kobj, |
2557 |
++ &loop_attribute_group); |
2558 |
+ } |
2559 |
+ |
2560 |
+ static void loop_config_discard(struct loop_device *lo) |
2561 |
+@@ -872,7 +897,7 @@ static int loop_prepare_queue(struct loop_device *lo) |
2562 |
+ static int loop_set_fd(struct loop_device *lo, fmode_t mode, |
2563 |
+ struct block_device *bdev, unsigned int arg) |
2564 |
+ { |
2565 |
+- struct file *file, *f; |
2566 |
++ struct file *file; |
2567 |
+ struct inode *inode; |
2568 |
+ struct address_space *mapping; |
2569 |
+ unsigned lo_blocksize; |
2570 |
+@@ -892,29 +917,13 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode, |
2571 |
+ if (lo->lo_state != Lo_unbound) |
2572 |
+ goto out_putf; |
2573 |
+ |
2574 |
+- /* Avoid recursion */ |
2575 |
+- f = file; |
2576 |
+- while (is_loop_device(f)) { |
2577 |
+- struct loop_device *l; |
2578 |
+- |
2579 |
+- if (f->f_mapping->host->i_bdev == bdev) |
2580 |
+- goto out_putf; |
2581 |
+- |
2582 |
+- l = f->f_mapping->host->i_bdev->bd_disk->private_data; |
2583 |
+- if (l->lo_state == Lo_unbound) { |
2584 |
+- error = -EINVAL; |
2585 |
+- goto out_putf; |
2586 |
+- } |
2587 |
+- f = l->lo_backing_file; |
2588 |
+- } |
2589 |
++ error = loop_validate_file(file, bdev); |
2590 |
++ if (error) |
2591 |
++ goto out_putf; |
2592 |
+ |
2593 |
+ mapping = file->f_mapping; |
2594 |
+ inode = mapping->host; |
2595 |
+ |
2596 |
+- error = -EINVAL; |
2597 |
+- if (!S_ISREG(inode->i_mode) && !S_ISBLK(inode->i_mode)) |
2598 |
+- goto out_putf; |
2599 |
+- |
2600 |
+ if (!(file->f_mode & FMODE_WRITE) || !(mode & FMODE_WRITE) || |
2601 |
+ !file->f_op->write_iter) |
2602 |
+ lo_flags |= LO_FLAGS_READ_ONLY; |
2603 |
+diff --git a/drivers/block/loop.h b/drivers/block/loop.h |
2604 |
+index fb2237c73e61..60f0fd2c0c65 100644 |
2605 |
+--- a/drivers/block/loop.h |
2606 |
++++ b/drivers/block/loop.h |
2607 |
+@@ -59,6 +59,7 @@ struct loop_device { |
2608 |
+ struct kthread_worker worker; |
2609 |
+ struct task_struct *worker_task; |
2610 |
+ bool use_dio; |
2611 |
++ bool sysfs_inited; |
2612 |
+ |
2613 |
+ struct request_queue *lo_queue; |
2614 |
+ struct blk_mq_tag_set tag_set; |
2615 |
+diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h |
2616 |
+index b316ab7e8996..60e2c9faa95f 100644 |
2617 |
+--- a/drivers/hid/hid-ids.h |
2618 |
++++ b/drivers/hid/hid-ids.h |
2619 |
+@@ -512,6 +512,9 @@ |
2620 |
+ #define USB_VENDOR_ID_IRTOUCHSYSTEMS 0x6615 |
2621 |
+ #define USB_DEVICE_ID_IRTOUCH_INFRARED_USB 0x0070 |
2622 |
+ |
2623 |
++#define USB_VENDOR_ID_INNOMEDIA 0x1292 |
2624 |
++#define USB_DEVICE_ID_INNEX_GENESIS_ATARI 0x4745 |
2625 |
++ |
2626 |
+ #define USB_VENDOR_ID_ITE 0x048d |
2627 |
+ #define USB_DEVICE_ID_ITE_LENOVO_YOGA 0x8386 |
2628 |
+ #define USB_DEVICE_ID_ITE_LENOVO_YOGA2 0x8350 |
2629 |
+diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c |
2630 |
+index ce1543d69acb..c9a11315493b 100644 |
2631 |
+--- a/drivers/hid/usbhid/hid-quirks.c |
2632 |
++++ b/drivers/hid/usbhid/hid-quirks.c |
2633 |
+@@ -152,6 +152,7 @@ static const struct hid_blacklist { |
2634 |
+ { USB_VENDOR_ID_MULTIPLE_1781, USB_DEVICE_ID_RAPHNET_4NES4SNES_OLD, HID_QUIRK_MULTI_INPUT }, |
2635 |
+ { USB_VENDOR_ID_DRACAL_RAPHNET, USB_DEVICE_ID_RAPHNET_2NES2SNES, HID_QUIRK_MULTI_INPUT }, |
2636 |
+ { USB_VENDOR_ID_DRACAL_RAPHNET, USB_DEVICE_ID_RAPHNET_4NES4SNES, HID_QUIRK_MULTI_INPUT }, |
2637 |
++ { USB_VENDOR_ID_INNOMEDIA, USB_DEVICE_ID_INNEX_GENESIS_ATARI, HID_QUIRK_MULTI_INPUT }, |
2638 |
+ |
2639 |
+ { 0, 0 } |
2640 |
+ }; |
2641 |
+diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig |
2642 |
+index aa26f3c3416b..c151bb625179 100644 |
2643 |
+--- a/drivers/infiniband/Kconfig |
2644 |
++++ b/drivers/infiniband/Kconfig |
2645 |
+@@ -33,6 +33,18 @@ config INFINIBAND_USER_ACCESS |
2646 |
+ libibverbs, libibcm and a hardware driver library from |
2647 |
+ <http://www.openfabrics.org/git/>. |
2648 |
+ |
2649 |
++config INFINIBAND_USER_ACCESS_UCM |
2650 |
++ bool "Userspace CM (UCM, DEPRECATED)" |
2651 |
++ depends on BROKEN |
2652 |
++ depends on INFINIBAND_USER_ACCESS |
2653 |
++ help |
2654 |
++ The UCM module has known security flaws, which no one is |
2655 |
++ interested to fix. The user-space part of this code was |
2656 |
++ dropped from the upstream a long time ago. |
2657 |
++ |
2658 |
++ This option is DEPRECATED and planned to be removed. |
2659 |
++ |
2660 |
++ |
2661 |
+ config INFINIBAND_USER_MEM |
2662 |
+ bool |
2663 |
+ depends on INFINIBAND_USER_ACCESS != n |
2664 |
+diff --git a/drivers/infiniband/core/Makefile b/drivers/infiniband/core/Makefile |
2665 |
+index d43a8994ac5c..737612a442be 100644 |
2666 |
+--- a/drivers/infiniband/core/Makefile |
2667 |
++++ b/drivers/infiniband/core/Makefile |
2668 |
+@@ -5,8 +5,8 @@ obj-$(CONFIG_INFINIBAND) += ib_core.o ib_mad.o ib_sa.o \ |
2669 |
+ ib_cm.o iw_cm.o ib_addr.o \ |
2670 |
+ $(infiniband-y) |
2671 |
+ obj-$(CONFIG_INFINIBAND_USER_MAD) += ib_umad.o |
2672 |
+-obj-$(CONFIG_INFINIBAND_USER_ACCESS) += ib_uverbs.o ib_ucm.o \ |
2673 |
+- $(user_access-y) |
2674 |
++obj-$(CONFIG_INFINIBAND_USER_ACCESS) += ib_uverbs.o $(user_access-y) |
2675 |
++obj-$(CONFIG_INFINIBAND_USER_ACCESS_UCM) += ib_ucm.o $(user_access-y) |
2676 |
+ |
2677 |
+ ib_core-y := packer.o ud_header.o verbs.o sysfs.o \ |
2678 |
+ device.o fmr_pool.o cache.o netlink.o \ |
2679 |
+diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c |
2680 |
+index e1629ab58db7..8218d714fa01 100644 |
2681 |
+--- a/drivers/infiniband/hw/cxgb4/mem.c |
2682 |
++++ b/drivers/infiniband/hw/cxgb4/mem.c |
2683 |
+@@ -926,7 +926,7 @@ static int c4iw_set_page(struct ib_mr *ibmr, u64 addr) |
2684 |
+ { |
2685 |
+ struct c4iw_mr *mhp = to_c4iw_mr(ibmr); |
2686 |
+ |
2687 |
+- if (unlikely(mhp->mpl_len == mhp->max_mpl_len)) |
2688 |
++ if (unlikely(mhp->mpl_len == mhp->attr.pbl_size)) |
2689 |
+ return -ENOMEM; |
2690 |
+ |
2691 |
+ mhp->mpl[mhp->mpl_len++] = addr; |
2692 |
+diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c |
2693 |
+index e8b933111e0d..92109cadc3fc 100644 |
2694 |
+--- a/drivers/misc/ibmasm/ibmasmfs.c |
2695 |
++++ b/drivers/misc/ibmasm/ibmasmfs.c |
2696 |
+@@ -507,35 +507,14 @@ static int remote_settings_file_close(struct inode *inode, struct file *file) |
2697 |
+ static ssize_t remote_settings_file_read(struct file *file, char __user *buf, size_t count, loff_t *offset) |
2698 |
+ { |
2699 |
+ void __iomem *address = (void __iomem *)file->private_data; |
2700 |
+- unsigned char *page; |
2701 |
+- int retval; |
2702 |
+ int len = 0; |
2703 |
+ unsigned int value; |
2704 |
+- |
2705 |
+- if (*offset < 0) |
2706 |
+- return -EINVAL; |
2707 |
+- if (count == 0 || count > 1024) |
2708 |
+- return 0; |
2709 |
+- if (*offset != 0) |
2710 |
+- return 0; |
2711 |
+- |
2712 |
+- page = (unsigned char *)__get_free_page(GFP_KERNEL); |
2713 |
+- if (!page) |
2714 |
+- return -ENOMEM; |
2715 |
++ char lbuf[20]; |
2716 |
+ |
2717 |
+ value = readl(address); |
2718 |
+- len = sprintf(page, "%d\n", value); |
2719 |
+- |
2720 |
+- if (copy_to_user(buf, page, len)) { |
2721 |
+- retval = -EFAULT; |
2722 |
+- goto exit; |
2723 |
+- } |
2724 |
+- *offset += len; |
2725 |
+- retval = len; |
2726 |
++ len = snprintf(lbuf, sizeof(lbuf), "%d\n", value); |
2727 |
+ |
2728 |
+-exit: |
2729 |
+- free_page((unsigned long)page); |
2730 |
+- return retval; |
2731 |
++ return simple_read_from_buffer(buf, count, offset, lbuf, len); |
2732 |
+ } |
2733 |
+ |
2734 |
+ static ssize_t remote_settings_file_write(struct file *file, const char __user *ubuff, size_t count, loff_t *offset) |
2735 |
+diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c |
2736 |
+index fe90b7e04427..5e047bfc0cc4 100644 |
2737 |
+--- a/drivers/misc/vmw_balloon.c |
2738 |
++++ b/drivers/misc/vmw_balloon.c |
2739 |
+@@ -467,7 +467,7 @@ static int vmballoon_send_batched_lock(struct vmballoon *b, |
2740 |
+ unsigned int num_pages, bool is_2m_pages, unsigned int *target) |
2741 |
+ { |
2742 |
+ unsigned long status; |
2743 |
+- unsigned long pfn = page_to_pfn(b->page); |
2744 |
++ unsigned long pfn = PHYS_PFN(virt_to_phys(b->batch_page)); |
2745 |
+ |
2746 |
+ STATS_INC(b->stats.lock[is_2m_pages]); |
2747 |
+ |
2748 |
+@@ -515,7 +515,7 @@ static bool vmballoon_send_batched_unlock(struct vmballoon *b, |
2749 |
+ unsigned int num_pages, bool is_2m_pages, unsigned int *target) |
2750 |
+ { |
2751 |
+ unsigned long status; |
2752 |
+- unsigned long pfn = page_to_pfn(b->page); |
2753 |
++ unsigned long pfn = PHYS_PFN(virt_to_phys(b->batch_page)); |
2754 |
+ |
2755 |
+ STATS_INC(b->stats.unlock[is_2m_pages]); |
2756 |
+ |
2757 |
+diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c |
2758 |
+index 40ce175655e6..99f67764765f 100644 |
2759 |
+--- a/drivers/usb/core/quirks.c |
2760 |
++++ b/drivers/usb/core/quirks.c |
2761 |
+@@ -231,6 +231,10 @@ static const struct usb_device_id usb_quirk_list[] = { |
2762 |
+ /* Corsair K70 RGB */ |
2763 |
+ { USB_DEVICE(0x1b1c, 0x1b13), .driver_info = USB_QUIRK_DELAY_INIT }, |
2764 |
+ |
2765 |
++ /* Corsair Strafe */ |
2766 |
++ { USB_DEVICE(0x1b1c, 0x1b15), .driver_info = USB_QUIRK_DELAY_INIT | |
2767 |
++ USB_QUIRK_DELAY_CTRL_MSG }, |
2768 |
++ |
2769 |
+ /* Corsair Strafe RGB */ |
2770 |
+ { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT | |
2771 |
+ USB_QUIRK_DELAY_CTRL_MSG }, |
2772 |
+diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c |
2773 |
+index e4cf3322bcb3..0ec809a35a3f 100644 |
2774 |
+--- a/drivers/usb/host/xhci-mem.c |
2775 |
++++ b/drivers/usb/host/xhci-mem.c |
2776 |
+@@ -638,7 +638,7 @@ struct xhci_ring *xhci_stream_id_to_ring( |
2777 |
+ if (!ep->stream_info) |
2778 |
+ return NULL; |
2779 |
+ |
2780 |
+- if (stream_id > ep->stream_info->num_streams) |
2781 |
++ if (stream_id >= ep->stream_info->num_streams) |
2782 |
+ return NULL; |
2783 |
+ return ep->stream_info->stream_rings[stream_id]; |
2784 |
+ } |
2785 |
+diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c |
2786 |
+index 343fa6ff9f4b..512c84adcace 100644 |
2787 |
+--- a/drivers/usb/misc/yurex.c |
2788 |
++++ b/drivers/usb/misc/yurex.c |
2789 |
+@@ -414,8 +414,7 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count, |
2790 |
+ loff_t *ppos) |
2791 |
+ { |
2792 |
+ struct usb_yurex *dev; |
2793 |
+- int retval = 0; |
2794 |
+- int bytes_read = 0; |
2795 |
++ int len = 0; |
2796 |
+ char in_buffer[20]; |
2797 |
+ unsigned long flags; |
2798 |
+ |
2799 |
+@@ -423,26 +422,16 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count, |
2800 |
+ |
2801 |
+ mutex_lock(&dev->io_mutex); |
2802 |
+ if (!dev->interface) { /* already disconnected */ |
2803 |
+- retval = -ENODEV; |
2804 |
+- goto exit; |
2805 |
++ mutex_unlock(&dev->io_mutex); |
2806 |
++ return -ENODEV; |
2807 |
+ } |
2808 |
+ |
2809 |
+ spin_lock_irqsave(&dev->lock, flags); |
2810 |
+- bytes_read = snprintf(in_buffer, 20, "%lld\n", dev->bbu); |
2811 |
++ len = snprintf(in_buffer, 20, "%lld\n", dev->bbu); |
2812 |
+ spin_unlock_irqrestore(&dev->lock, flags); |
2813 |
+- |
2814 |
+- if (*ppos < bytes_read) { |
2815 |
+- if (copy_to_user(buffer, in_buffer + *ppos, bytes_read - *ppos)) |
2816 |
+- retval = -EFAULT; |
2817 |
+- else { |
2818 |
+- retval = bytes_read - *ppos; |
2819 |
+- *ppos += bytes_read; |
2820 |
+- } |
2821 |
+- } |
2822 |
+- |
2823 |
+-exit: |
2824 |
+ mutex_unlock(&dev->io_mutex); |
2825 |
+- return retval; |
2826 |
++ |
2827 |
++ return simple_read_from_buffer(buffer, count, ppos, in_buffer, len); |
2828 |
+ } |
2829 |
+ |
2830 |
+ static ssize_t yurex_write(struct file *file, const char __user *user_buffer, |
2831 |
+diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c |
2832 |
+index 71133d96f97d..f73ea14e8173 100644 |
2833 |
+--- a/drivers/usb/serial/ch341.c |
2834 |
++++ b/drivers/usb/serial/ch341.c |
2835 |
+@@ -118,7 +118,7 @@ static int ch341_control_in(struct usb_device *dev, |
2836 |
+ r = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), request, |
2837 |
+ USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, |
2838 |
+ value, index, buf, bufsize, DEFAULT_TIMEOUT); |
2839 |
+- if (r < bufsize) { |
2840 |
++ if (r < (int)bufsize) { |
2841 |
+ if (r >= 0) { |
2842 |
+ dev_err(&dev->dev, |
2843 |
+ "short control message received (%d < %u)\n", |
2844 |
+diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c |
2845 |
+index 73835027a7cc..97382301c393 100644 |
2846 |
+--- a/drivers/usb/serial/cp210x.c |
2847 |
++++ b/drivers/usb/serial/cp210x.c |
2848 |
+@@ -145,6 +145,7 @@ static const struct usb_device_id id_table[] = { |
2849 |
+ { USB_DEVICE(0x10C4, 0x8977) }, /* CEL MeshWorks DevKit Device */ |
2850 |
+ { USB_DEVICE(0x10C4, 0x8998) }, /* KCF Technologies PRN */ |
2851 |
+ { USB_DEVICE(0x10C4, 0x89A4) }, /* CESINEL FTBC Flexible Thyristor Bridge Controller */ |
2852 |
++ { USB_DEVICE(0x10C4, 0x89FB) }, /* Qivicon ZigBee USB Radio Stick */ |
2853 |
+ { USB_DEVICE(0x10C4, 0x8A2A) }, /* HubZ dual ZigBee and Z-Wave dongle */ |
2854 |
+ { USB_DEVICE(0x10C4, 0x8A5E) }, /* CEL EM3588 ZigBee USB Stick Long Range */ |
2855 |
+ { USB_DEVICE(0x10C4, 0x8B34) }, /* Qivicon ZigBee USB Radio Stick */ |
2856 |
+diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c |
2857 |
+index 6b0942428917..8a4047de43dc 100644 |
2858 |
+--- a/drivers/usb/serial/keyspan_pda.c |
2859 |
++++ b/drivers/usb/serial/keyspan_pda.c |
2860 |
+@@ -373,8 +373,10 @@ static int keyspan_pda_get_modem_info(struct usb_serial *serial, |
2861 |
+ 3, /* get pins */ |
2862 |
+ USB_TYPE_VENDOR|USB_RECIP_INTERFACE|USB_DIR_IN, |
2863 |
+ 0, 0, data, 1, 2000); |
2864 |
+- if (rc >= 0) |
2865 |
++ if (rc == 1) |
2866 |
+ *value = *data; |
2867 |
++ else if (rc >= 0) |
2868 |
++ rc = -EIO; |
2869 |
+ |
2870 |
+ kfree(data); |
2871 |
+ return rc; |
2872 |
+diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c |
2873 |
+index ed883a7ad533..58ba6904a087 100644 |
2874 |
+--- a/drivers/usb/serial/mos7840.c |
2875 |
++++ b/drivers/usb/serial/mos7840.c |
2876 |
+@@ -482,6 +482,9 @@ static void mos7840_control_callback(struct urb *urb) |
2877 |
+ } |
2878 |
+ |
2879 |
+ dev_dbg(dev, "%s urb buffer size is %d\n", __func__, urb->actual_length); |
2880 |
++ if (urb->actual_length < 1) |
2881 |
++ goto out; |
2882 |
++ |
2883 |
+ dev_dbg(dev, "%s mos7840_port->MsrLsr is %d port %d\n", __func__, |
2884 |
+ mos7840_port->MsrLsr, mos7840_port->port_num); |
2885 |
+ data = urb->transfer_buffer; |
2886 |
+diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c |
2887 |
+index 7efd70bfeaf7..d106b981d86f 100644 |
2888 |
+--- a/fs/btrfs/disk-io.c |
2889 |
++++ b/fs/btrfs/disk-io.c |
2890 |
+@@ -923,7 +923,7 @@ static int check_async_write(struct inode *inode, unsigned long bio_flags) |
2891 |
+ if (bio_flags & EXTENT_BIO_TREE_LOG) |
2892 |
+ return 0; |
2893 |
+ #ifdef CONFIG_X86 |
2894 |
+- if (static_cpu_has_safe(X86_FEATURE_XMM4_2)) |
2895 |
++ if (static_cpu_has(X86_FEATURE_XMM4_2)) |
2896 |
+ return 0; |
2897 |
+ #endif |
2898 |
+ return 1; |
2899 |
+diff --git a/fs/inode.c b/fs/inode.c |
2900 |
+index b95615f3fc50..a39c2724d8a0 100644 |
2901 |
+--- a/fs/inode.c |
2902 |
++++ b/fs/inode.c |
2903 |
+@@ -1937,8 +1937,14 @@ void inode_init_owner(struct inode *inode, const struct inode *dir, |
2904 |
+ inode->i_uid = current_fsuid(); |
2905 |
+ if (dir && dir->i_mode & S_ISGID) { |
2906 |
+ inode->i_gid = dir->i_gid; |
2907 |
++ |
2908 |
++ /* Directories are special, and always inherit S_ISGID */ |
2909 |
+ if (S_ISDIR(mode)) |
2910 |
+ mode |= S_ISGID; |
2911 |
++ else if ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP) && |
2912 |
++ !in_group_p(inode->i_gid) && |
2913 |
++ !capable_wrt_inode_uidgid(dir, CAP_FSETID)) |
2914 |
++ mode &= ~S_ISGID; |
2915 |
+ } else |
2916 |
+ inode->i_gid = current_fsgid(); |
2917 |
+ inode->i_mode = mode; |
2918 |
+diff --git a/include/linux/libata.h b/include/linux/libata.h |
2919 |
+index b20a2752f934..6428ac4746de 100644 |
2920 |
+--- a/include/linux/libata.h |
2921 |
++++ b/include/linux/libata.h |
2922 |
+@@ -210,6 +210,7 @@ enum { |
2923 |
+ ATA_FLAG_SLAVE_POSS = (1 << 0), /* host supports slave dev */ |
2924 |
+ /* (doesn't imply presence) */ |
2925 |
+ ATA_FLAG_SATA = (1 << 1), |
2926 |
++ ATA_FLAG_NO_LPM = (1 << 2), /* host not happy with LPM */ |
2927 |
+ ATA_FLAG_NO_LOG_PAGE = (1 << 5), /* do not issue log page read */ |
2928 |
+ ATA_FLAG_NO_ATAPI = (1 << 6), /* No ATAPI support */ |
2929 |
+ ATA_FLAG_PIO_DMA = (1 << 7), /* PIO cmds via DMA */ |
2930 |
+diff --git a/kernel/power/user.c b/kernel/power/user.c |
2931 |
+index 526e8911460a..f83c1876b39c 100644 |
2932 |
+--- a/kernel/power/user.c |
2933 |
++++ b/kernel/power/user.c |
2934 |
+@@ -184,6 +184,11 @@ static ssize_t snapshot_write(struct file *filp, const char __user *buf, |
2935 |
+ res = PAGE_SIZE - pg_offp; |
2936 |
+ } |
2937 |
+ |
2938 |
++ if (!data_of(data->handle)) { |
2939 |
++ res = -EINVAL; |
2940 |
++ goto unlock; |
2941 |
++ } |
2942 |
++ |
2943 |
+ res = simple_write_to_buffer(data_of(data->handle), res, &pg_offp, |
2944 |
+ buf, count); |
2945 |
+ if (res > 0) |
2946 |
+diff --git a/lib/atomic64_test.c b/lib/atomic64_test.c |
2947 |
+index 83c33a5bcffb..de67fea3cf46 100644 |
2948 |
+--- a/lib/atomic64_test.c |
2949 |
++++ b/lib/atomic64_test.c |
2950 |
+@@ -16,6 +16,10 @@ |
2951 |
+ #include <linux/kernel.h> |
2952 |
+ #include <linux/atomic.h> |
2953 |
+ |
2954 |
++#ifdef CONFIG_X86 |
2955 |
++#include <asm/cpufeature.h> /* for boot_cpu_has below */ |
2956 |
++#endif |
2957 |
++ |
2958 |
+ #define TEST(bit, op, c_op, val) \ |
2959 |
+ do { \ |
2960 |
+ atomic##bit##_set(&v, v0); \ |
2961 |
+diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c |
2962 |
+index 9f70c267a7a5..665fd87cc105 100644 |
2963 |
+--- a/net/bridge/netfilter/ebtables.c |
2964 |
++++ b/net/bridge/netfilter/ebtables.c |
2965 |
+@@ -701,6 +701,8 @@ ebt_check_entry(struct ebt_entry *e, struct net *net, |
2966 |
+ } |
2967 |
+ i = 0; |
2968 |
+ |
2969 |
++ memset(&mtpar, 0, sizeof(mtpar)); |
2970 |
++ memset(&tgpar, 0, sizeof(tgpar)); |
2971 |
+ mtpar.net = tgpar.net = net; |
2972 |
+ mtpar.table = tgpar.table = name; |
2973 |
+ mtpar.entryinfo = tgpar.entryinfo = e; |
2974 |
+diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c |
2975 |
+index dac62b5e7fe3..9363c1a70f16 100644 |
2976 |
+--- a/net/ipv4/netfilter/ip_tables.c |
2977 |
++++ b/net/ipv4/netfilter/ip_tables.c |
2978 |
+@@ -663,6 +663,7 @@ find_check_entry(struct ipt_entry *e, struct net *net, const char *name, |
2979 |
+ return -ENOMEM; |
2980 |
+ |
2981 |
+ j = 0; |
2982 |
++ memset(&mtpar, 0, sizeof(mtpar)); |
2983 |
+ mtpar.net = net; |
2984 |
+ mtpar.table = name; |
2985 |
+ mtpar.entryinfo = &e->ip; |
2986 |
+diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c |
2987 |
+index 795c343347ec..6cb9e35d23ac 100644 |
2988 |
+--- a/net/ipv6/netfilter/ip6_tables.c |
2989 |
++++ b/net/ipv6/netfilter/ip6_tables.c |
2990 |
+@@ -676,6 +676,7 @@ find_check_entry(struct ip6t_entry *e, struct net *net, const char *name, |
2991 |
+ return -ENOMEM; |
2992 |
+ |
2993 |
+ j = 0; |
2994 |
++ memset(&mtpar, 0, sizeof(mtpar)); |
2995 |
+ mtpar.net = net; |
2996 |
+ mtpar.table = name; |
2997 |
+ mtpar.entryinfo = &e->ipv6; |
2998 |
+diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c |
2999 |
+index 7edcfda288c4..54cde78c2718 100644 |
3000 |
+--- a/net/netfilter/nfnetlink_queue.c |
3001 |
++++ b/net/netfilter/nfnetlink_queue.c |
3002 |
+@@ -1106,6 +1106,9 @@ nfqnl_recv_unsupp(struct sock *ctnl, struct sk_buff *skb, |
3003 |
+ static const struct nla_policy nfqa_cfg_policy[NFQA_CFG_MAX+1] = { |
3004 |
+ [NFQA_CFG_CMD] = { .len = sizeof(struct nfqnl_msg_config_cmd) }, |
3005 |
+ [NFQA_CFG_PARAMS] = { .len = sizeof(struct nfqnl_msg_config_params) }, |
3006 |
++ [NFQA_CFG_QUEUE_MAXLEN] = { .type = NLA_U32 }, |
3007 |
++ [NFQA_CFG_MASK] = { .type = NLA_U32 }, |
3008 |
++ [NFQA_CFG_FLAGS] = { .type = NLA_U32 }, |
3009 |
+ }; |
3010 |
+ |
3011 |
+ static const struct nf_queue_handler nfqh = { |
3012 |
+diff --git a/tools/build/Build.include b/tools/build/Build.include |
3013 |
+index 4d000bc959b4..1c570528baf7 100644 |
3014 |
+--- a/tools/build/Build.include |
3015 |
++++ b/tools/build/Build.include |
3016 |
+@@ -62,8 +62,8 @@ dep-cmd = $(if $(wildcard $(fixdep)), |
3017 |
+ $(fixdep) $(depfile) $@ '$(make-cmd)' > $(dot-target).tmp; \ |
3018 |
+ rm -f $(depfile); \ |
3019 |
+ mv -f $(dot-target).tmp $(dot-target).cmd, \ |
3020 |
+- printf '\# cannot find fixdep (%s)\n' $(fixdep) > $(dot-target).cmd; \ |
3021 |
+- printf '\# using basic dep data\n\n' >> $(dot-target).cmd; \ |
3022 |
++ printf '$(pound) cannot find fixdep (%s)\n' $(fixdep) > $(dot-target).cmd; \ |
3023 |
++ printf '$(pound) using basic dep data\n\n' >> $(dot-target).cmd; \ |
3024 |
+ cat $(depfile) >> $(dot-target).cmd; \ |
3025 |
+ printf '%s\n' 'cmd_$@ := $(make-cmd)' >> $(dot-target).cmd) |
3026 |
+ |