1 |
commit: 3d7680c8b479e62dc905fdd532f8991b45ec5c37 |
2 |
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> |
3 |
AuthorDate: Wed Feb 23 12:37:57 2022 +0000 |
4 |
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> |
5 |
CommitDate: Wed Feb 23 12:37:57 2022 +0000 |
6 |
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=3d7680c8 |
7 |
|
8 |
Linux patch 5.4.181 |
9 |
|
10 |
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org> |
11 |
|
12 |
0000_README | 4 + |
13 |
1180_linux-5.4.181.patch | 2733 ++++++++++++++++++++++++++++++++++++++++++++++ |
14 |
2 files changed, 2737 insertions(+) |
15 |
|
16 |
diff --git a/0000_README b/0000_README |
17 |
index d666a174..7ddf9a06 100644 |
18 |
--- a/0000_README |
19 |
+++ b/0000_README |
20 |
@@ -763,6 +763,10 @@ Patch: 1179_linux-5.4.180.patch |
21 |
From: http://www.kernel.org |
22 |
Desc: Linux 5.4.180 |
23 |
|
24 |
+Patch: 1180_linux-5.4.181.patch |
25 |
+From: http://www.kernel.org |
26 |
+Desc: Linux 5.4.181 |
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/1180_linux-5.4.181.patch b/1180_linux-5.4.181.patch |
33 |
new file mode 100644 |
34 |
index 00000000..9f5693ce |
35 |
--- /dev/null |
36 |
+++ b/1180_linux-5.4.181.patch |
37 |
@@ -0,0 +1,2733 @@ |
38 |
+diff --git a/Makefile b/Makefile |
39 |
+index 6eb6645647147..afe2420bb3de0 100644 |
40 |
+--- a/Makefile |
41 |
++++ b/Makefile |
42 |
+@@ -1,7 +1,7 @@ |
43 |
+ # SPDX-License-Identifier: GPL-2.0 |
44 |
+ VERSION = 5 |
45 |
+ PATCHLEVEL = 4 |
46 |
+-SUBLEVEL = 180 |
47 |
++SUBLEVEL = 181 |
48 |
+ EXTRAVERSION = |
49 |
+ NAME = Kleptomaniac Octopus |
50 |
+ |
51 |
+diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c |
52 |
+index 46012ca812f48..1bd64f6ba8cfe 100644 |
53 |
+--- a/arch/arm/mach-omap2/display.c |
54 |
++++ b/arch/arm/mach-omap2/display.c |
55 |
+@@ -263,9 +263,9 @@ static int __init omapdss_init_of(void) |
56 |
+ } |
57 |
+ |
58 |
+ r = of_platform_populate(node, NULL, NULL, &pdev->dev); |
59 |
++ put_device(&pdev->dev); |
60 |
+ if (r) { |
61 |
+ pr_err("Unable to populate DSS submodule devices\n"); |
62 |
+- put_device(&pdev->dev); |
63 |
+ return r; |
64 |
+ } |
65 |
+ |
66 |
+diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c |
67 |
+index 6289b288d60a6..202b740adee0e 100644 |
68 |
+--- a/arch/arm/mach-omap2/omap_hwmod.c |
69 |
++++ b/arch/arm/mach-omap2/omap_hwmod.c |
70 |
+@@ -782,8 +782,10 @@ static int __init _init_clkctrl_providers(void) |
71 |
+ |
72 |
+ for_each_matching_node(np, ti_clkctrl_match_table) { |
73 |
+ ret = _setup_clkctrl_provider(np); |
74 |
+- if (ret) |
75 |
++ if (ret) { |
76 |
++ of_node_put(np); |
77 |
+ break; |
78 |
++ } |
79 |
+ } |
80 |
+ |
81 |
+ return ret; |
82 |
+diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi |
83 |
+index 9533c85fb0a30..d2d255a988a81 100644 |
84 |
+--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi |
85 |
++++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi |
86 |
+@@ -76,6 +76,12 @@ |
87 |
+ no-map; |
88 |
+ }; |
89 |
+ |
90 |
++ /* 32 MiB reserved for ARM Trusted Firmware (BL32) */ |
91 |
++ secmon_reserved_bl32: secmon@5300000 { |
92 |
++ reg = <0x0 0x05300000 0x0 0x2000000>; |
93 |
++ no-map; |
94 |
++ }; |
95 |
++ |
96 |
+ linux,cma { |
97 |
+ compatible = "shared-dma-pool"; |
98 |
+ reusable; |
99 |
+diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts |
100 |
+index b8d9e92197ac8..c76bf498ee388 100644 |
101 |
+--- a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts |
102 |
++++ b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts |
103 |
+@@ -157,14 +157,6 @@ |
104 |
+ regulator-always-on; |
105 |
+ }; |
106 |
+ |
107 |
+- reserved-memory { |
108 |
+- /* TEE Reserved Memory */ |
109 |
+- bl32_reserved: bl32@5000000 { |
110 |
+- reg = <0x0 0x05300000 0x0 0x2000000>; |
111 |
+- no-map; |
112 |
+- }; |
113 |
+- }; |
114 |
+- |
115 |
+ sdio_pwrseq: sdio-pwrseq { |
116 |
+ compatible = "mmc-pwrseq-simple"; |
117 |
+ reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>; |
118 |
+diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi |
119 |
+index ce230d6ac35cd..ad7bc0eec6682 100644 |
120 |
+--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi |
121 |
++++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi |
122 |
+@@ -41,6 +41,12 @@ |
123 |
+ no-map; |
124 |
+ }; |
125 |
+ |
126 |
++ /* 32 MiB reserved for ARM Trusted Firmware (BL32) */ |
127 |
++ secmon_reserved_bl32: secmon@5300000 { |
128 |
++ reg = <0x0 0x05300000 0x0 0x2000000>; |
129 |
++ no-map; |
130 |
++ }; |
131 |
++ |
132 |
+ linux,cma { |
133 |
+ compatible = "shared-dma-pool"; |
134 |
+ reusable; |
135 |
+diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts |
136 |
+index 29ac78ddc057e..85fb59060cdff 100644 |
137 |
+--- a/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts |
138 |
++++ b/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts |
139 |
+@@ -164,14 +164,6 @@ |
140 |
+ regulator-always-on; |
141 |
+ }; |
142 |
+ |
143 |
+- reserved-memory { |
144 |
+- /* TEE Reserved Memory */ |
145 |
+- bl32_reserved: bl32@5000000 { |
146 |
+- reg = <0x0 0x05300000 0x0 0x2000000>; |
147 |
+- no-map; |
148 |
+- }; |
149 |
+- }; |
150 |
+- |
151 |
+ sdio_pwrseq: sdio-pwrseq { |
152 |
+ compatible = "mmc-pwrseq-simple"; |
153 |
+ reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>; |
154 |
+diff --git a/arch/arm64/kernel/ftrace.c b/arch/arm64/kernel/ftrace.c |
155 |
+index 06e56b4703153..822718eafdb44 100644 |
156 |
+--- a/arch/arm64/kernel/ftrace.c |
157 |
++++ b/arch/arm64/kernel/ftrace.c |
158 |
+@@ -73,9 +73,21 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) |
159 |
+ |
160 |
+ if (offset < -SZ_128M || offset >= SZ_128M) { |
161 |
+ #ifdef CONFIG_ARM64_MODULE_PLTS |
162 |
+- struct plt_entry trampoline, *dst; |
163 |
+ struct module *mod; |
164 |
+ |
165 |
++ /* |
166 |
++ * There is only one ftrace trampoline per module. For now, |
167 |
++ * this is not a problem since on arm64, all dynamic ftrace |
168 |
++ * invocations are routed via ftrace_caller(). This will need |
169 |
++ * to be revisited if support for multiple ftrace entry points |
170 |
++ * is added in the future, but for now, the pr_err() below |
171 |
++ * deals with a theoretical issue only. |
172 |
++ */ |
173 |
++ if (addr != FTRACE_ADDR) { |
174 |
++ pr_err("ftrace: far branches to multiple entry points unsupported inside a single module\n"); |
175 |
++ return -EINVAL; |
176 |
++ } |
177 |
++ |
178 |
+ /* |
179 |
+ * On kernels that support module PLTs, the offset between the |
180 |
+ * branch instruction and its target may legally exceed the |
181 |
+@@ -93,46 +105,7 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) |
182 |
+ if (WARN_ON(!mod)) |
183 |
+ return -EINVAL; |
184 |
+ |
185 |
+- /* |
186 |
+- * There is only one ftrace trampoline per module. For now, |
187 |
+- * this is not a problem since on arm64, all dynamic ftrace |
188 |
+- * invocations are routed via ftrace_caller(). This will need |
189 |
+- * to be revisited if support for multiple ftrace entry points |
190 |
+- * is added in the future, but for now, the pr_err() below |
191 |
+- * deals with a theoretical issue only. |
192 |
+- * |
193 |
+- * Note that PLTs are place relative, and plt_entries_equal() |
194 |
+- * checks whether they point to the same target. Here, we need |
195 |
+- * to check if the actual opcodes are in fact identical, |
196 |
+- * regardless of the offset in memory so use memcmp() instead. |
197 |
+- */ |
198 |
+- dst = mod->arch.ftrace_trampoline; |
199 |
+- trampoline = get_plt_entry(addr, dst); |
200 |
+- if (memcmp(dst, &trampoline, sizeof(trampoline))) { |
201 |
+- if (plt_entry_is_initialized(dst)) { |
202 |
+- pr_err("ftrace: far branches to multiple entry points unsupported inside a single module\n"); |
203 |
+- return -EINVAL; |
204 |
+- } |
205 |
+- |
206 |
+- /* point the trampoline to our ftrace entry point */ |
207 |
+- module_disable_ro(mod); |
208 |
+- *dst = trampoline; |
209 |
+- module_enable_ro(mod, true); |
210 |
+- |
211 |
+- /* |
212 |
+- * Ensure updated trampoline is visible to instruction |
213 |
+- * fetch before we patch in the branch. Although the |
214 |
+- * architecture doesn't require an IPI in this case, |
215 |
+- * Neoverse-N1 erratum #1542419 does require one |
216 |
+- * if the TLB maintenance in module_enable_ro() is |
217 |
+- * skipped due to rodata_enabled. It doesn't seem worth |
218 |
+- * it to make it conditional given that this is |
219 |
+- * certainly not a fast-path. |
220 |
+- */ |
221 |
+- flush_icache_range((unsigned long)&dst[0], |
222 |
+- (unsigned long)&dst[1]); |
223 |
+- } |
224 |
+- addr = (unsigned long)dst; |
225 |
++ addr = (unsigned long)mod->arch.ftrace_trampoline; |
226 |
+ #else /* CONFIG_ARM64_MODULE_PLTS */ |
227 |
+ return -EINVAL; |
228 |
+ #endif /* CONFIG_ARM64_MODULE_PLTS */ |
229 |
+diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c |
230 |
+index 03ff15bffbb6d..d0692ecb99bb0 100644 |
231 |
+--- a/arch/arm64/kernel/module.c |
232 |
++++ b/arch/arm64/kernel/module.c |
233 |
+@@ -9,6 +9,7 @@ |
234 |
+ |
235 |
+ #include <linux/bitops.h> |
236 |
+ #include <linux/elf.h> |
237 |
++#include <linux/ftrace.h> |
238 |
+ #include <linux/gfp.h> |
239 |
+ #include <linux/kasan.h> |
240 |
+ #include <linux/kernel.h> |
241 |
+@@ -470,22 +471,48 @@ overflow: |
242 |
+ return -ENOEXEC; |
243 |
+ } |
244 |
+ |
245 |
+-int module_finalize(const Elf_Ehdr *hdr, |
246 |
+- const Elf_Shdr *sechdrs, |
247 |
+- struct module *me) |
248 |
++static const Elf_Shdr *find_section(const Elf_Ehdr *hdr, |
249 |
++ const Elf_Shdr *sechdrs, |
250 |
++ const char *name) |
251 |
+ { |
252 |
+ const Elf_Shdr *s, *se; |
253 |
+ const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; |
254 |
+ |
255 |
+ for (s = sechdrs, se = sechdrs + hdr->e_shnum; s < se; s++) { |
256 |
+- if (strcmp(".altinstructions", secstrs + s->sh_name) == 0) |
257 |
+- apply_alternatives_module((void *)s->sh_addr, s->sh_size); |
258 |
+-#ifdef CONFIG_ARM64_MODULE_PLTS |
259 |
+- if (IS_ENABLED(CONFIG_DYNAMIC_FTRACE) && |
260 |
+- !strcmp(".text.ftrace_trampoline", secstrs + s->sh_name)) |
261 |
+- me->arch.ftrace_trampoline = (void *)s->sh_addr; |
262 |
+-#endif |
263 |
++ if (strcmp(name, secstrs + s->sh_name) == 0) |
264 |
++ return s; |
265 |
+ } |
266 |
+ |
267 |
++ return NULL; |
268 |
++} |
269 |
++ |
270 |
++static int module_init_ftrace_plt(const Elf_Ehdr *hdr, |
271 |
++ const Elf_Shdr *sechdrs, |
272 |
++ struct module *mod) |
273 |
++{ |
274 |
++#if defined(CONFIG_ARM64_MODULE_PLTS) && defined(CONFIG_DYNAMIC_FTRACE) |
275 |
++ const Elf_Shdr *s; |
276 |
++ struct plt_entry *plt; |
277 |
++ |
278 |
++ s = find_section(hdr, sechdrs, ".text.ftrace_trampoline"); |
279 |
++ if (!s) |
280 |
++ return -ENOEXEC; |
281 |
++ |
282 |
++ plt = (void *)s->sh_addr; |
283 |
++ *plt = get_plt_entry(FTRACE_ADDR, plt); |
284 |
++ mod->arch.ftrace_trampoline = plt; |
285 |
++#endif |
286 |
+ return 0; |
287 |
+ } |
288 |
++ |
289 |
++int module_finalize(const Elf_Ehdr *hdr, |
290 |
++ const Elf_Shdr *sechdrs, |
291 |
++ struct module *me) |
292 |
++{ |
293 |
++ const Elf_Shdr *s; |
294 |
++ s = find_section(hdr, sechdrs, ".altinstructions"); |
295 |
++ if (s) |
296 |
++ apply_alternatives_module((void *)s->sh_addr, s->sh_size); |
297 |
++ |
298 |
++ return module_init_ftrace_plt(hdr, sechdrs, me); |
299 |
++} |
300 |
+diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile |
301 |
+index caa90ae0b4acc..04460c2d2f8c1 100644 |
302 |
+--- a/arch/parisc/Makefile |
303 |
++++ b/arch/parisc/Makefile |
304 |
+@@ -65,7 +65,6 @@ KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 \ |
305 |
+ -DFTRACE_PATCHABLE_FUNCTION_SIZE=$(NOP_COUNT) |
306 |
+ |
307 |
+ CC_FLAGS_FTRACE := -fpatchable-function-entry=$(NOP_COUNT),$(shell echo $$(($(NOP_COUNT)-1))) |
308 |
+-KBUILD_LDS_MODULE += $(srctree)/arch/parisc/kernel/module.lds |
309 |
+ endif |
310 |
+ |
311 |
+ OBJCOPY_FLAGS =-O binary -R .note -R .comment -S |
312 |
+diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c |
313 |
+index ac5f34993b53b..1c50093e2ebee 100644 |
314 |
+--- a/arch/parisc/kernel/module.c |
315 |
++++ b/arch/parisc/kernel/module.c |
316 |
+@@ -43,6 +43,7 @@ |
317 |
+ #include <linux/elf.h> |
318 |
+ #include <linux/vmalloc.h> |
319 |
+ #include <linux/fs.h> |
320 |
++#include <linux/ftrace.h> |
321 |
+ #include <linux/string.h> |
322 |
+ #include <linux/kernel.h> |
323 |
+ #include <linux/bug.h> |
324 |
+@@ -862,7 +863,7 @@ int module_finalize(const Elf_Ehdr *hdr, |
325 |
+ const char *strtab = NULL; |
326 |
+ const Elf_Shdr *s; |
327 |
+ char *secstrings; |
328 |
+- int err, symindex = -1; |
329 |
++ int symindex = -1; |
330 |
+ Elf_Sym *newptr, *oldptr; |
331 |
+ Elf_Shdr *symhdr = NULL; |
332 |
+ #ifdef DEBUG |
333 |
+@@ -946,11 +947,13 @@ int module_finalize(const Elf_Ehdr *hdr, |
334 |
+ /* patch .altinstructions */ |
335 |
+ apply_alternatives(aseg, aseg + s->sh_size, me->name); |
336 |
+ |
337 |
++#ifdef CONFIG_DYNAMIC_FTRACE |
338 |
+ /* For 32 bit kernels we're compiling modules with |
339 |
+ * -ffunction-sections so we must relocate the addresses in the |
340 |
+- *__mcount_loc section. |
341 |
++ * ftrace callsite section. |
342 |
+ */ |
343 |
+- if (symindex != -1 && !strcmp(secname, "__mcount_loc")) { |
344 |
++ if (symindex != -1 && !strcmp(secname, FTRACE_CALLSITE_SECTION)) { |
345 |
++ int err; |
346 |
+ if (s->sh_type == SHT_REL) |
347 |
+ err = apply_relocate((Elf_Shdr *)sechdrs, |
348 |
+ strtab, symindex, |
349 |
+@@ -962,6 +965,7 @@ int module_finalize(const Elf_Ehdr *hdr, |
350 |
+ if (err) |
351 |
+ return err; |
352 |
+ } |
353 |
++#endif |
354 |
+ } |
355 |
+ return 0; |
356 |
+ } |
357 |
+diff --git a/arch/parisc/kernel/module.lds b/arch/parisc/kernel/module.lds |
358 |
+deleted file mode 100644 |
359 |
+index 1a9a92aca5c8a..0000000000000 |
360 |
+--- a/arch/parisc/kernel/module.lds |
361 |
++++ /dev/null |
362 |
+@@ -1,7 +0,0 @@ |
363 |
+-/* SPDX-License-Identifier: GPL-2.0 */ |
364 |
+- |
365 |
+-SECTIONS { |
366 |
+- __mcount_loc : { |
367 |
+- *(__patchable_function_entries) |
368 |
+- } |
369 |
+-} |
370 |
+diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c |
371 |
+index d769d61cde7ca..15b7dae1808db 100644 |
372 |
+--- a/arch/parisc/mm/init.c |
373 |
++++ b/arch/parisc/mm/init.c |
374 |
+@@ -347,9 +347,9 @@ static void __init setup_bootmem(void) |
375 |
+ |
376 |
+ static bool kernel_set_to_readonly; |
377 |
+ |
378 |
+-static void __init map_pages(unsigned long start_vaddr, |
379 |
+- unsigned long start_paddr, unsigned long size, |
380 |
+- pgprot_t pgprot, int force) |
381 |
++static void __ref map_pages(unsigned long start_vaddr, |
382 |
++ unsigned long start_paddr, unsigned long size, |
383 |
++ pgprot_t pgprot, int force) |
384 |
+ { |
385 |
+ pgd_t *pg_dir; |
386 |
+ pmd_t *pmd; |
387 |
+@@ -485,7 +485,7 @@ void __init set_kernel_text_rw(int enable_read_write) |
388 |
+ flush_tlb_all(); |
389 |
+ } |
390 |
+ |
391 |
+-void __ref free_initmem(void) |
392 |
++void free_initmem(void) |
393 |
+ { |
394 |
+ unsigned long init_begin = (unsigned long)__init_begin; |
395 |
+ unsigned long init_end = (unsigned long)__init_end; |
396 |
+@@ -499,7 +499,6 @@ void __ref free_initmem(void) |
397 |
+ /* The init text pages are marked R-X. We have to |
398 |
+ * flush the icache and mark them RW- |
399 |
+ * |
400 |
+- * This is tricky, because map_pages is in the init section. |
401 |
+ * Do a dummy remap of the data section first (the data |
402 |
+ * section is already PAGE_KERNEL) to pull in the TLB entries |
403 |
+ * for map_kernel */ |
404 |
+diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c |
405 |
+index c077acb983a19..dc6728dacbc6b 100644 |
406 |
+--- a/arch/powerpc/lib/sstep.c |
407 |
++++ b/arch/powerpc/lib/sstep.c |
408 |
+@@ -2787,12 +2787,14 @@ void emulate_update_regs(struct pt_regs *regs, struct instruction_op *op) |
409 |
+ case BARRIER_EIEIO: |
410 |
+ eieio(); |
411 |
+ break; |
412 |
++#ifdef CONFIG_PPC64 |
413 |
+ case BARRIER_LWSYNC: |
414 |
+ asm volatile("lwsync" : : : "memory"); |
415 |
+ break; |
416 |
+ case BARRIER_PTESYNC: |
417 |
+ asm volatile("ptesync" : : : "memory"); |
418 |
+ break; |
419 |
++#endif |
420 |
+ } |
421 |
+ break; |
422 |
+ |
423 |
+diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c |
424 |
+index 46875bbd04198..e0e3776059af4 100644 |
425 |
+--- a/arch/x86/kvm/pmu.c |
426 |
++++ b/arch/x86/kvm/pmu.c |
427 |
+@@ -191,7 +191,7 @@ void reprogram_gp_counter(struct kvm_pmc *pmc, u64 eventsel) |
428 |
+ } |
429 |
+ |
430 |
+ if (type == PERF_TYPE_RAW) |
431 |
+- config = eventsel & X86_RAW_EVENT_MASK; |
432 |
++ config = eventsel & AMD64_RAW_EVENT_MASK; |
433 |
+ |
434 |
+ pmc_reprogram_counter(pmc, type, config, |
435 |
+ !(eventsel & ARCH_PERFMON_EVENTSEL_USR), |
436 |
+diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c |
437 |
+index 425444d080712..2f84509f28289 100644 |
438 |
+--- a/arch/x86/kvm/svm.c |
439 |
++++ b/arch/x86/kvm/svm.c |
440 |
+@@ -4585,8 +4585,6 @@ static int avic_incomplete_ipi_interception(struct vcpu_svm *svm) |
441 |
+ break; |
442 |
+ } |
443 |
+ case AVIC_IPI_FAILURE_INVALID_TARGET: |
444 |
+- WARN_ONCE(1, "Invalid IPI target: index=%u, vcpu=%d, icr=%#0x:%#0x\n", |
445 |
+- index, svm->vcpu.vcpu_id, icrh, icrl); |
446 |
+ break; |
447 |
+ case AVIC_IPI_FAILURE_INVALID_BACKING_PAGE: |
448 |
+ WARN_ONCE(1, "Invalid backing page\n"); |
449 |
+diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c |
450 |
+index 73bffd7af15c1..1a0c581512f28 100644 |
451 |
+--- a/block/bfq-iosched.c |
452 |
++++ b/block/bfq-iosched.c |
453 |
+@@ -6389,6 +6389,8 @@ static void bfq_exit_queue(struct elevator_queue *e) |
454 |
+ spin_unlock_irq(&bfqd->lock); |
455 |
+ #endif |
456 |
+ |
457 |
++ wbt_enable_default(bfqd->queue); |
458 |
++ |
459 |
+ kfree(bfqd); |
460 |
+ } |
461 |
+ |
462 |
+diff --git a/block/elevator.c b/block/elevator.c |
463 |
+index 076ba7308e65c..78805c74ea8a4 100644 |
464 |
+--- a/block/elevator.c |
465 |
++++ b/block/elevator.c |
466 |
+@@ -522,8 +522,6 @@ void elv_unregister_queue(struct request_queue *q) |
467 |
+ kobject_del(&e->kobj); |
468 |
+ |
469 |
+ e->registered = 0; |
470 |
+- /* Re-enable throttling in case elevator disabled it */ |
471 |
+- wbt_enable_default(q); |
472 |
+ } |
473 |
+ } |
474 |
+ |
475 |
+diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c |
476 |
+index 92fb1f5b240e8..dca1590f295d0 100644 |
477 |
+--- a/drivers/ata/libata-core.c |
478 |
++++ b/drivers/ata/libata-core.c |
479 |
+@@ -4595,6 +4595,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { |
480 |
+ |
481 |
+ /* devices that don't properly handle TRIM commands */ |
482 |
+ { "SuperSSpeed S238*", NULL, ATA_HORKAGE_NOTRIM, }, |
483 |
++ { "M88V29*", NULL, ATA_HORKAGE_NOTRIM, }, |
484 |
+ |
485 |
+ /* |
486 |
+ * As defined, the DRAT (Deterministic Read After Trim) and RZAT |
487 |
+diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c |
488 |
+index f63d141481a3f..9aae6b3da356b 100644 |
489 |
+--- a/drivers/dma/at_xdmac.c |
490 |
++++ b/drivers/dma/at_xdmac.c |
491 |
+@@ -1726,11 +1726,13 @@ static irqreturn_t at_xdmac_interrupt(int irq, void *dev_id) |
492 |
+ static void at_xdmac_issue_pending(struct dma_chan *chan) |
493 |
+ { |
494 |
+ struct at_xdmac_chan *atchan = to_at_xdmac_chan(chan); |
495 |
++ unsigned long flags; |
496 |
+ |
497 |
+ dev_dbg(chan2dev(&atchan->chan), "%s\n", __func__); |
498 |
+ |
499 |
+- if (!at_xdmac_chan_is_cyclic(atchan)) |
500 |
+- at_xdmac_advance_work(atchan); |
501 |
++ spin_lock_irqsave(&atchan->lock, flags); |
502 |
++ at_xdmac_advance_work(atchan); |
503 |
++ spin_unlock_irqrestore(&atchan->lock, flags); |
504 |
+ |
505 |
+ return; |
506 |
+ } |
507 |
+diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c |
508 |
+index 89eb9ea258149..eba942441e382 100644 |
509 |
+--- a/drivers/dma/sh/rcar-dmac.c |
510 |
++++ b/drivers/dma/sh/rcar-dmac.c |
511 |
+@@ -1825,7 +1825,9 @@ static int rcar_dmac_probe(struct platform_device *pdev) |
512 |
+ platform_set_drvdata(pdev, dmac); |
513 |
+ dmac->dev->dma_parms = &dmac->parms; |
514 |
+ dma_set_max_seg_size(dmac->dev, RCAR_DMATCR_MASK); |
515 |
+- dma_set_mask_and_coherent(dmac->dev, DMA_BIT_MASK(40)); |
516 |
++ ret = dma_set_mask_and_coherent(dmac->dev, DMA_BIT_MASK(40)); |
517 |
++ if (ret) |
518 |
++ return ret; |
519 |
+ |
520 |
+ ret = rcar_dmac_parse_of(&pdev->dev, dmac); |
521 |
+ if (ret < 0) |
522 |
+diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c |
523 |
+index e73ca303f1a7e..78e4a070896fc 100644 |
524 |
+--- a/drivers/edac/edac_mc.c |
525 |
++++ b/drivers/edac/edac_mc.c |
526 |
+@@ -263,7 +263,7 @@ void *edac_align_ptr(void **p, unsigned int size, int n_elems) |
527 |
+ else |
528 |
+ return (char *)ptr; |
529 |
+ |
530 |
+- r = (unsigned long)p % align; |
531 |
++ r = (unsigned long)ptr % align; |
532 |
+ |
533 |
+ if (r == 0) |
534 |
+ return (char *)ptr; |
535 |
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c |
536 |
+index 58e14d3040f03..870dd78d5a21a 100644 |
537 |
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c |
538 |
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c |
539 |
+@@ -1976,7 +1976,7 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset, |
540 |
+ unsigned i; |
541 |
+ int r; |
542 |
+ |
543 |
+- if (direct_submit && !ring->sched.ready) { |
544 |
++ if (!direct_submit && !ring->sched.ready) { |
545 |
+ DRM_ERROR("Trying to move memory with ring turned off.\n"); |
546 |
+ return -EINVAL; |
547 |
+ } |
548 |
+diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c |
549 |
+index cc8f32a1b03c6..92ffed5c1d690 100644 |
550 |
+--- a/drivers/gpu/drm/radeon/atombios_encoders.c |
551 |
++++ b/drivers/gpu/drm/radeon/atombios_encoders.c |
552 |
+@@ -197,7 +197,8 @@ void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder, |
553 |
+ * so don't register a backlight device |
554 |
+ */ |
555 |
+ if ((rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE) && |
556 |
+- (rdev->pdev->device == 0x6741)) |
557 |
++ (rdev->pdev->device == 0x6741) && |
558 |
++ !dmi_match(DMI_PRODUCT_NAME, "iMac12,1")) |
559 |
+ return; |
560 |
+ |
561 |
+ if (!radeon_encoder->enc_priv) |
562 |
+diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c |
563 |
+index 906891b03a38d..7805091bac32d 100644 |
564 |
+--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c |
565 |
++++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c |
566 |
+@@ -528,13 +528,6 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master, |
567 |
+ return ret; |
568 |
+ } |
569 |
+ |
570 |
+- ret = clk_prepare_enable(hdmi->vpll_clk); |
571 |
+- if (ret) { |
572 |
+- DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI vpll: %d\n", |
573 |
+- ret); |
574 |
+- return ret; |
575 |
+- } |
576 |
+- |
577 |
+ hdmi->phy = devm_phy_optional_get(dev, "hdmi"); |
578 |
+ if (IS_ERR(hdmi->phy)) { |
579 |
+ ret = PTR_ERR(hdmi->phy); |
580 |
+@@ -543,6 +536,13 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master, |
581 |
+ return ret; |
582 |
+ } |
583 |
+ |
584 |
++ ret = clk_prepare_enable(hdmi->vpll_clk); |
585 |
++ if (ret) { |
586 |
++ DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI vpll: %d\n", |
587 |
++ ret); |
588 |
++ return ret; |
589 |
++ } |
590 |
++ |
591 |
+ drm_encoder_helper_add(encoder, &dw_hdmi_rockchip_encoder_helper_funcs); |
592 |
+ drm_encoder_init(drm, encoder, &dw_hdmi_rockchip_encoder_funcs, |
593 |
+ DRM_MODE_ENCODER_TMDS, NULL); |
594 |
+diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h |
595 |
+index 26758ea844c92..c587a77d493c1 100644 |
596 |
+--- a/drivers/hid/hid-ids.h |
597 |
++++ b/drivers/hid/hid-ids.h |
598 |
+@@ -1311,6 +1311,7 @@ |
599 |
+ #define USB_VENDOR_ID_UGTIZER 0x2179 |
600 |
+ #define USB_DEVICE_ID_UGTIZER_TABLET_GP0610 0x0053 |
601 |
+ #define USB_DEVICE_ID_UGTIZER_TABLET_GT5040 0x0077 |
602 |
++#define USB_DEVICE_ID_UGTIZER_TABLET_WP5540 0x0004 |
603 |
+ |
604 |
+ #define USB_VENDOR_ID_VIEWSONIC 0x0543 |
605 |
+ #define USB_DEVICE_ID_VIEWSONIC_PD1011 0xe621 |
606 |
+diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c |
607 |
+index 8a0132c54c312..45eba224cdc77 100644 |
608 |
+--- a/drivers/hid/hid-quirks.c |
609 |
++++ b/drivers/hid/hid-quirks.c |
610 |
+@@ -187,6 +187,7 @@ static const struct hid_device_id hid_quirks[] = { |
611 |
+ { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD), HID_QUIRK_NOGET }, |
612 |
+ { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_KNA5), HID_QUIRK_MULTI_INPUT }, |
613 |
+ { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWA60), HID_QUIRK_MULTI_INPUT }, |
614 |
++ { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_WP5540), HID_QUIRK_MULTI_INPUT }, |
615 |
+ { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH), HID_QUIRK_MULTI_INPUT }, |
616 |
+ { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH), HID_QUIRK_MULTI_INPUT }, |
617 |
+ { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET), HID_QUIRK_MULTI_INPUT }, |
618 |
+diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c |
619 |
+index 2d2568dac2a66..6b7ab8f234e87 100644 |
620 |
+--- a/drivers/hv/vmbus_drv.c |
621 |
++++ b/drivers/hv/vmbus_drv.c |
622 |
+@@ -1787,8 +1787,10 @@ int vmbus_add_channel_kobj(struct hv_device *dev, struct vmbus_channel *channel) |
623 |
+ kobj->kset = dev->channels_kset; |
624 |
+ ret = kobject_init_and_add(kobj, &vmbus_chan_ktype, NULL, |
625 |
+ "%u", relid); |
626 |
+- if (ret) |
627 |
++ if (ret) { |
628 |
++ kobject_put(kobj); |
629 |
+ return ret; |
630 |
++ } |
631 |
+ |
632 |
+ ret = sysfs_create_group(kobj, &vmbus_chan_group); |
633 |
+ |
634 |
+@@ -1797,6 +1799,7 @@ int vmbus_add_channel_kobj(struct hv_device *dev, struct vmbus_channel *channel) |
635 |
+ * The calling functions' error handling paths will cleanup the |
636 |
+ * empty channel directory. |
637 |
+ */ |
638 |
++ kobject_put(kobj); |
639 |
+ dev_err(device, "Unable to set up channel sysfs files\n"); |
640 |
+ return ret; |
641 |
+ } |
642 |
+diff --git a/drivers/i2c/busses/i2c-brcmstb.c b/drivers/i2c/busses/i2c-brcmstb.c |
643 |
+index 5e89cd6b690ce..36b8aceb972fc 100644 |
644 |
+--- a/drivers/i2c/busses/i2c-brcmstb.c |
645 |
++++ b/drivers/i2c/busses/i2c-brcmstb.c |
646 |
+@@ -640,7 +640,7 @@ static int brcmstb_i2c_probe(struct platform_device *pdev) |
647 |
+ |
648 |
+ /* set the data in/out register size for compatible SoCs */ |
649 |
+ if (of_device_is_compatible(dev->device->of_node, |
650 |
+- "brcmstb,brcmper-i2c")) |
651 |
++ "brcm,brcmper-i2c")) |
652 |
+ dev->data_regsz = sizeof(u8); |
653 |
+ else |
654 |
+ dev->data_regsz = sizeof(u32); |
655 |
+diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c |
656 |
+index 7cd7b140dfe97..9dad45d928bfe 100644 |
657 |
+--- a/drivers/irqchip/irq-sifive-plic.c |
658 |
++++ b/drivers/irqchip/irq-sifive-plic.c |
659 |
+@@ -313,3 +313,4 @@ out_iounmap: |
660 |
+ |
661 |
+ IRQCHIP_DECLARE(sifive_plic, "sifive,plic-1.0.0", plic_init); |
662 |
+ IRQCHIP_DECLARE(riscv_plic0, "riscv,plic0", plic_init); /* for legacy systems */ |
663 |
++IRQCHIP_DECLARE(thead_c900_plic, "thead,c900-plic", plic_init); /* for firmware driver */ |
664 |
+diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c |
665 |
+index e92f9373e2274..362ad361d5861 100644 |
666 |
+--- a/drivers/mmc/core/block.c |
667 |
++++ b/drivers/mmc/core/block.c |
668 |
+@@ -1671,31 +1671,31 @@ static void mmc_blk_read_single(struct mmc_queue *mq, struct request *req) |
669 |
+ struct mmc_card *card = mq->card; |
670 |
+ struct mmc_host *host = card->host; |
671 |
+ blk_status_t error = BLK_STS_OK; |
672 |
+- int retries = 0; |
673 |
+ |
674 |
+ do { |
675 |
+ u32 status; |
676 |
+ int err; |
677 |
++ int retries = 0; |
678 |
+ |
679 |
+- mmc_blk_rw_rq_prep(mqrq, card, 1, mq); |
680 |
++ while (retries++ <= MMC_READ_SINGLE_RETRIES) { |
681 |
++ mmc_blk_rw_rq_prep(mqrq, card, 1, mq); |
682 |
+ |
683 |
+- mmc_wait_for_req(host, mrq); |
684 |
++ mmc_wait_for_req(host, mrq); |
685 |
+ |
686 |
+- err = mmc_send_status(card, &status); |
687 |
+- if (err) |
688 |
+- goto error_exit; |
689 |
+- |
690 |
+- if (!mmc_host_is_spi(host) && |
691 |
+- !mmc_blk_in_tran_state(status)) { |
692 |
+- err = mmc_blk_fix_state(card, req); |
693 |
++ err = mmc_send_status(card, &status); |
694 |
+ if (err) |
695 |
+ goto error_exit; |
696 |
+- } |
697 |
+ |
698 |
+- if (mrq->cmd->error && retries++ < MMC_READ_SINGLE_RETRIES) |
699 |
+- continue; |
700 |
++ if (!mmc_host_is_spi(host) && |
701 |
++ !mmc_blk_in_tran_state(status)) { |
702 |
++ err = mmc_blk_fix_state(card, req); |
703 |
++ if (err) |
704 |
++ goto error_exit; |
705 |
++ } |
706 |
+ |
707 |
+- retries = 0; |
708 |
++ if (!mrq->cmd->error) |
709 |
++ break; |
710 |
++ } |
711 |
+ |
712 |
+ if (mrq->cmd->error || |
713 |
+ mrq->data->error || |
714 |
+diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c |
715 |
+index 0f3c09fb9c34f..bd9f45edc9a34 100644 |
716 |
+--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c |
717 |
++++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c |
718 |
+@@ -1756,7 +1756,7 @@ static int brcmnand_read_by_pio(struct mtd_info *mtd, struct nand_chip *chip, |
719 |
+ mtd->oobsize / trans, |
720 |
+ host->hwcfg.sector_size_1k); |
721 |
+ |
722 |
+- if (!ret) { |
723 |
++ if (ret != -EBADMSG) { |
724 |
+ *err_addr = brcmnand_get_uncorrecc_addr(ctrl); |
725 |
+ |
726 |
+ if (*err_addr) |
727 |
+diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c |
728 |
+index 515094e253dcd..ab2f824abf549 100644 |
729 |
+--- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c |
730 |
++++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c |
731 |
+@@ -2442,7 +2442,7 @@ static int gpmi_nfc_exec_op(struct nand_chip *chip, |
732 |
+ this->hw.must_apply_timings = false; |
733 |
+ ret = gpmi_nfc_apply_timings(this); |
734 |
+ if (ret) |
735 |
+- return ret; |
736 |
++ goto out_pm; |
737 |
+ } |
738 |
+ |
739 |
+ dev_dbg(this->dev, "%s: %d instructions\n", __func__, op->ninstrs); |
740 |
+@@ -2571,6 +2571,7 @@ unmap: |
741 |
+ |
742 |
+ this->bch = false; |
743 |
+ |
744 |
++out_pm: |
745 |
+ pm_runtime_mark_last_busy(this->dev); |
746 |
+ pm_runtime_put_autosuspend(this->dev); |
747 |
+ |
748 |
+diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c |
749 |
+index c10995ca624a6..5af3bef6c2303 100644 |
750 |
+--- a/drivers/mtd/nand/raw/qcom_nandc.c |
751 |
++++ b/drivers/mtd/nand/raw/qcom_nandc.c |
752 |
+@@ -2,7 +2,6 @@ |
753 |
+ /* |
754 |
+ * Copyright (c) 2016, The Linux Foundation. All rights reserved. |
755 |
+ */ |
756 |
+- |
757 |
+ #include <linux/clk.h> |
758 |
+ #include <linux/slab.h> |
759 |
+ #include <linux/bitops.h> |
760 |
+@@ -2944,10 +2943,6 @@ static int qcom_nandc_probe(struct platform_device *pdev) |
761 |
+ if (!nandc->base_dma) |
762 |
+ return -ENXIO; |
763 |
+ |
764 |
+- ret = qcom_nandc_alloc(nandc); |
765 |
+- if (ret) |
766 |
+- goto err_nandc_alloc; |
767 |
+- |
768 |
+ ret = clk_prepare_enable(nandc->core_clk); |
769 |
+ if (ret) |
770 |
+ goto err_core_clk; |
771 |
+@@ -2956,6 +2951,10 @@ static int qcom_nandc_probe(struct platform_device *pdev) |
772 |
+ if (ret) |
773 |
+ goto err_aon_clk; |
774 |
+ |
775 |
++ ret = qcom_nandc_alloc(nandc); |
776 |
++ if (ret) |
777 |
++ goto err_nandc_alloc; |
778 |
++ |
779 |
+ ret = qcom_nandc_setup(nandc); |
780 |
+ if (ret) |
781 |
+ goto err_setup; |
782 |
+@@ -2967,15 +2966,14 @@ static int qcom_nandc_probe(struct platform_device *pdev) |
783 |
+ return 0; |
784 |
+ |
785 |
+ err_setup: |
786 |
++ qcom_nandc_unalloc(nandc); |
787 |
++err_nandc_alloc: |
788 |
+ clk_disable_unprepare(nandc->aon_clk); |
789 |
+ err_aon_clk: |
790 |
+ clk_disable_unprepare(nandc->core_clk); |
791 |
+ err_core_clk: |
792 |
+- qcom_nandc_unalloc(nandc); |
793 |
+-err_nandc_alloc: |
794 |
+ dma_unmap_resource(dev, res->start, resource_size(res), |
795 |
+ DMA_BIDIRECTIONAL, 0); |
796 |
+- |
797 |
+ return ret; |
798 |
+ } |
799 |
+ |
800 |
+diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c |
801 |
+index ed170d803247a..41e58bd2e6069 100644 |
802 |
+--- a/drivers/net/bonding/bond_3ad.c |
803 |
++++ b/drivers/net/bonding/bond_3ad.c |
804 |
+@@ -233,7 +233,7 @@ static inline int __check_agg_selection_timer(struct port *port) |
805 |
+ if (bond == NULL) |
806 |
+ return 0; |
807 |
+ |
808 |
+- return BOND_AD_INFO(bond).agg_select_timer ? 1 : 0; |
809 |
++ return atomic_read(&BOND_AD_INFO(bond).agg_select_timer) ? 1 : 0; |
810 |
+ } |
811 |
+ |
812 |
+ /** |
813 |
+@@ -1985,7 +1985,7 @@ static void ad_marker_response_received(struct bond_marker *marker, |
814 |
+ */ |
815 |
+ void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout) |
816 |
+ { |
817 |
+- BOND_AD_INFO(bond).agg_select_timer = timeout; |
818 |
++ atomic_set(&BOND_AD_INFO(bond).agg_select_timer, timeout); |
819 |
+ } |
820 |
+ |
821 |
+ /** |
822 |
+@@ -2268,6 +2268,28 @@ void bond_3ad_update_ad_actor_settings(struct bonding *bond) |
823 |
+ spin_unlock_bh(&bond->mode_lock); |
824 |
+ } |
825 |
+ |
826 |
++/** |
827 |
++ * bond_agg_timer_advance - advance agg_select_timer |
828 |
++ * @bond: bonding structure |
829 |
++ * |
830 |
++ * Return true when agg_select_timer reaches 0. |
831 |
++ */ |
832 |
++static bool bond_agg_timer_advance(struct bonding *bond) |
833 |
++{ |
834 |
++ int val, nval; |
835 |
++ |
836 |
++ while (1) { |
837 |
++ val = atomic_read(&BOND_AD_INFO(bond).agg_select_timer); |
838 |
++ if (!val) |
839 |
++ return false; |
840 |
++ nval = val - 1; |
841 |
++ if (atomic_cmpxchg(&BOND_AD_INFO(bond).agg_select_timer, |
842 |
++ val, nval) == val) |
843 |
++ break; |
844 |
++ } |
845 |
++ return nval == 0; |
846 |
++} |
847 |
++ |
848 |
+ /** |
849 |
+ * bond_3ad_state_machine_handler - handle state machines timeout |
850 |
+ * @bond: bonding struct to work on |
851 |
+@@ -2303,9 +2325,7 @@ void bond_3ad_state_machine_handler(struct work_struct *work) |
852 |
+ if (!bond_has_slaves(bond)) |
853 |
+ goto re_arm; |
854 |
+ |
855 |
+- /* check if agg_select_timer timer after initialize is timed out */ |
856 |
+- if (BOND_AD_INFO(bond).agg_select_timer && |
857 |
+- !(--BOND_AD_INFO(bond).agg_select_timer)) { |
858 |
++ if (bond_agg_timer_advance(bond)) { |
859 |
+ slave = bond_first_slave_rcu(bond); |
860 |
+ port = slave ? &(SLAVE_AD_INFO(slave)->port) : NULL; |
861 |
+ |
862 |
+diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c |
863 |
+index ff50ccc7dceb1..d6ecd03b60452 100644 |
864 |
+--- a/drivers/net/bonding/bond_main.c |
865 |
++++ b/drivers/net/bonding/bond_main.c |
866 |
+@@ -1979,10 +1979,9 @@ static int __bond_release_one(struct net_device *bond_dev, |
867 |
+ bond_select_active_slave(bond); |
868 |
+ } |
869 |
+ |
870 |
+- if (!bond_has_slaves(bond)) { |
871 |
+- bond_set_carrier(bond); |
872 |
++ bond_set_carrier(bond); |
873 |
++ if (!bond_has_slaves(bond)) |
874 |
+ eth_hw_addr_random(bond_dev); |
875 |
+- } |
876 |
+ |
877 |
+ unblock_netpoll_tx(); |
878 |
+ synchronize_rcu(); |
879 |
+diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c |
880 |
+index 19d1f1c51f97e..4b9d5b0ce416b 100644 |
881 |
+--- a/drivers/net/dsa/lan9303-core.c |
882 |
++++ b/drivers/net/dsa/lan9303-core.c |
883 |
+@@ -1303,7 +1303,7 @@ static int lan9303_probe_reset_gpio(struct lan9303 *chip, |
884 |
+ struct device_node *np) |
885 |
+ { |
886 |
+ chip->reset_gpio = devm_gpiod_get_optional(chip->dev, "reset", |
887 |
+- GPIOD_OUT_LOW); |
888 |
++ GPIOD_OUT_HIGH); |
889 |
+ if (IS_ERR(chip->reset_gpio)) |
890 |
+ return PTR_ERR(chip->reset_gpio); |
891 |
+ |
892 |
+diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c |
893 |
+index ebd0853a6f313..0dc52cf5367e7 100644 |
894 |
+--- a/drivers/net/ethernet/cadence/macb_main.c |
895 |
++++ b/drivers/net/ethernet/cadence/macb_main.c |
896 |
+@@ -4284,7 +4284,7 @@ static int macb_probe(struct platform_device *pdev) |
897 |
+ |
898 |
+ #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT |
899 |
+ if (GEM_BFEXT(DAW64, gem_readl(bp, DCFG6))) { |
900 |
+- dma_set_mask(&pdev->dev, DMA_BIT_MASK(44)); |
901 |
++ dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44)); |
902 |
+ bp->hw_dma_cap |= HW_DMA_CAP_64B; |
903 |
+ } |
904 |
+ #endif |
905 |
+diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c |
906 |
+index 7d67f41387f55..4f5ef8a9a9a87 100644 |
907 |
+--- a/drivers/net/ieee802154/at86rf230.c |
908 |
++++ b/drivers/net/ieee802154/at86rf230.c |
909 |
+@@ -100,6 +100,7 @@ struct at86rf230_local { |
910 |
+ unsigned long cal_timeout; |
911 |
+ bool is_tx; |
912 |
+ bool is_tx_from_off; |
913 |
++ bool was_tx; |
914 |
+ u8 tx_retry; |
915 |
+ struct sk_buff *tx_skb; |
916 |
+ struct at86rf230_state_change tx; |
917 |
+@@ -343,7 +344,11 @@ at86rf230_async_error_recover_complete(void *context) |
918 |
+ if (ctx->free) |
919 |
+ kfree(ctx); |
920 |
+ |
921 |
+- ieee802154_wake_queue(lp->hw); |
922 |
++ if (lp->was_tx) { |
923 |
++ lp->was_tx = 0; |
924 |
++ dev_kfree_skb_any(lp->tx_skb); |
925 |
++ ieee802154_wake_queue(lp->hw); |
926 |
++ } |
927 |
+ } |
928 |
+ |
929 |
+ static void |
930 |
+@@ -352,7 +357,11 @@ at86rf230_async_error_recover(void *context) |
931 |
+ struct at86rf230_state_change *ctx = context; |
932 |
+ struct at86rf230_local *lp = ctx->lp; |
933 |
+ |
934 |
+- lp->is_tx = 0; |
935 |
++ if (lp->is_tx) { |
936 |
++ lp->was_tx = 1; |
937 |
++ lp->is_tx = 0; |
938 |
++ } |
939 |
++ |
940 |
+ at86rf230_async_state_change(lp, ctx, STATE_RX_AACK_ON, |
941 |
+ at86rf230_async_error_recover_complete); |
942 |
+ } |
943 |
+diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c |
944 |
+index 7c131a423cafa..47959aadbc503 100644 |
945 |
+--- a/drivers/net/ieee802154/ca8210.c |
946 |
++++ b/drivers/net/ieee802154/ca8210.c |
947 |
+@@ -2976,8 +2976,8 @@ static void ca8210_hw_setup(struct ieee802154_hw *ca8210_hw) |
948 |
+ ca8210_hw->phy->cca.opt = NL802154_CCA_OPT_ENERGY_CARRIER_AND; |
949 |
+ ca8210_hw->phy->cca_ed_level = -9800; |
950 |
+ ca8210_hw->phy->symbol_duration = 16; |
951 |
+- ca8210_hw->phy->lifs_period = 40; |
952 |
+- ca8210_hw->phy->sifs_period = 12; |
953 |
++ ca8210_hw->phy->lifs_period = 40 * ca8210_hw->phy->symbol_duration; |
954 |
++ ca8210_hw->phy->sifs_period = 12 * ca8210_hw->phy->symbol_duration; |
955 |
+ ca8210_hw->flags = |
956 |
+ IEEE802154_HW_AFILT | |
957 |
+ IEEE802154_HW_OMIT_CKSUM | |
958 |
+diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c |
959 |
+index 6508d70056b3a..566ea48fd6078 100644 |
960 |
+--- a/drivers/net/usb/qmi_wwan.c |
961 |
++++ b/drivers/net/usb/qmi_wwan.c |
962 |
+@@ -1355,6 +1355,8 @@ static const struct usb_device_id products[] = { |
963 |
+ {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */ |
964 |
+ {QMI_FIXED_INTF(0x413c, 0x81d7, 1)}, /* Dell Wireless 5821e preproduction config */ |
965 |
+ {QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/ |
966 |
++ {QMI_FIXED_INTF(0x413c, 0x81e4, 0)}, /* Dell Wireless 5829e with eSIM support*/ |
967 |
++ {QMI_FIXED_INTF(0x413c, 0x81e6, 0)}, /* Dell Wireless 5829e */ |
968 |
+ {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ |
969 |
+ {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */ |
970 |
+ {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ |
971 |
+diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c |
972 |
+index 83cb2ad03451b..1848b957dc5cd 100644 |
973 |
+--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c |
974 |
++++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c |
975 |
+@@ -1616,6 +1616,8 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) |
976 |
+ out_unbind: |
977 |
+ complete(&drv->request_firmware_complete); |
978 |
+ device_release_driver(drv->trans->dev); |
979 |
++ /* drv has just been freed by the release */ |
980 |
++ failure = false; |
981 |
+ free: |
982 |
+ if (failure) |
983 |
+ iwl_dealloc_ucode(drv); |
984 |
+diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c |
985 |
+index ee45e475405a1..fba6fff13349e 100644 |
986 |
+--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c |
987 |
++++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c |
988 |
+@@ -292,8 +292,7 @@ int iwl_trans_pcie_gen2_start_fw(struct iwl_trans *trans, |
989 |
+ /* This may fail if AMT took ownership of the device */ |
990 |
+ if (iwl_pcie_prepare_card_hw(trans)) { |
991 |
+ IWL_WARN(trans, "Exit HW not ready\n"); |
992 |
+- ret = -EIO; |
993 |
+- goto out; |
994 |
++ return -EIO; |
995 |
+ } |
996 |
+ |
997 |
+ iwl_enable_rfkill_int(trans); |
998 |
+diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c |
999 |
+index 0581f082301e0..8915030030c4c 100644 |
1000 |
+--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c |
1001 |
++++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c |
1002 |
+@@ -1335,8 +1335,7 @@ static int iwl_trans_pcie_start_fw(struct iwl_trans *trans, |
1003 |
+ /* This may fail if AMT took ownership of the device */ |
1004 |
+ if (iwl_pcie_prepare_card_hw(trans)) { |
1005 |
+ IWL_WARN(trans, "Exit HW not ready\n"); |
1006 |
+- ret = -EIO; |
1007 |
+- goto out; |
1008 |
++ return -EIO; |
1009 |
+ } |
1010 |
+ |
1011 |
+ iwl_enable_rfkill_int(trans); |
1012 |
+diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c |
1013 |
+index a5b5a2305791d..6a9a42809f972 100644 |
1014 |
+--- a/drivers/nvme/host/core.c |
1015 |
++++ b/drivers/nvme/host/core.c |
1016 |
+@@ -3896,7 +3896,14 @@ static void nvme_async_event_work(struct work_struct *work) |
1017 |
+ container_of(work, struct nvme_ctrl, async_event_work); |
1018 |
+ |
1019 |
+ nvme_aen_uevent(ctrl); |
1020 |
+- ctrl->ops->submit_async_event(ctrl); |
1021 |
++ |
1022 |
++ /* |
1023 |
++ * The transport drivers must guarantee AER submission here is safe by |
1024 |
++ * flushing ctrl async_event_work after changing the controller state |
1025 |
++ * from LIVE and before freeing the admin queue. |
1026 |
++ */ |
1027 |
++ if (ctrl->state == NVME_CTRL_LIVE) |
1028 |
++ ctrl->ops->submit_async_event(ctrl); |
1029 |
+ } |
1030 |
+ |
1031 |
+ static bool nvme_ctrl_pp_status(struct nvme_ctrl *ctrl) |
1032 |
+diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c |
1033 |
+index 08a23bb4b8b57..4213c71b02a4b 100644 |
1034 |
+--- a/drivers/nvme/host/rdma.c |
1035 |
++++ b/drivers/nvme/host/rdma.c |
1036 |
+@@ -1110,6 +1110,7 @@ static void nvme_rdma_error_recovery_work(struct work_struct *work) |
1037 |
+ struct nvme_rdma_ctrl, err_work); |
1038 |
+ |
1039 |
+ nvme_stop_keep_alive(&ctrl->ctrl); |
1040 |
++ flush_work(&ctrl->ctrl.async_event_work); |
1041 |
+ nvme_rdma_teardown_io_queues(ctrl, false); |
1042 |
+ nvme_start_queues(&ctrl->ctrl); |
1043 |
+ nvme_rdma_teardown_admin_queue(ctrl, false); |
1044 |
+diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c |
1045 |
+index 1eef7ed0c3026..4378344f0e7ab 100644 |
1046 |
+--- a/drivers/nvme/host/tcp.c |
1047 |
++++ b/drivers/nvme/host/tcp.c |
1048 |
+@@ -1955,6 +1955,7 @@ static void nvme_tcp_error_recovery_work(struct work_struct *work) |
1049 |
+ struct nvme_ctrl *ctrl = &tcp_ctrl->ctrl; |
1050 |
+ |
1051 |
+ nvme_stop_keep_alive(ctrl); |
1052 |
++ flush_work(&ctrl->async_event_work); |
1053 |
+ nvme_tcp_teardown_io_queues(ctrl, false); |
1054 |
+ /* unquiesce to fail fast pending requests */ |
1055 |
+ nvme_start_queues(ctrl); |
1056 |
+diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c |
1057 |
+index ad290f79983b9..5013568c571e5 100644 |
1058 |
+--- a/drivers/parisc/ccio-dma.c |
1059 |
++++ b/drivers/parisc/ccio-dma.c |
1060 |
+@@ -1003,7 +1003,7 @@ ccio_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents, |
1061 |
+ ioc->usg_calls++; |
1062 |
+ #endif |
1063 |
+ |
1064 |
+- while(sg_dma_len(sglist) && nents--) { |
1065 |
++ while (nents && sg_dma_len(sglist)) { |
1066 |
+ |
1067 |
+ #ifdef CCIO_COLLECT_STATS |
1068 |
+ ioc->usg_pages += sg_dma_len(sglist) >> PAGE_SHIFT; |
1069 |
+@@ -1011,6 +1011,7 @@ ccio_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents, |
1070 |
+ ccio_unmap_page(dev, sg_dma_address(sglist), |
1071 |
+ sg_dma_len(sglist), direction, 0); |
1072 |
+ ++sglist; |
1073 |
++ nents--; |
1074 |
+ } |
1075 |
+ |
1076 |
+ DBG_RUN_SG("%s() DONE (nents %d)\n", __func__, nents); |
1077 |
+diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c |
1078 |
+index e410033b6df0c..822e5d19949e4 100644 |
1079 |
+--- a/drivers/parisc/sba_iommu.c |
1080 |
++++ b/drivers/parisc/sba_iommu.c |
1081 |
+@@ -1047,7 +1047,7 @@ sba_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents, |
1082 |
+ spin_unlock_irqrestore(&ioc->res_lock, flags); |
1083 |
+ #endif |
1084 |
+ |
1085 |
+- while (sg_dma_len(sglist) && nents--) { |
1086 |
++ while (nents && sg_dma_len(sglist)) { |
1087 |
+ |
1088 |
+ sba_unmap_page(dev, sg_dma_address(sglist), sg_dma_len(sglist), |
1089 |
+ direction, 0); |
1090 |
+@@ -1056,6 +1056,7 @@ sba_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents, |
1091 |
+ ioc->usingle_calls--; /* kluge since call is unmap_sg() */ |
1092 |
+ #endif |
1093 |
+ ++sglist; |
1094 |
++ nents--; |
1095 |
+ } |
1096 |
+ |
1097 |
+ DBG_RUN_SG("%s() DONE (nents %d)\n", __func__, nents); |
1098 |
+diff --git a/drivers/platform/x86/intel_speed_select_if/isst_if_common.c b/drivers/platform/x86/intel_speed_select_if/isst_if_common.c |
1099 |
+index 3de5a3c66529d..cf7b6dee82191 100644 |
1100 |
+--- a/drivers/platform/x86/intel_speed_select_if/isst_if_common.c |
1101 |
++++ b/drivers/platform/x86/intel_speed_select_if/isst_if_common.c |
1102 |
+@@ -529,7 +529,10 @@ static long isst_if_def_ioctl(struct file *file, unsigned int cmd, |
1103 |
+ return ret; |
1104 |
+ } |
1105 |
+ |
1106 |
+-static DEFINE_MUTEX(punit_misc_dev_lock); |
1107 |
++/* Lock to prevent module registration when already opened by user space */ |
1108 |
++static DEFINE_MUTEX(punit_misc_dev_open_lock); |
1109 |
++/* Lock to allow one share misc device for all ISST interace */ |
1110 |
++static DEFINE_MUTEX(punit_misc_dev_reg_lock); |
1111 |
+ static int misc_usage_count; |
1112 |
+ static int misc_device_ret; |
1113 |
+ static int misc_device_open; |
1114 |
+@@ -539,7 +542,7 @@ static int isst_if_open(struct inode *inode, struct file *file) |
1115 |
+ int i, ret = 0; |
1116 |
+ |
1117 |
+ /* Fail open, if a module is going away */ |
1118 |
+- mutex_lock(&punit_misc_dev_lock); |
1119 |
++ mutex_lock(&punit_misc_dev_open_lock); |
1120 |
+ for (i = 0; i < ISST_IF_DEV_MAX; ++i) { |
1121 |
+ struct isst_if_cmd_cb *cb = &punit_callbacks[i]; |
1122 |
+ |
1123 |
+@@ -561,7 +564,7 @@ static int isst_if_open(struct inode *inode, struct file *file) |
1124 |
+ } else { |
1125 |
+ misc_device_open++; |
1126 |
+ } |
1127 |
+- mutex_unlock(&punit_misc_dev_lock); |
1128 |
++ mutex_unlock(&punit_misc_dev_open_lock); |
1129 |
+ |
1130 |
+ return ret; |
1131 |
+ } |
1132 |
+@@ -570,7 +573,7 @@ static int isst_if_relase(struct inode *inode, struct file *f) |
1133 |
+ { |
1134 |
+ int i; |
1135 |
+ |
1136 |
+- mutex_lock(&punit_misc_dev_lock); |
1137 |
++ mutex_lock(&punit_misc_dev_open_lock); |
1138 |
+ misc_device_open--; |
1139 |
+ for (i = 0; i < ISST_IF_DEV_MAX; ++i) { |
1140 |
+ struct isst_if_cmd_cb *cb = &punit_callbacks[i]; |
1141 |
+@@ -578,7 +581,7 @@ static int isst_if_relase(struct inode *inode, struct file *f) |
1142 |
+ if (cb->registered) |
1143 |
+ module_put(cb->owner); |
1144 |
+ } |
1145 |
+- mutex_unlock(&punit_misc_dev_lock); |
1146 |
++ mutex_unlock(&punit_misc_dev_open_lock); |
1147 |
+ |
1148 |
+ return 0; |
1149 |
+ } |
1150 |
+@@ -595,6 +598,43 @@ static struct miscdevice isst_if_char_driver = { |
1151 |
+ .fops = &isst_if_char_driver_ops, |
1152 |
+ }; |
1153 |
+ |
1154 |
++static int isst_misc_reg(void) |
1155 |
++{ |
1156 |
++ mutex_lock(&punit_misc_dev_reg_lock); |
1157 |
++ if (misc_device_ret) |
1158 |
++ goto unlock_exit; |
1159 |
++ |
1160 |
++ if (!misc_usage_count) { |
1161 |
++ misc_device_ret = isst_if_cpu_info_init(); |
1162 |
++ if (misc_device_ret) |
1163 |
++ goto unlock_exit; |
1164 |
++ |
1165 |
++ misc_device_ret = misc_register(&isst_if_char_driver); |
1166 |
++ if (misc_device_ret) { |
1167 |
++ isst_if_cpu_info_exit(); |
1168 |
++ goto unlock_exit; |
1169 |
++ } |
1170 |
++ } |
1171 |
++ misc_usage_count++; |
1172 |
++ |
1173 |
++unlock_exit: |
1174 |
++ mutex_unlock(&punit_misc_dev_reg_lock); |
1175 |
++ |
1176 |
++ return misc_device_ret; |
1177 |
++} |
1178 |
++ |
1179 |
++static void isst_misc_unreg(void) |
1180 |
++{ |
1181 |
++ mutex_lock(&punit_misc_dev_reg_lock); |
1182 |
++ if (misc_usage_count) |
1183 |
++ misc_usage_count--; |
1184 |
++ if (!misc_usage_count && !misc_device_ret) { |
1185 |
++ misc_deregister(&isst_if_char_driver); |
1186 |
++ isst_if_cpu_info_exit(); |
1187 |
++ } |
1188 |
++ mutex_unlock(&punit_misc_dev_reg_lock); |
1189 |
++} |
1190 |
++ |
1191 |
+ /** |
1192 |
+ * isst_if_cdev_register() - Register callback for IOCTL |
1193 |
+ * @device_type: The device type this callback handling. |
1194 |
+@@ -612,38 +652,31 @@ static struct miscdevice isst_if_char_driver = { |
1195 |
+ */ |
1196 |
+ int isst_if_cdev_register(int device_type, struct isst_if_cmd_cb *cb) |
1197 |
+ { |
1198 |
+- if (misc_device_ret) |
1199 |
+- return misc_device_ret; |
1200 |
++ int ret; |
1201 |
+ |
1202 |
+ if (device_type >= ISST_IF_DEV_MAX) |
1203 |
+ return -EINVAL; |
1204 |
+ |
1205 |
+- mutex_lock(&punit_misc_dev_lock); |
1206 |
++ mutex_lock(&punit_misc_dev_open_lock); |
1207 |
++ /* Device is already open, we don't want to add new callbacks */ |
1208 |
+ if (misc_device_open) { |
1209 |
+- mutex_unlock(&punit_misc_dev_lock); |
1210 |
++ mutex_unlock(&punit_misc_dev_open_lock); |
1211 |
+ return -EAGAIN; |
1212 |
+ } |
1213 |
+- if (!misc_usage_count) { |
1214 |
+- int ret; |
1215 |
+- |
1216 |
+- misc_device_ret = misc_register(&isst_if_char_driver); |
1217 |
+- if (misc_device_ret) |
1218 |
+- goto unlock_exit; |
1219 |
+- |
1220 |
+- ret = isst_if_cpu_info_init(); |
1221 |
+- if (ret) { |
1222 |
+- misc_deregister(&isst_if_char_driver); |
1223 |
+- misc_device_ret = ret; |
1224 |
+- goto unlock_exit; |
1225 |
+- } |
1226 |
+- } |
1227 |
+ memcpy(&punit_callbacks[device_type], cb, sizeof(*cb)); |
1228 |
+ punit_callbacks[device_type].registered = 1; |
1229 |
+- misc_usage_count++; |
1230 |
+-unlock_exit: |
1231 |
+- mutex_unlock(&punit_misc_dev_lock); |
1232 |
++ mutex_unlock(&punit_misc_dev_open_lock); |
1233 |
+ |
1234 |
+- return misc_device_ret; |
1235 |
++ ret = isst_misc_reg(); |
1236 |
++ if (ret) { |
1237 |
++ /* |
1238 |
++ * No need of mutex as the misc device register failed |
1239 |
++ * as no one can open device yet. Hence no contention. |
1240 |
++ */ |
1241 |
++ punit_callbacks[device_type].registered = 0; |
1242 |
++ return ret; |
1243 |
++ } |
1244 |
++ return 0; |
1245 |
+ } |
1246 |
+ EXPORT_SYMBOL_GPL(isst_if_cdev_register); |
1247 |
+ |
1248 |
+@@ -658,16 +691,12 @@ EXPORT_SYMBOL_GPL(isst_if_cdev_register); |
1249 |
+ */ |
1250 |
+ void isst_if_cdev_unregister(int device_type) |
1251 |
+ { |
1252 |
+- mutex_lock(&punit_misc_dev_lock); |
1253 |
+- misc_usage_count--; |
1254 |
++ isst_misc_unreg(); |
1255 |
++ mutex_lock(&punit_misc_dev_open_lock); |
1256 |
+ punit_callbacks[device_type].registered = 0; |
1257 |
+ if (device_type == ISST_IF_DEV_MBOX) |
1258 |
+ isst_delete_hash(); |
1259 |
+- if (!misc_usage_count && !misc_device_ret) { |
1260 |
+- misc_deregister(&isst_if_char_driver); |
1261 |
+- isst_if_cpu_info_exit(); |
1262 |
+- } |
1263 |
+- mutex_unlock(&punit_misc_dev_lock); |
1264 |
++ mutex_unlock(&punit_misc_dev_open_lock); |
1265 |
+ } |
1266 |
+ EXPORT_SYMBOL_GPL(isst_if_cdev_unregister); |
1267 |
+ |
1268 |
+diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h |
1269 |
+index 1bf7a4152b34b..088b764aefa43 100644 |
1270 |
+--- a/drivers/scsi/lpfc/lpfc.h |
1271 |
++++ b/drivers/scsi/lpfc/lpfc.h |
1272 |
+@@ -377,6 +377,7 @@ struct lpfc_vport { |
1273 |
+ #define FC_VPORT_LOGO_RCVD 0x200 /* LOGO received on vport */ |
1274 |
+ #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */ |
1275 |
+ #define FC_LOGO_RCVD_DID_CHNG 0x800 /* FDISC on phys port detect DID chng*/ |
1276 |
++#define FC_PT2PT_NO_NVME 0x1000 /* Don't send NVME PRLI */ |
1277 |
+ #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */ |
1278 |
+ #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */ |
1279 |
+ #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */ |
1280 |
+diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c |
1281 |
+index d034fe78bf93e..1e59c60a9dcc3 100644 |
1282 |
+--- a/drivers/scsi/lpfc/lpfc_attr.c |
1283 |
++++ b/drivers/scsi/lpfc/lpfc_attr.c |
1284 |
+@@ -1145,6 +1145,9 @@ lpfc_issue_lip(struct Scsi_Host *shost) |
1285 |
+ pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK; |
1286 |
+ pmboxq->u.mb.mbxOwner = OWN_HOST; |
1287 |
+ |
1288 |
++ if ((vport->fc_flag & FC_PT2PT) && (vport->fc_flag & FC_PT2PT_NO_NVME)) |
1289 |
++ vport->fc_flag &= ~FC_PT2PT_NO_NVME; |
1290 |
++ |
1291 |
+ mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2); |
1292 |
+ |
1293 |
+ if ((mbxstatus == MBX_SUCCESS) && |
1294 |
+diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c |
1295 |
+index 2040affa08874..9951d63a8b493 100644 |
1296 |
+--- a/drivers/scsi/lpfc/lpfc_els.c |
1297 |
++++ b/drivers/scsi/lpfc/lpfc_els.c |
1298 |
+@@ -1066,7 +1066,8 @@ stop_rr_fcf_flogi: |
1299 |
+ |
1300 |
+ /* FLOGI failed, so there is no fabric */ |
1301 |
+ spin_lock_irq(shost->host_lock); |
1302 |
+- vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); |
1303 |
++ vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP | |
1304 |
++ FC_PT2PT_NO_NVME); |
1305 |
+ spin_unlock_irq(shost->host_lock); |
1306 |
+ |
1307 |
+ /* If private loop, then allow max outstanding els to be |
1308 |
+@@ -3740,6 +3741,23 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1309 |
+ /* Added for Vendor specifc support |
1310 |
+ * Just keep retrying for these Rsn / Exp codes |
1311 |
+ */ |
1312 |
++ if ((vport->fc_flag & FC_PT2PT) && |
1313 |
++ cmd == ELS_CMD_NVMEPRLI) { |
1314 |
++ switch (stat.un.b.lsRjtRsnCode) { |
1315 |
++ case LSRJT_UNABLE_TPC: |
1316 |
++ case LSRJT_INVALID_CMD: |
1317 |
++ case LSRJT_LOGICAL_ERR: |
1318 |
++ case LSRJT_CMD_UNSUPPORTED: |
1319 |
++ lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS, |
1320 |
++ "0168 NVME PRLI LS_RJT " |
1321 |
++ "reason %x port doesn't " |
1322 |
++ "support NVME, disabling NVME\n", |
1323 |
++ stat.un.b.lsRjtRsnCode); |
1324 |
++ retry = 0; |
1325 |
++ vport->fc_flag |= FC_PT2PT_NO_NVME; |
1326 |
++ goto out_retry; |
1327 |
++ } |
1328 |
++ } |
1329 |
+ switch (stat.un.b.lsRjtRsnCode) { |
1330 |
+ case LSRJT_UNABLE_TPC: |
1331 |
+ /* The driver has a VALID PLOGI but the rport has |
1332 |
+diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c |
1333 |
+index fdd87508c804d..df2f7c3d7f845 100644 |
1334 |
+--- a/drivers/scsi/lpfc/lpfc_nportdisc.c |
1335 |
++++ b/drivers/scsi/lpfc/lpfc_nportdisc.c |
1336 |
+@@ -1987,8 +1987,9 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport, |
1337 |
+ * is configured try it. |
1338 |
+ */ |
1339 |
+ ndlp->nlp_fc4_type |= NLP_FC4_FCP; |
1340 |
+- if ((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) || |
1341 |
+- (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) { |
1342 |
++ if ((!(vport->fc_flag & FC_PT2PT_NO_NVME)) && |
1343 |
++ (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH || |
1344 |
++ vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) { |
1345 |
+ ndlp->nlp_fc4_type |= NLP_FC4_NVME; |
1346 |
+ /* We need to update the localport also */ |
1347 |
+ lpfc_nvme_update_localport(vport); |
1348 |
+diff --git a/drivers/tty/serial/8250/8250_gsc.c b/drivers/tty/serial/8250/8250_gsc.c |
1349 |
+index 0809ae2aa9b14..51cc985216ff3 100644 |
1350 |
+--- a/drivers/tty/serial/8250/8250_gsc.c |
1351 |
++++ b/drivers/tty/serial/8250/8250_gsc.c |
1352 |
+@@ -26,7 +26,7 @@ static int __init serial_init_chip(struct parisc_device *dev) |
1353 |
+ unsigned long address; |
1354 |
+ int err; |
1355 |
+ |
1356 |
+-#ifdef CONFIG_64BIT |
1357 |
++#if defined(CONFIG_64BIT) && defined(CONFIG_IOSAPIC) |
1358 |
+ if (!dev->irq && (dev->id.sversion == 0xad)) |
1359 |
+ dev->irq = iosapic_serial_irq(dev); |
1360 |
+ #endif |
1361 |
+diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c |
1362 |
+index fc688af57c231..e258fc484cea2 100644 |
1363 |
+--- a/fs/btrfs/send.c |
1364 |
++++ b/fs/btrfs/send.c |
1365 |
+@@ -5005,6 +5005,10 @@ static ssize_t fill_read_buf(struct send_ctx *sctx, u64 offset, u32 len) |
1366 |
+ lock_page(page); |
1367 |
+ if (!PageUptodate(page)) { |
1368 |
+ unlock_page(page); |
1369 |
++ btrfs_err(fs_info, |
1370 |
++ "send: IO error at offset %llu for inode %llu root %llu", |
1371 |
++ page_offset(page), sctx->cur_ino, |
1372 |
++ sctx->send_root->root_key.objectid); |
1373 |
+ put_page(page); |
1374 |
+ ret = -EIO; |
1375 |
+ break; |
1376 |
+diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c |
1377 |
+index ae73e67936832..f1bbce4350c47 100644 |
1378 |
+--- a/fs/ext4/extents.c |
1379 |
++++ b/fs/ext4/extents.c |
1380 |
+@@ -133,14 +133,25 @@ static int ext4_ext_truncate_extend_restart(handle_t *handle, |
1381 |
+ static int ext4_ext_get_access(handle_t *handle, struct inode *inode, |
1382 |
+ struct ext4_ext_path *path) |
1383 |
+ { |
1384 |
++ int err = 0; |
1385 |
++ |
1386 |
+ if (path->p_bh) { |
1387 |
+ /* path points to block */ |
1388 |
+ BUFFER_TRACE(path->p_bh, "get_write_access"); |
1389 |
+- return ext4_journal_get_write_access(handle, path->p_bh); |
1390 |
++ err = ext4_journal_get_write_access(handle, path->p_bh); |
1391 |
++ |
1392 |
++ /* |
1393 |
++ * The extent buffer's verified bit will be set again in |
1394 |
++ * __ext4_ext_dirty(). We could leave an inconsistent |
1395 |
++ * buffer if the extents updating procudure break off du |
1396 |
++ * to some error happens, force to check it again. |
1397 |
++ */ |
1398 |
++ if (!err) |
1399 |
++ clear_buffer_verified(path->p_bh); |
1400 |
+ } |
1401 |
+ /* path points to leaf/index in inode body */ |
1402 |
+ /* we use in-core data, no need to protect them */ |
1403 |
+- return 0; |
1404 |
++ return err; |
1405 |
+ } |
1406 |
+ |
1407 |
+ /* |
1408 |
+@@ -160,6 +171,9 @@ int __ext4_ext_dirty(const char *where, unsigned int line, handle_t *handle, |
1409 |
+ /* path points to block */ |
1410 |
+ err = __ext4_handle_dirty_metadata(where, line, handle, |
1411 |
+ inode, path->p_bh); |
1412 |
++ /* Extents updating done, re-set verified flag */ |
1413 |
++ if (!err) |
1414 |
++ set_buffer_verified(path->p_bh); |
1415 |
+ } else { |
1416 |
+ /* path points to leaf/index in inode body */ |
1417 |
+ err = ext4_mark_inode_dirty(handle, inode); |
1418 |
+@@ -390,9 +404,13 @@ static int ext4_valid_extent_idx(struct inode *inode, |
1419 |
+ |
1420 |
+ static int ext4_valid_extent_entries(struct inode *inode, |
1421 |
+ struct ext4_extent_header *eh, |
1422 |
++ ext4_lblk_t lblk, ext4_fsblk_t *pblk, |
1423 |
+ int depth) |
1424 |
+ { |
1425 |
+ unsigned short entries; |
1426 |
++ ext4_lblk_t lblock = 0; |
1427 |
++ ext4_lblk_t prev = 0; |
1428 |
++ |
1429 |
+ if (eh->eh_entries == 0) |
1430 |
+ return 1; |
1431 |
+ |
1432 |
+@@ -403,32 +421,52 @@ static int ext4_valid_extent_entries(struct inode *inode, |
1433 |
+ struct ext4_extent *ext = EXT_FIRST_EXTENT(eh); |
1434 |
+ struct ext4_super_block *es = EXT4_SB(inode->i_sb)->s_es; |
1435 |
+ ext4_fsblk_t pblock = 0; |
1436 |
+- ext4_lblk_t lblock = 0; |
1437 |
+- ext4_lblk_t prev = 0; |
1438 |
+- int len = 0; |
1439 |
++ |
1440 |
++ /* |
1441 |
++ * The logical block in the first entry should equal to |
1442 |
++ * the number in the index block. |
1443 |
++ */ |
1444 |
++ if (depth != ext_depth(inode) && |
1445 |
++ lblk != le32_to_cpu(ext->ee_block)) |
1446 |
++ return 0; |
1447 |
+ while (entries) { |
1448 |
+ if (!ext4_valid_extent(inode, ext)) |
1449 |
+ return 0; |
1450 |
+ |
1451 |
+ /* Check for overlapping extents */ |
1452 |
+ lblock = le32_to_cpu(ext->ee_block); |
1453 |
+- len = ext4_ext_get_actual_len(ext); |
1454 |
+ if ((lblock <= prev) && prev) { |
1455 |
+ pblock = ext4_ext_pblock(ext); |
1456 |
+ es->s_last_error_block = cpu_to_le64(pblock); |
1457 |
+ return 0; |
1458 |
+ } |
1459 |
++ prev = lblock + ext4_ext_get_actual_len(ext) - 1; |
1460 |
+ ext++; |
1461 |
+ entries--; |
1462 |
+- prev = lblock + len - 1; |
1463 |
+ } |
1464 |
+ } else { |
1465 |
+ struct ext4_extent_idx *ext_idx = EXT_FIRST_INDEX(eh); |
1466 |
++ |
1467 |
++ /* |
1468 |
++ * The logical block in the first entry should equal to |
1469 |
++ * the number in the parent index block. |
1470 |
++ */ |
1471 |
++ if (depth != ext_depth(inode) && |
1472 |
++ lblk != le32_to_cpu(ext_idx->ei_block)) |
1473 |
++ return 0; |
1474 |
+ while (entries) { |
1475 |
+ if (!ext4_valid_extent_idx(inode, ext_idx)) |
1476 |
+ return 0; |
1477 |
++ |
1478 |
++ /* Check for overlapping index extents */ |
1479 |
++ lblock = le32_to_cpu(ext_idx->ei_block); |
1480 |
++ if ((lblock <= prev) && prev) { |
1481 |
++ *pblk = ext4_idx_pblock(ext_idx); |
1482 |
++ return 0; |
1483 |
++ } |
1484 |
+ ext_idx++; |
1485 |
+ entries--; |
1486 |
++ prev = lblock; |
1487 |
+ } |
1488 |
+ } |
1489 |
+ return 1; |
1490 |
+@@ -436,7 +474,7 @@ static int ext4_valid_extent_entries(struct inode *inode, |
1491 |
+ |
1492 |
+ static int __ext4_ext_check(const char *function, unsigned int line, |
1493 |
+ struct inode *inode, struct ext4_extent_header *eh, |
1494 |
+- int depth, ext4_fsblk_t pblk) |
1495 |
++ int depth, ext4_fsblk_t pblk, ext4_lblk_t lblk) |
1496 |
+ { |
1497 |
+ const char *error_msg; |
1498 |
+ int max = 0, err = -EFSCORRUPTED; |
1499 |
+@@ -462,7 +500,7 @@ static int __ext4_ext_check(const char *function, unsigned int line, |
1500 |
+ error_msg = "invalid eh_entries"; |
1501 |
+ goto corrupted; |
1502 |
+ } |
1503 |
+- if (!ext4_valid_extent_entries(inode, eh, depth)) { |
1504 |
++ if (!ext4_valid_extent_entries(inode, eh, lblk, &pblk, depth)) { |
1505 |
+ error_msg = "invalid extent entries"; |
1506 |
+ goto corrupted; |
1507 |
+ } |
1508 |
+@@ -491,7 +529,7 @@ corrupted: |
1509 |
+ } |
1510 |
+ |
1511 |
+ #define ext4_ext_check(inode, eh, depth, pblk) \ |
1512 |
+- __ext4_ext_check(__func__, __LINE__, (inode), (eh), (depth), (pblk)) |
1513 |
++ __ext4_ext_check(__func__, __LINE__, (inode), (eh), (depth), (pblk), 0) |
1514 |
+ |
1515 |
+ int ext4_ext_check_inode(struct inode *inode) |
1516 |
+ { |
1517 |
+@@ -524,12 +562,14 @@ static void ext4_cache_extents(struct inode *inode, |
1518 |
+ |
1519 |
+ static struct buffer_head * |
1520 |
+ __read_extent_tree_block(const char *function, unsigned int line, |
1521 |
+- struct inode *inode, ext4_fsblk_t pblk, int depth, |
1522 |
+- int flags) |
1523 |
++ struct inode *inode, struct ext4_extent_idx *idx, |
1524 |
++ int depth, int flags) |
1525 |
+ { |
1526 |
+ struct buffer_head *bh; |
1527 |
+ int err; |
1528 |
++ ext4_fsblk_t pblk; |
1529 |
+ |
1530 |
++ pblk = ext4_idx_pblock(idx); |
1531 |
+ bh = sb_getblk_gfp(inode->i_sb, pblk, __GFP_MOVABLE | GFP_NOFS); |
1532 |
+ if (unlikely(!bh)) |
1533 |
+ return ERR_PTR(-ENOMEM); |
1534 |
+@@ -545,8 +585,8 @@ __read_extent_tree_block(const char *function, unsigned int line, |
1535 |
+ if (!ext4_has_feature_journal(inode->i_sb) || |
1536 |
+ (inode->i_ino != |
1537 |
+ le32_to_cpu(EXT4_SB(inode->i_sb)->s_es->s_journal_inum))) { |
1538 |
+- err = __ext4_ext_check(function, line, inode, |
1539 |
+- ext_block_hdr(bh), depth, pblk); |
1540 |
++ err = __ext4_ext_check(function, line, inode, ext_block_hdr(bh), |
1541 |
++ depth, pblk, le32_to_cpu(idx->ei_block)); |
1542 |
+ if (err) |
1543 |
+ goto errout; |
1544 |
+ } |
1545 |
+@@ -565,8 +605,8 @@ errout: |
1546 |
+ |
1547 |
+ } |
1548 |
+ |
1549 |
+-#define read_extent_tree_block(inode, pblk, depth, flags) \ |
1550 |
+- __read_extent_tree_block(__func__, __LINE__, (inode), (pblk), \ |
1551 |
++#define read_extent_tree_block(inode, idx, depth, flags) \ |
1552 |
++ __read_extent_tree_block(__func__, __LINE__, (inode), (idx), \ |
1553 |
+ (depth), (flags)) |
1554 |
+ |
1555 |
+ /* |
1556 |
+@@ -613,8 +653,7 @@ int ext4_ext_precache(struct inode *inode) |
1557 |
+ i--; |
1558 |
+ continue; |
1559 |
+ } |
1560 |
+- bh = read_extent_tree_block(inode, |
1561 |
+- ext4_idx_pblock(path[i].p_idx++), |
1562 |
++ bh = read_extent_tree_block(inode, path[i].p_idx++, |
1563 |
+ depth - i - 1, |
1564 |
+ EXT4_EX_FORCE_CACHE); |
1565 |
+ if (IS_ERR(bh)) { |
1566 |
+@@ -917,8 +956,7 @@ ext4_find_extent(struct inode *inode, ext4_lblk_t block, |
1567 |
+ path[ppos].p_depth = i; |
1568 |
+ path[ppos].p_ext = NULL; |
1569 |
+ |
1570 |
+- bh = read_extent_tree_block(inode, path[ppos].p_block, --i, |
1571 |
+- flags); |
1572 |
++ bh = read_extent_tree_block(inode, path[ppos].p_idx, --i, flags); |
1573 |
+ if (IS_ERR(bh)) { |
1574 |
+ ret = PTR_ERR(bh); |
1575 |
+ goto err; |
1576 |
+@@ -1517,7 +1555,6 @@ static int ext4_ext_search_right(struct inode *inode, |
1577 |
+ struct ext4_extent_header *eh; |
1578 |
+ struct ext4_extent_idx *ix; |
1579 |
+ struct ext4_extent *ex; |
1580 |
+- ext4_fsblk_t block; |
1581 |
+ int depth; /* Note, NOT eh_depth; depth from top of tree */ |
1582 |
+ int ee_len; |
1583 |
+ |
1584 |
+@@ -1584,20 +1621,17 @@ got_index: |
1585 |
+ * follow it and find the closest allocated |
1586 |
+ * block to the right */ |
1587 |
+ ix++; |
1588 |
+- block = ext4_idx_pblock(ix); |
1589 |
+ while (++depth < path->p_depth) { |
1590 |
+ /* subtract from p_depth to get proper eh_depth */ |
1591 |
+- bh = read_extent_tree_block(inode, block, |
1592 |
+- path->p_depth - depth, 0); |
1593 |
++ bh = read_extent_tree_block(inode, ix, path->p_depth - depth, 0); |
1594 |
+ if (IS_ERR(bh)) |
1595 |
+ return PTR_ERR(bh); |
1596 |
+ eh = ext_block_hdr(bh); |
1597 |
+ ix = EXT_FIRST_INDEX(eh); |
1598 |
+- block = ext4_idx_pblock(ix); |
1599 |
+ put_bh(bh); |
1600 |
+ } |
1601 |
+ |
1602 |
+- bh = read_extent_tree_block(inode, block, path->p_depth - depth, 0); |
1603 |
++ bh = read_extent_tree_block(inode, ix, path->p_depth - depth, 0); |
1604 |
+ if (IS_ERR(bh)) |
1605 |
+ return PTR_ERR(bh); |
1606 |
+ eh = ext_block_hdr(bh); |
1607 |
+@@ -3119,9 +3153,9 @@ again: |
1608 |
+ ext_debug("move to level %d (block %llu)\n", |
1609 |
+ i + 1, ext4_idx_pblock(path[i].p_idx)); |
1610 |
+ memset(path + i + 1, 0, sizeof(*path)); |
1611 |
+- bh = read_extent_tree_block(inode, |
1612 |
+- ext4_idx_pblock(path[i].p_idx), depth - i - 1, |
1613 |
+- EXT4_EX_NOCACHE); |
1614 |
++ bh = read_extent_tree_block(inode, path[i].p_idx, |
1615 |
++ depth - i - 1, |
1616 |
++ EXT4_EX_NOCACHE); |
1617 |
+ if (IS_ERR(bh)) { |
1618 |
+ /* should we reset i_size? */ |
1619 |
+ err = PTR_ERR(bh); |
1620 |
+diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c |
1621 |
+index f1c99fe486c4d..28ceee102d0b3 100644 |
1622 |
+--- a/fs/nfs/dir.c |
1623 |
++++ b/fs/nfs/dir.c |
1624 |
+@@ -1641,14 +1641,14 @@ no_open: |
1625 |
+ if (!res) { |
1626 |
+ inode = d_inode(dentry); |
1627 |
+ if ((lookup_flags & LOOKUP_DIRECTORY) && inode && |
1628 |
+- !S_ISDIR(inode->i_mode)) |
1629 |
++ !(S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode))) |
1630 |
+ res = ERR_PTR(-ENOTDIR); |
1631 |
+ else if (inode && S_ISREG(inode->i_mode)) |
1632 |
+ res = ERR_PTR(-EOPENSTALE); |
1633 |
+ } else if (!IS_ERR(res)) { |
1634 |
+ inode = d_inode(res); |
1635 |
+ if ((lookup_flags & LOOKUP_DIRECTORY) && inode && |
1636 |
+- !S_ISDIR(inode->i_mode)) { |
1637 |
++ !(S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode))) { |
1638 |
+ dput(res); |
1639 |
+ res = ERR_PTR(-ENOTDIR); |
1640 |
+ } else if (inode && S_ISREG(inode->i_mode)) { |
1641 |
+diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c |
1642 |
+index 209263c0c5377..3bddf5332b6d6 100644 |
1643 |
+--- a/fs/nfs/inode.c |
1644 |
++++ b/fs/nfs/inode.c |
1645 |
+@@ -791,12 +791,9 @@ int nfs_getattr(const struct path *path, struct kstat *stat, |
1646 |
+ goto out_no_update; |
1647 |
+ |
1648 |
+ /* Flush out writes to the server in order to update c/mtime. */ |
1649 |
+- if ((request_mask & (STATX_CTIME|STATX_MTIME)) && |
1650 |
+- S_ISREG(inode->i_mode)) { |
1651 |
+- err = filemap_write_and_wait(inode->i_mapping); |
1652 |
+- if (err) |
1653 |
+- goto out; |
1654 |
+- } |
1655 |
++ if ((request_mask & (STATX_CTIME | STATX_MTIME)) && |
1656 |
++ S_ISREG(inode->i_mode)) |
1657 |
++ filemap_write_and_wait(inode->i_mapping); |
1658 |
+ |
1659 |
+ /* |
1660 |
+ * We may force a getattr if the user cares about atime. |
1661 |
+diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c |
1662 |
+index 7abc3230c21a4..dc5f8654b277d 100644 |
1663 |
+--- a/fs/quota/dquot.c |
1664 |
++++ b/fs/quota/dquot.c |
1665 |
+@@ -693,9 +693,14 @@ int dquot_quota_sync(struct super_block *sb, int type) |
1666 |
+ /* This is not very clever (and fast) but currently I don't know about |
1667 |
+ * any other simple way of getting quota data to disk and we must get |
1668 |
+ * them there for userspace to be visible... */ |
1669 |
+- if (sb->s_op->sync_fs) |
1670 |
+- sb->s_op->sync_fs(sb, 1); |
1671 |
+- sync_blockdev(sb->s_bdev); |
1672 |
++ if (sb->s_op->sync_fs) { |
1673 |
++ ret = sb->s_op->sync_fs(sb, 1); |
1674 |
++ if (ret) |
1675 |
++ return ret; |
1676 |
++ } |
1677 |
++ ret = sync_blockdev(sb->s_bdev); |
1678 |
++ if (ret) |
1679 |
++ return ret; |
1680 |
+ |
1681 |
+ /* |
1682 |
+ * Now when everything is written we can discard the pagecache so |
1683 |
+diff --git a/fs/super.c b/fs/super.c |
1684 |
+index b289356f302fc..e255c18fa2c88 100644 |
1685 |
+--- a/fs/super.c |
1686 |
++++ b/fs/super.c |
1687 |
+@@ -1691,11 +1691,9 @@ static void lockdep_sb_freeze_acquire(struct super_block *sb) |
1688 |
+ percpu_rwsem_acquire(sb->s_writers.rw_sem + level, 0, _THIS_IP_); |
1689 |
+ } |
1690 |
+ |
1691 |
+-static void sb_freeze_unlock(struct super_block *sb) |
1692 |
++static void sb_freeze_unlock(struct super_block *sb, int level) |
1693 |
+ { |
1694 |
+- int level; |
1695 |
+- |
1696 |
+- for (level = SB_FREEZE_LEVELS - 1; level >= 0; level--) |
1697 |
++ for (level--; level >= 0; level--) |
1698 |
+ percpu_up_write(sb->s_writers.rw_sem + level); |
1699 |
+ } |
1700 |
+ |
1701 |
+@@ -1766,7 +1764,14 @@ int freeze_super(struct super_block *sb) |
1702 |
+ sb_wait_write(sb, SB_FREEZE_PAGEFAULT); |
1703 |
+ |
1704 |
+ /* All writers are done so after syncing there won't be dirty data */ |
1705 |
+- sync_filesystem(sb); |
1706 |
++ ret = sync_filesystem(sb); |
1707 |
++ if (ret) { |
1708 |
++ sb->s_writers.frozen = SB_UNFROZEN; |
1709 |
++ sb_freeze_unlock(sb, SB_FREEZE_PAGEFAULT); |
1710 |
++ wake_up(&sb->s_writers.wait_unfrozen); |
1711 |
++ deactivate_locked_super(sb); |
1712 |
++ return ret; |
1713 |
++ } |
1714 |
+ |
1715 |
+ /* Now wait for internal filesystem counter */ |
1716 |
+ sb->s_writers.frozen = SB_FREEZE_FS; |
1717 |
+@@ -1778,7 +1783,7 @@ int freeze_super(struct super_block *sb) |
1718 |
+ printk(KERN_ERR |
1719 |
+ "VFS:Filesystem freeze failed\n"); |
1720 |
+ sb->s_writers.frozen = SB_UNFROZEN; |
1721 |
+- sb_freeze_unlock(sb); |
1722 |
++ sb_freeze_unlock(sb, SB_FREEZE_FS); |
1723 |
+ wake_up(&sb->s_writers.wait_unfrozen); |
1724 |
+ deactivate_locked_super(sb); |
1725 |
+ return ret; |
1726 |
+@@ -1829,7 +1834,7 @@ static int thaw_super_locked(struct super_block *sb) |
1727 |
+ } |
1728 |
+ |
1729 |
+ sb->s_writers.frozen = SB_UNFROZEN; |
1730 |
+- sb_freeze_unlock(sb); |
1731 |
++ sb_freeze_unlock(sb, SB_FREEZE_FS); |
1732 |
+ out: |
1733 |
+ wake_up(&sb->s_writers.wait_unfrozen); |
1734 |
+ deactivate_locked_super(sb); |
1735 |
+diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h |
1736 |
+index 8a5ced9cf5273..77d4281815579 100644 |
1737 |
+--- a/include/asm-generic/vmlinux.lds.h |
1738 |
++++ b/include/asm-generic/vmlinux.lds.h |
1739 |
+@@ -110,17 +110,17 @@ |
1740 |
+ #endif |
1741 |
+ |
1742 |
+ #ifdef CONFIG_FTRACE_MCOUNT_RECORD |
1743 |
+-#ifdef CC_USING_PATCHABLE_FUNCTION_ENTRY |
1744 |
+-#define MCOUNT_REC() . = ALIGN(8); \ |
1745 |
+- __start_mcount_loc = .; \ |
1746 |
+- KEEP(*(__patchable_function_entries)) \ |
1747 |
+- __stop_mcount_loc = .; |
1748 |
+-#else |
1749 |
++/* |
1750 |
++ * The ftrace call sites are logged to a section whose name depends on the |
1751 |
++ * compiler option used. A given kernel image will only use one, AKA |
1752 |
++ * FTRACE_CALLSITE_SECTION. We capture all of them here to avoid header |
1753 |
++ * dependencies for FTRACE_CALLSITE_SECTION's definition. |
1754 |
++ */ |
1755 |
+ #define MCOUNT_REC() . = ALIGN(8); \ |
1756 |
+ __start_mcount_loc = .; \ |
1757 |
+ KEEP(*(__mcount_loc)) \ |
1758 |
++ KEEP(*(__patchable_function_entries)) \ |
1759 |
+ __stop_mcount_loc = .; |
1760 |
+-#endif |
1761 |
+ #else |
1762 |
+ #define MCOUNT_REC() |
1763 |
+ #endif |
1764 |
+diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h |
1765 |
+index 8a8cb3c401b26..9141f22632864 100644 |
1766 |
+--- a/include/linux/ftrace.h |
1767 |
++++ b/include/linux/ftrace.h |
1768 |
+@@ -499,7 +499,7 @@ static inline int ftrace_disable_ftrace_graph_caller(void) { return 0; } |
1769 |
+ /** |
1770 |
+ * ftrace_make_nop - convert code into nop |
1771 |
+ * @mod: module structure if called by module load initialization |
1772 |
+- * @rec: the mcount call site record |
1773 |
++ * @rec: the call site record (e.g. mcount/fentry) |
1774 |
+ * @addr: the address that the call site should be calling |
1775 |
+ * |
1776 |
+ * This is a very sensitive operation and great care needs |
1777 |
+@@ -520,9 +520,38 @@ static inline int ftrace_disable_ftrace_graph_caller(void) { return 0; } |
1778 |
+ extern int ftrace_make_nop(struct module *mod, |
1779 |
+ struct dyn_ftrace *rec, unsigned long addr); |
1780 |
+ |
1781 |
++ |
1782 |
++/** |
1783 |
++ * ftrace_init_nop - initialize a nop call site |
1784 |
++ * @mod: module structure if called by module load initialization |
1785 |
++ * @rec: the call site record (e.g. mcount/fentry) |
1786 |
++ * |
1787 |
++ * This is a very sensitive operation and great care needs |
1788 |
++ * to be taken by the arch. The operation should carefully |
1789 |
++ * read the location, check to see if what is read is indeed |
1790 |
++ * what we expect it to be, and then on success of the compare, |
1791 |
++ * it should write to the location. |
1792 |
++ * |
1793 |
++ * The code segment at @rec->ip should contain the contents created by |
1794 |
++ * the compiler |
1795 |
++ * |
1796 |
++ * Return must be: |
1797 |
++ * 0 on success |
1798 |
++ * -EFAULT on error reading the location |
1799 |
++ * -EINVAL on a failed compare of the contents |
1800 |
++ * -EPERM on error writing to the location |
1801 |
++ * Any other value will be considered a failure. |
1802 |
++ */ |
1803 |
++#ifndef ftrace_init_nop |
1804 |
++static inline int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec) |
1805 |
++{ |
1806 |
++ return ftrace_make_nop(mod, rec, MCOUNT_ADDR); |
1807 |
++} |
1808 |
++#endif |
1809 |
++ |
1810 |
+ /** |
1811 |
+ * ftrace_make_call - convert a nop call site into a call to addr |
1812 |
+- * @rec: the mcount call site record |
1813 |
++ * @rec: the call site record (e.g. mcount/fentry) |
1814 |
+ * @addr: the address that the call site should call |
1815 |
+ * |
1816 |
+ * This is a very sensitive operation and great care needs |
1817 |
+@@ -545,7 +574,7 @@ extern int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr); |
1818 |
+ #ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS |
1819 |
+ /** |
1820 |
+ * ftrace_modify_call - convert from one addr to another (no nop) |
1821 |
+- * @rec: the mcount call site record |
1822 |
++ * @rec: the call site record (e.g. mcount/fentry) |
1823 |
+ * @old_addr: the address expected to be currently called to |
1824 |
+ * @addr: the address to change to |
1825 |
+ * |
1826 |
+@@ -709,6 +738,11 @@ static inline unsigned long get_lock_parent_ip(void) |
1827 |
+ |
1828 |
+ #ifdef CONFIG_FTRACE_MCOUNT_RECORD |
1829 |
+ extern void ftrace_init(void); |
1830 |
++#ifdef CC_USING_PATCHABLE_FUNCTION_ENTRY |
1831 |
++#define FTRACE_CALLSITE_SECTION "__patchable_function_entries" |
1832 |
++#else |
1833 |
++#define FTRACE_CALLSITE_SECTION "__mcount_loc" |
1834 |
++#endif |
1835 |
+ #else |
1836 |
+ static inline void ftrace_init(void) { } |
1837 |
+ #endif |
1838 |
+diff --git a/include/linux/sched.h b/include/linux/sched.h |
1839 |
+index afee5d5eb9458..b341471de9d60 100644 |
1840 |
+--- a/include/linux/sched.h |
1841 |
++++ b/include/linux/sched.h |
1842 |
+@@ -1454,7 +1454,6 @@ extern struct pid *cad_pid; |
1843 |
+ #define PF_MEMALLOC 0x00000800 /* Allocating memory */ |
1844 |
+ #define PF_NPROC_EXCEEDED 0x00001000 /* set_user() noticed that RLIMIT_NPROC was exceeded */ |
1845 |
+ #define PF_USED_MATH 0x00002000 /* If unset the fpu must be initialized before use */ |
1846 |
+-#define PF_USED_ASYNC 0x00004000 /* Used async_schedule*(), used by module init */ |
1847 |
+ #define PF_NOFREEZE 0x00008000 /* This thread should not be frozen */ |
1848 |
+ #define PF_FROZEN 0x00010000 /* Frozen for system suspend */ |
1849 |
+ #define PF_KSWAPD 0x00020000 /* I am kswapd */ |
1850 |
+diff --git a/include/net/bond_3ad.h b/include/net/bond_3ad.h |
1851 |
+index c8696a230b7d9..1a28f299a4c61 100644 |
1852 |
+--- a/include/net/bond_3ad.h |
1853 |
++++ b/include/net/bond_3ad.h |
1854 |
+@@ -262,7 +262,7 @@ struct ad_system { |
1855 |
+ struct ad_bond_info { |
1856 |
+ struct ad_system system; /* 802.3ad system structure */ |
1857 |
+ struct bond_3ad_stats stats; |
1858 |
+- u32 agg_select_timer; /* Timer to select aggregator after all adapter's hand shakes */ |
1859 |
++ atomic_t agg_select_timer; /* Timer to select aggregator after all adapter's hand shakes */ |
1860 |
+ u16 aggregator_identifier; |
1861 |
+ }; |
1862 |
+ |
1863 |
+diff --git a/kernel/async.c b/kernel/async.c |
1864 |
+index 4f9c1d6140168..74660f611b97d 100644 |
1865 |
+--- a/kernel/async.c |
1866 |
++++ b/kernel/async.c |
1867 |
+@@ -205,9 +205,6 @@ async_cookie_t async_schedule_node_domain(async_func_t func, void *data, |
1868 |
+ atomic_inc(&entry_count); |
1869 |
+ spin_unlock_irqrestore(&async_lock, flags); |
1870 |
+ |
1871 |
+- /* mark that this task has queued an async job, used by module init */ |
1872 |
+- current->flags |= PF_USED_ASYNC; |
1873 |
+- |
1874 |
+ /* schedule for execution */ |
1875 |
+ queue_work_node(node, system_unbound_wq, &entry->work); |
1876 |
+ |
1877 |
+diff --git a/kernel/fork.c b/kernel/fork.c |
1878 |
+index cf2cebd214b92..5b4a19682207a 100644 |
1879 |
+--- a/kernel/fork.c |
1880 |
++++ b/kernel/fork.c |
1881 |
+@@ -2182,10 +2182,6 @@ static __latent_entropy struct task_struct *copy_process( |
1882 |
+ goto bad_fork_cancel_cgroup; |
1883 |
+ } |
1884 |
+ |
1885 |
+- /* past the last point of failure */ |
1886 |
+- if (pidfile) |
1887 |
+- fd_install(pidfd, pidfile); |
1888 |
+- |
1889 |
+ init_task_pid_links(p); |
1890 |
+ if (likely(p->pid)) { |
1891 |
+ ptrace_init_task(p, (clone_flags & CLONE_PTRACE) || trace); |
1892 |
+@@ -2234,6 +2230,9 @@ static __latent_entropy struct task_struct *copy_process( |
1893 |
+ syscall_tracepoint_update(p); |
1894 |
+ write_unlock_irq(&tasklist_lock); |
1895 |
+ |
1896 |
++ if (pidfile) |
1897 |
++ fd_install(pidfd, pidfile); |
1898 |
++ |
1899 |
+ proc_fork_connector(p); |
1900 |
+ cgroup_post_fork(p); |
1901 |
+ cgroup_threadgroup_change_end(current); |
1902 |
+diff --git a/kernel/module.c b/kernel/module.c |
1903 |
+index 59d487b8d8dad..7c724356aca31 100644 |
1904 |
+--- a/kernel/module.c |
1905 |
++++ b/kernel/module.c |
1906 |
+@@ -3377,7 +3377,7 @@ static int find_module_sections(struct module *mod, struct load_info *info) |
1907 |
+ #endif |
1908 |
+ #ifdef CONFIG_FTRACE_MCOUNT_RECORD |
1909 |
+ /* sechdrs[0].sh_size is always zero */ |
1910 |
+- mod->ftrace_callsites = section_objs(info, "__mcount_loc", |
1911 |
++ mod->ftrace_callsites = section_objs(info, FTRACE_CALLSITE_SECTION, |
1912 |
+ sizeof(*mod->ftrace_callsites), |
1913 |
+ &mod->num_ftrace_callsites); |
1914 |
+ #endif |
1915 |
+@@ -3711,12 +3711,6 @@ static noinline int do_init_module(struct module *mod) |
1916 |
+ } |
1917 |
+ freeinit->module_init = mod->init_layout.base; |
1918 |
+ |
1919 |
+- /* |
1920 |
+- * We want to find out whether @mod uses async during init. Clear |
1921 |
+- * PF_USED_ASYNC. async_schedule*() will set it. |
1922 |
+- */ |
1923 |
+- current->flags &= ~PF_USED_ASYNC; |
1924 |
+- |
1925 |
+ do_mod_ctors(mod); |
1926 |
+ /* Start the module */ |
1927 |
+ if (mod->init != NULL) |
1928 |
+@@ -3742,22 +3736,13 @@ static noinline int do_init_module(struct module *mod) |
1929 |
+ |
1930 |
+ /* |
1931 |
+ * We need to finish all async code before the module init sequence |
1932 |
+- * is done. This has potential to deadlock. For example, a newly |
1933 |
+- * detected block device can trigger request_module() of the |
1934 |
+- * default iosched from async probing task. Once userland helper |
1935 |
+- * reaches here, async_synchronize_full() will wait on the async |
1936 |
+- * task waiting on request_module() and deadlock. |
1937 |
+- * |
1938 |
+- * This deadlock is avoided by perfomring async_synchronize_full() |
1939 |
+- * iff module init queued any async jobs. This isn't a full |
1940 |
+- * solution as it will deadlock the same if module loading from |
1941 |
+- * async jobs nests more than once; however, due to the various |
1942 |
+- * constraints, this hack seems to be the best option for now. |
1943 |
+- * Please refer to the following thread for details. |
1944 |
++ * is done. This has potential to deadlock if synchronous module |
1945 |
++ * loading is requested from async (which is not allowed!). |
1946 |
+ * |
1947 |
+- * http://thread.gmane.org/gmane.linux.kernel/1420814 |
1948 |
++ * See commit 0fdff3ec6d87 ("async, kmod: warn on synchronous |
1949 |
++ * request_module() from async workers") for more details. |
1950 |
+ */ |
1951 |
+- if (!mod->async_probe_requested && (current->flags & PF_USED_ASYNC)) |
1952 |
++ if (!mod->async_probe_requested) |
1953 |
+ async_synchronize_full(); |
1954 |
+ |
1955 |
+ ftrace_free_mem(mod, mod->init_layout.base, mod->init_layout.base + |
1956 |
+diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c |
1957 |
+index efc338969b98b..7719d444bda12 100644 |
1958 |
+--- a/kernel/trace/ftrace.c |
1959 |
++++ b/kernel/trace/ftrace.c |
1960 |
+@@ -2520,14 +2520,14 @@ struct dyn_ftrace *ftrace_rec_iter_record(struct ftrace_rec_iter *iter) |
1961 |
+ } |
1962 |
+ |
1963 |
+ static int |
1964 |
+-ftrace_code_disable(struct module *mod, struct dyn_ftrace *rec) |
1965 |
++ftrace_nop_initialize(struct module *mod, struct dyn_ftrace *rec) |
1966 |
+ { |
1967 |
+ int ret; |
1968 |
+ |
1969 |
+ if (unlikely(ftrace_disabled)) |
1970 |
+ return 0; |
1971 |
+ |
1972 |
+- ret = ftrace_make_nop(mod, rec, MCOUNT_ADDR); |
1973 |
++ ret = ftrace_init_nop(mod, rec); |
1974 |
+ if (ret) { |
1975 |
+ ftrace_bug_type = FTRACE_BUG_INIT; |
1976 |
+ ftrace_bug(ret, rec); |
1977 |
+@@ -2969,7 +2969,7 @@ static int ftrace_update_code(struct module *mod, struct ftrace_page *new_pgs) |
1978 |
+ * to the NOP instructions. |
1979 |
+ */ |
1980 |
+ if (!__is_defined(CC_USING_NOP_MCOUNT) && |
1981 |
+- !ftrace_code_disable(mod, p)) |
1982 |
++ !ftrace_nop_initialize(mod, p)) |
1983 |
+ break; |
1984 |
+ |
1985 |
+ update_cnt++; |
1986 |
+diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c |
1987 |
+index 5a4dfb55ba16b..615259d8fa9ad 100644 |
1988 |
+--- a/kernel/trace/trace.c |
1989 |
++++ b/kernel/trace/trace.c |
1990 |
+@@ -236,6 +236,10 @@ __setup("trace_clock=", set_trace_boot_clock); |
1991 |
+ |
1992 |
+ static int __init set_tracepoint_printk(char *str) |
1993 |
+ { |
1994 |
++ /* Ignore the "tp_printk_stop_on_boot" param */ |
1995 |
++ if (*str == '_') |
1996 |
++ return 0; |
1997 |
++ |
1998 |
+ if ((strcmp(str, "=0") != 0 && strcmp(str, "=off") != 0)) |
1999 |
+ tracepoint_printk = 1; |
2000 |
+ return 1; |
2001 |
+diff --git a/kernel/tsacct.c b/kernel/tsacct.c |
2002 |
+index 7be3e7530841f..33a4093306f9c 100644 |
2003 |
+--- a/kernel/tsacct.c |
2004 |
++++ b/kernel/tsacct.c |
2005 |
+@@ -35,11 +35,10 @@ void bacct_add_tsk(struct user_namespace *user_ns, |
2006 |
+ /* Convert to seconds for btime */ |
2007 |
+ do_div(delta, USEC_PER_SEC); |
2008 |
+ stats->ac_btime = get_seconds() - delta; |
2009 |
+- if (thread_group_leader(tsk)) { |
2010 |
++ if (tsk->flags & PF_EXITING) |
2011 |
+ stats->ac_exitcode = tsk->exit_code; |
2012 |
+- if (tsk->flags & PF_FORKNOEXEC) |
2013 |
+- stats->ac_flag |= AFORK; |
2014 |
+- } |
2015 |
++ if (thread_group_leader(tsk) && (tsk->flags & PF_FORKNOEXEC)) |
2016 |
++ stats->ac_flag |= AFORK; |
2017 |
+ if (tsk->flags & PF_SUPERPRIV) |
2018 |
+ stats->ac_flag |= ASU; |
2019 |
+ if (tsk->flags & PF_DUMPCORE) |
2020 |
+diff --git a/lib/iov_iter.c b/lib/iov_iter.c |
2021 |
+index 957e3e58df652..9d3bda3d49fed 100644 |
2022 |
+--- a/lib/iov_iter.c |
2023 |
++++ b/lib/iov_iter.c |
2024 |
+@@ -398,6 +398,7 @@ static size_t copy_page_to_iter_pipe(struct page *page, size_t offset, size_t by |
2025 |
+ return 0; |
2026 |
+ pipe->nrbufs++; |
2027 |
+ buf->ops = &page_cache_pipe_buf_ops; |
2028 |
++ buf->flags = 0; |
2029 |
+ get_page(buf->page = page); |
2030 |
+ buf->offset = offset; |
2031 |
+ buf->len = bytes; |
2032 |
+@@ -524,6 +525,7 @@ static size_t push_pipe(struct iov_iter *i, size_t size, |
2033 |
+ break; |
2034 |
+ pipe->nrbufs++; |
2035 |
+ pipe->bufs[idx].ops = &default_pipe_buf_ops; |
2036 |
++ pipe->bufs[idx].flags = 0; |
2037 |
+ pipe->bufs[idx].page = page; |
2038 |
+ pipe->bufs[idx].offset = 0; |
2039 |
+ if (left <= PAGE_SIZE) { |
2040 |
+diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c |
2041 |
+index 1f84d41e22c36..184af6da0defc 100644 |
2042 |
+--- a/net/ax25/af_ax25.c |
2043 |
++++ b/net/ax25/af_ax25.c |
2044 |
+@@ -77,6 +77,7 @@ static void ax25_kill_by_device(struct net_device *dev) |
2045 |
+ { |
2046 |
+ ax25_dev *ax25_dev; |
2047 |
+ ax25_cb *s; |
2048 |
++ struct sock *sk; |
2049 |
+ |
2050 |
+ if ((ax25_dev = ax25_dev_ax25dev(dev)) == NULL) |
2051 |
+ return; |
2052 |
+@@ -85,13 +86,15 @@ static void ax25_kill_by_device(struct net_device *dev) |
2053 |
+ again: |
2054 |
+ ax25_for_each(s, &ax25_list) { |
2055 |
+ if (s->ax25_dev == ax25_dev) { |
2056 |
++ sk = s->sk; |
2057 |
++ sock_hold(sk); |
2058 |
+ spin_unlock_bh(&ax25_list_lock); |
2059 |
+- lock_sock(s->sk); |
2060 |
++ lock_sock(sk); |
2061 |
+ s->ax25_dev = NULL; |
2062 |
+- release_sock(s->sk); |
2063 |
++ release_sock(sk); |
2064 |
+ ax25_disconnect(s, ENETUNREACH); |
2065 |
+ spin_lock_bh(&ax25_list_lock); |
2066 |
+- |
2067 |
++ sock_put(sk); |
2068 |
+ /* The entry could have been deleted from the |
2069 |
+ * list meanwhile and thus the next pointer is |
2070 |
+ * no longer valid. Play it safe and restart |
2071 |
+diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c |
2072 |
+index af0130039f377..e8e8389ddc965 100644 |
2073 |
+--- a/net/core/drop_monitor.c |
2074 |
++++ b/net/core/drop_monitor.c |
2075 |
+@@ -277,13 +277,17 @@ static void trace_napi_poll_hit(void *ignore, struct napi_struct *napi, |
2076 |
+ |
2077 |
+ rcu_read_lock(); |
2078 |
+ list_for_each_entry_rcu(new_stat, &hw_stats_list, list) { |
2079 |
++ struct net_device *dev; |
2080 |
++ |
2081 |
+ /* |
2082 |
+ * only add a note to our monitor buffer if: |
2083 |
+ * 1) this is the dev we received on |
2084 |
+ * 2) its after the last_rx delta |
2085 |
+ * 3) our rx_dropped count has gone up |
2086 |
+ */ |
2087 |
+- if ((new_stat->dev == napi->dev) && |
2088 |
++ /* Paired with WRITE_ONCE() in dropmon_net_event() */ |
2089 |
++ dev = READ_ONCE(new_stat->dev); |
2090 |
++ if ((dev == napi->dev) && |
2091 |
+ (time_after(jiffies, new_stat->last_rx + dm_hw_check_delta)) && |
2092 |
+ (napi->dev->stats.rx_dropped != new_stat->last_drop_val)) { |
2093 |
+ trace_drop_common(NULL, NULL); |
2094 |
+@@ -1497,7 +1501,10 @@ static int dropmon_net_event(struct notifier_block *ev_block, |
2095 |
+ mutex_lock(&net_dm_mutex); |
2096 |
+ list_for_each_entry_safe(new_stat, tmp, &hw_stats_list, list) { |
2097 |
+ if (new_stat->dev == dev) { |
2098 |
+- new_stat->dev = NULL; |
2099 |
++ |
2100 |
++ /* Paired with READ_ONCE() in trace_napi_poll_hit() */ |
2101 |
++ WRITE_ONCE(new_stat->dev, NULL); |
2102 |
++ |
2103 |
+ if (trace_state == TRACE_OFF) { |
2104 |
+ list_del_rcu(&new_stat->list); |
2105 |
+ kfree_rcu(new_stat, rcu); |
2106 |
+diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c |
2107 |
+index b0f51c7cc0d90..2a359d0dfe7e8 100644 |
2108 |
+--- a/net/ipv4/ping.c |
2109 |
++++ b/net/ipv4/ping.c |
2110 |
+@@ -172,16 +172,23 @@ static struct sock *ping_lookup(struct net *net, struct sk_buff *skb, u16 ident) |
2111 |
+ struct sock *sk = NULL; |
2112 |
+ struct inet_sock *isk; |
2113 |
+ struct hlist_nulls_node *hnode; |
2114 |
+- int dif = skb->dev->ifindex; |
2115 |
++ int dif, sdif; |
2116 |
+ |
2117 |
+ if (skb->protocol == htons(ETH_P_IP)) { |
2118 |
++ dif = inet_iif(skb); |
2119 |
++ sdif = inet_sdif(skb); |
2120 |
+ pr_debug("try to find: num = %d, daddr = %pI4, dif = %d\n", |
2121 |
+ (int)ident, &ip_hdr(skb)->daddr, dif); |
2122 |
+ #if IS_ENABLED(CONFIG_IPV6) |
2123 |
+ } else if (skb->protocol == htons(ETH_P_IPV6)) { |
2124 |
++ dif = inet6_iif(skb); |
2125 |
++ sdif = inet6_sdif(skb); |
2126 |
+ pr_debug("try to find: num = %d, daddr = %pI6c, dif = %d\n", |
2127 |
+ (int)ident, &ipv6_hdr(skb)->daddr, dif); |
2128 |
+ #endif |
2129 |
++ } else { |
2130 |
++ pr_err("ping: protocol(%x) is not supported\n", ntohs(skb->protocol)); |
2131 |
++ return NULL; |
2132 |
+ } |
2133 |
+ |
2134 |
+ read_lock_bh(&ping_table.lock); |
2135 |
+@@ -221,7 +228,7 @@ static struct sock *ping_lookup(struct net *net, struct sk_buff *skb, u16 ident) |
2136 |
+ } |
2137 |
+ |
2138 |
+ if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif && |
2139 |
+- sk->sk_bound_dev_if != inet_sdif(skb)) |
2140 |
++ sk->sk_bound_dev_if != sdif) |
2141 |
+ continue; |
2142 |
+ |
2143 |
+ sock_hold(sk); |
2144 |
+diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c |
2145 |
+index 810cca24b3990..7626f3e1c70a7 100644 |
2146 |
+--- a/net/netfilter/nf_conntrack_proto_sctp.c |
2147 |
++++ b/net/netfilter/nf_conntrack_proto_sctp.c |
2148 |
+@@ -489,6 +489,15 @@ int nf_conntrack_sctp_packet(struct nf_conn *ct, |
2149 |
+ pr_debug("Setting vtag %x for dir %d\n", |
2150 |
+ ih->init_tag, !dir); |
2151 |
+ ct->proto.sctp.vtag[!dir] = ih->init_tag; |
2152 |
++ |
2153 |
++ /* don't renew timeout on init retransmit so |
2154 |
++ * port reuse by client or NAT middlebox cannot |
2155 |
++ * keep entry alive indefinitely (incl. nat info). |
2156 |
++ */ |
2157 |
++ if (new_state == SCTP_CONNTRACK_CLOSED && |
2158 |
++ old_state == SCTP_CONNTRACK_CLOSED && |
2159 |
++ nf_ct_is_confirmed(ct)) |
2160 |
++ ignore = true; |
2161 |
+ } |
2162 |
+ |
2163 |
+ ct->proto.sctp.state = new_state; |
2164 |
+diff --git a/net/netfilter/nft_synproxy.c b/net/netfilter/nft_synproxy.c |
2165 |
+index e2c1fc6088412..15abb0e496034 100644 |
2166 |
+--- a/net/netfilter/nft_synproxy.c |
2167 |
++++ b/net/netfilter/nft_synproxy.c |
2168 |
+@@ -191,8 +191,10 @@ static int nft_synproxy_do_init(const struct nft_ctx *ctx, |
2169 |
+ if (err) |
2170 |
+ goto nf_ct_failure; |
2171 |
+ err = nf_synproxy_ipv6_init(snet, ctx->net); |
2172 |
+- if (err) |
2173 |
++ if (err) { |
2174 |
++ nf_synproxy_ipv4_fini(snet, ctx->net); |
2175 |
+ goto nf_ct_failure; |
2176 |
++ } |
2177 |
+ break; |
2178 |
+ } |
2179 |
+ |
2180 |
+diff --git a/net/sched/act_api.c b/net/sched/act_api.c |
2181 |
+index 75132d0ca8870..ab277ee950322 100644 |
2182 |
+--- a/net/sched/act_api.c |
2183 |
++++ b/net/sched/act_api.c |
2184 |
+@@ -652,15 +652,24 @@ int tcf_action_exec(struct sk_buff *skb, struct tc_action **actions, |
2185 |
+ restart_act_graph: |
2186 |
+ for (i = 0; i < nr_actions; i++) { |
2187 |
+ const struct tc_action *a = actions[i]; |
2188 |
++ int repeat_ttl; |
2189 |
+ |
2190 |
+ if (jmp_prgcnt > 0) { |
2191 |
+ jmp_prgcnt -= 1; |
2192 |
+ continue; |
2193 |
+ } |
2194 |
++ |
2195 |
++ repeat_ttl = 32; |
2196 |
+ repeat: |
2197 |
+ ret = a->ops->act(skb, a, res); |
2198 |
+- if (ret == TC_ACT_REPEAT) |
2199 |
+- goto repeat; /* we need a ttl - JHS */ |
2200 |
++ |
2201 |
++ if (unlikely(ret == TC_ACT_REPEAT)) { |
2202 |
++ if (--repeat_ttl != 0) |
2203 |
++ goto repeat; |
2204 |
++ /* suspicious opcode, stop pipeline */ |
2205 |
++ net_warn_ratelimited("TC_ACT_REPEAT abuse ?\n"); |
2206 |
++ return TC_ACT_OK; |
2207 |
++ } |
2208 |
+ |
2209 |
+ if (TC_ACT_EXT_CMP(ret, TC_ACT_JUMP)) { |
2210 |
+ jmp_prgcnt = ret & TCA_ACT_MAX_PRIO_MASK; |
2211 |
+diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c |
2212 |
+index bc8055f4571bc..d60d7caacbf5d 100644 |
2213 |
+--- a/net/vmw_vsock/af_vsock.c |
2214 |
++++ b/net/vmw_vsock/af_vsock.c |
2215 |
+@@ -1222,6 +1222,7 @@ static int vsock_stream_connect(struct socket *sock, struct sockaddr *addr, |
2216 |
+ sk->sk_state = sk->sk_state == TCP_ESTABLISHED ? TCP_CLOSING : TCP_CLOSE; |
2217 |
+ sock->state = SS_UNCONNECTED; |
2218 |
+ vsock_transport_cancel_pkt(vsk); |
2219 |
++ vsock_remove_connected(vsk); |
2220 |
+ goto out_wait; |
2221 |
+ } else if (timeout == 0) { |
2222 |
+ err = -ETIMEDOUT; |
2223 |
+diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn |
2224 |
+index ca08f2fe7c344..854e2ba9daa29 100644 |
2225 |
+--- a/scripts/Makefile.extrawarn |
2226 |
++++ b/scripts/Makefile.extrawarn |
2227 |
+@@ -49,6 +49,7 @@ KBUILD_CFLAGS += -Wno-format |
2228 |
+ KBUILD_CFLAGS += -Wno-sign-compare |
2229 |
+ KBUILD_CFLAGS += -Wno-format-zero-length |
2230 |
+ KBUILD_CFLAGS += $(call cc-disable-warning, pointer-to-enum-cast) |
2231 |
++KBUILD_CFLAGS += $(call cc-disable-warning, unaligned-access) |
2232 |
+ endif |
2233 |
+ |
2234 |
+ endif |
2235 |
+diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c |
2236 |
+index 17298239e3633..5c2493c8e9de8 100644 |
2237 |
+--- a/scripts/kconfig/confdata.c |
2238 |
++++ b/scripts/kconfig/confdata.c |
2239 |
+@@ -987,14 +987,19 @@ static int conf_write_dep(const char *name) |
2240 |
+ |
2241 |
+ static int conf_touch_deps(void) |
2242 |
+ { |
2243 |
+- const char *name; |
2244 |
++ const char *name, *tmp; |
2245 |
+ struct symbol *sym; |
2246 |
+ int res, i; |
2247 |
+ |
2248 |
+- strcpy(depfile_path, "include/config/"); |
2249 |
+- depfile_prefix_len = strlen(depfile_path); |
2250 |
+- |
2251 |
+ name = conf_get_autoconfig_name(); |
2252 |
++ tmp = strrchr(name, '/'); |
2253 |
++ depfile_prefix_len = tmp ? tmp - name + 1 : 0; |
2254 |
++ if (depfile_prefix_len + 1 > sizeof(depfile_path)) |
2255 |
++ return -1; |
2256 |
++ |
2257 |
++ strncpy(depfile_path, name, depfile_prefix_len); |
2258 |
++ depfile_path[depfile_prefix_len] = 0; |
2259 |
++ |
2260 |
+ conf_read_simple(name, S_DEF_AUTO); |
2261 |
+ sym_calc_value(modules_sym); |
2262 |
+ |
2263 |
+diff --git a/scripts/kconfig/preprocess.c b/scripts/kconfig/preprocess.c |
2264 |
+index 0590f86df6e40..748da578b418c 100644 |
2265 |
+--- a/scripts/kconfig/preprocess.c |
2266 |
++++ b/scripts/kconfig/preprocess.c |
2267 |
+@@ -141,7 +141,7 @@ static char *do_lineno(int argc, char *argv[]) |
2268 |
+ static char *do_shell(int argc, char *argv[]) |
2269 |
+ { |
2270 |
+ FILE *p; |
2271 |
+- char buf[256]; |
2272 |
++ char buf[4096]; |
2273 |
+ char *cmd; |
2274 |
+ size_t nread; |
2275 |
+ int i; |
2276 |
+diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c |
2277 |
+index 95d472d433e70..b8fe0ec5d6247 100644 |
2278 |
+--- a/sound/pci/hda/hda_intel.c |
2279 |
++++ b/sound/pci/hda/hda_intel.c |
2280 |
+@@ -1608,6 +1608,7 @@ static struct snd_pci_quirk probe_mask_list[] = { |
2281 |
+ /* forced codec slots */ |
2282 |
+ SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103), |
2283 |
+ SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103), |
2284 |
++ SND_PCI_QUIRK(0x1558, 0x0351, "Schenker Dock 15", 0x105), |
2285 |
+ /* WinFast VP200 H (Teradici) user reported broken communication */ |
2286 |
+ SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101), |
2287 |
+ {} |
2288 |
+@@ -1793,8 +1794,6 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci, |
2289 |
+ |
2290 |
+ assign_position_fix(chip, check_position_fix(chip, position_fix[dev])); |
2291 |
+ |
2292 |
+- check_probe_mask(chip, dev); |
2293 |
+- |
2294 |
+ if (single_cmd < 0) /* allow fallback to single_cmd at errors */ |
2295 |
+ chip->fallback_to_single_cmd = 1; |
2296 |
+ else /* explicitly set to single_cmd or not */ |
2297 |
+@@ -1826,6 +1825,8 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci, |
2298 |
+ chip->bus.needs_damn_long_delay = 1; |
2299 |
+ } |
2300 |
+ |
2301 |
++ check_probe_mask(chip, dev); |
2302 |
++ |
2303 |
+ err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); |
2304 |
+ if (err < 0) { |
2305 |
+ dev_err(card->dev, "Error creating device [card]!\n"); |
2306 |
+diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c |
2307 |
+index ef8fd331526b0..f5dcd625e4355 100644 |
2308 |
+--- a/sound/soc/soc-ops.c |
2309 |
++++ b/sound/soc/soc-ops.c |
2310 |
+@@ -314,7 +314,7 @@ int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, |
2311 |
+ unsigned int sign_bit = mc->sign_bit; |
2312 |
+ unsigned int mask = (1 << fls(max)) - 1; |
2313 |
+ unsigned int invert = mc->invert; |
2314 |
+- int err; |
2315 |
++ int err, ret; |
2316 |
+ bool type_2r = false; |
2317 |
+ unsigned int val2 = 0; |
2318 |
+ unsigned int val, val_mask; |
2319 |
+@@ -356,12 +356,18 @@ int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, |
2320 |
+ err = snd_soc_component_update_bits(component, reg, val_mask, val); |
2321 |
+ if (err < 0) |
2322 |
+ return err; |
2323 |
++ ret = err; |
2324 |
+ |
2325 |
+- if (type_2r) |
2326 |
++ if (type_2r) { |
2327 |
+ err = snd_soc_component_update_bits(component, reg2, val_mask, |
2328 |
+- val2); |
2329 |
++ val2); |
2330 |
++ /* Don't discard any error code or drop change flag */ |
2331 |
++ if (ret == 0 || err < 0) { |
2332 |
++ ret = err; |
2333 |
++ } |
2334 |
++ } |
2335 |
+ |
2336 |
+- return err; |
2337 |
++ return ret; |
2338 |
+ } |
2339 |
+ EXPORT_SYMBOL_GPL(snd_soc_put_volsw); |
2340 |
+ |
2341 |
+@@ -517,7 +523,7 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, |
2342 |
+ unsigned int mask = (1 << fls(max)) - 1; |
2343 |
+ unsigned int invert = mc->invert; |
2344 |
+ unsigned int val, val_mask; |
2345 |
+- int ret; |
2346 |
++ int err, ret; |
2347 |
+ |
2348 |
+ if (invert) |
2349 |
+ val = (max - ucontrol->value.integer.value[0]) & mask; |
2350 |
+@@ -526,9 +532,10 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, |
2351 |
+ val_mask = mask << shift; |
2352 |
+ val = val << shift; |
2353 |
+ |
2354 |
+- ret = snd_soc_component_update_bits(component, reg, val_mask, val); |
2355 |
+- if (ret < 0) |
2356 |
+- return ret; |
2357 |
++ err = snd_soc_component_update_bits(component, reg, val_mask, val); |
2358 |
++ if (err < 0) |
2359 |
++ return err; |
2360 |
++ ret = err; |
2361 |
+ |
2362 |
+ if (snd_soc_volsw_is_stereo(mc)) { |
2363 |
+ if (invert) |
2364 |
+@@ -538,8 +545,12 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, |
2365 |
+ val_mask = mask << shift; |
2366 |
+ val = val << shift; |
2367 |
+ |
2368 |
+- ret = snd_soc_component_update_bits(component, rreg, val_mask, |
2369 |
++ err = snd_soc_component_update_bits(component, rreg, val_mask, |
2370 |
+ val); |
2371 |
++ /* Don't discard any error code or drop change flag */ |
2372 |
++ if (ret == 0 || err < 0) { |
2373 |
++ ret = err; |
2374 |
++ } |
2375 |
+ } |
2376 |
+ |
2377 |
+ return ret; |
2378 |
+diff --git a/tools/lib/subcmd/subcmd-util.h b/tools/lib/subcmd/subcmd-util.h |
2379 |
+index 794a375dad360..b2aec04fce8f6 100644 |
2380 |
+--- a/tools/lib/subcmd/subcmd-util.h |
2381 |
++++ b/tools/lib/subcmd/subcmd-util.h |
2382 |
+@@ -50,15 +50,8 @@ static NORETURN inline void die(const char *err, ...) |
2383 |
+ static inline void *xrealloc(void *ptr, size_t size) |
2384 |
+ { |
2385 |
+ void *ret = realloc(ptr, size); |
2386 |
+- if (!ret && !size) |
2387 |
+- ret = realloc(ptr, 1); |
2388 |
+- if (!ret) { |
2389 |
+- ret = realloc(ptr, size); |
2390 |
+- if (!ret && !size) |
2391 |
+- ret = realloc(ptr, 1); |
2392 |
+- if (!ret) |
2393 |
+- die("Out of memory, realloc failed"); |
2394 |
+- } |
2395 |
++ if (!ret) |
2396 |
++ die("Out of memory, realloc failed"); |
2397 |
+ return ret; |
2398 |
+ } |
2399 |
+ |
2400 |
+diff --git a/tools/testing/selftests/rtc/settings b/tools/testing/selftests/rtc/settings |
2401 |
+index ba4d85f74cd6b..a953c96aa16e1 100644 |
2402 |
+--- a/tools/testing/selftests/rtc/settings |
2403 |
++++ b/tools/testing/selftests/rtc/settings |
2404 |
+@@ -1 +1 @@ |
2405 |
+-timeout=90 |
2406 |
++timeout=180 |
2407 |
+diff --git a/tools/testing/selftests/zram/zram.sh b/tools/testing/selftests/zram/zram.sh |
2408 |
+index 232e958ec4547..b0b91d9b0dc21 100755 |
2409 |
+--- a/tools/testing/selftests/zram/zram.sh |
2410 |
++++ b/tools/testing/selftests/zram/zram.sh |
2411 |
+@@ -2,9 +2,6 @@ |
2412 |
+ # SPDX-License-Identifier: GPL-2.0 |
2413 |
+ TCID="zram.sh" |
2414 |
+ |
2415 |
+-# Kselftest framework requirement - SKIP code is 4. |
2416 |
+-ksft_skip=4 |
2417 |
+- |
2418 |
+ . ./zram_lib.sh |
2419 |
+ |
2420 |
+ run_zram () { |
2421 |
+@@ -18,14 +15,4 @@ echo "" |
2422 |
+ |
2423 |
+ check_prereqs |
2424 |
+ |
2425 |
+-# check zram module exists |
2426 |
+-MODULE_PATH=/lib/modules/`uname -r`/kernel/drivers/block/zram/zram.ko |
2427 |
+-if [ -f $MODULE_PATH ]; then |
2428 |
+- run_zram |
2429 |
+-elif [ -b /dev/zram0 ]; then |
2430 |
+- run_zram |
2431 |
+-else |
2432 |
+- echo "$TCID : No zram.ko module or /dev/zram0 device file not found" |
2433 |
+- echo "$TCID : CONFIG_ZRAM is not set" |
2434 |
+- exit $ksft_skip |
2435 |
+-fi |
2436 |
++run_zram |
2437 |
+diff --git a/tools/testing/selftests/zram/zram01.sh b/tools/testing/selftests/zram/zram01.sh |
2438 |
+index 114863d9fb876..8f4affe34f3e4 100755 |
2439 |
+--- a/tools/testing/selftests/zram/zram01.sh |
2440 |
++++ b/tools/testing/selftests/zram/zram01.sh |
2441 |
+@@ -33,9 +33,7 @@ zram_algs="lzo" |
2442 |
+ |
2443 |
+ zram_fill_fs() |
2444 |
+ { |
2445 |
+- local mem_free0=$(free -m | awk 'NR==2 {print $4}') |
2446 |
+- |
2447 |
+- for i in $(seq 0 $(($dev_num - 1))); do |
2448 |
++ for i in $(seq $dev_start $dev_end); do |
2449 |
+ echo "fill zram$i..." |
2450 |
+ local b=0 |
2451 |
+ while [ true ]; do |
2452 |
+@@ -45,29 +43,17 @@ zram_fill_fs() |
2453 |
+ b=$(($b + 1)) |
2454 |
+ done |
2455 |
+ echo "zram$i can be filled with '$b' KB" |
2456 |
+- done |
2457 |
+ |
2458 |
+- local mem_free1=$(free -m | awk 'NR==2 {print $4}') |
2459 |
+- local used_mem=$(($mem_free0 - $mem_free1)) |
2460 |
++ local mem_used_total=`awk '{print $3}' "/sys/block/zram$i/mm_stat"` |
2461 |
++ local v=$((100 * 1024 * $b / $mem_used_total)) |
2462 |
++ if [ "$v" -lt 100 ]; then |
2463 |
++ echo "FAIL compression ratio: 0.$v:1" |
2464 |
++ ERR_CODE=-1 |
2465 |
++ return |
2466 |
++ fi |
2467 |
+ |
2468 |
+- local total_size=0 |
2469 |
+- for sm in $zram_sizes; do |
2470 |
+- local s=$(echo $sm | sed 's/M//') |
2471 |
+- total_size=$(($total_size + $s)) |
2472 |
++ echo "zram compression ratio: $(echo "scale=2; $v / 100 " | bc):1: OK" |
2473 |
+ done |
2474 |
+- |
2475 |
+- echo "zram used ${used_mem}M, zram disk sizes ${total_size}M" |
2476 |
+- |
2477 |
+- local v=$((100 * $total_size / $used_mem)) |
2478 |
+- |
2479 |
+- if [ "$v" -lt 100 ]; then |
2480 |
+- echo "FAIL compression ratio: 0.$v:1" |
2481 |
+- ERR_CODE=-1 |
2482 |
+- zram_cleanup |
2483 |
+- return |
2484 |
+- fi |
2485 |
+- |
2486 |
+- echo "zram compression ratio: $(echo "scale=2; $v / 100 " | bc):1: OK" |
2487 |
+ } |
2488 |
+ |
2489 |
+ check_prereqs |
2490 |
+@@ -81,7 +67,6 @@ zram_mount |
2491 |
+ |
2492 |
+ zram_fill_fs |
2493 |
+ zram_cleanup |
2494 |
+-zram_unload |
2495 |
+ |
2496 |
+ if [ $ERR_CODE -ne 0 ]; then |
2497 |
+ echo "$TCID : [FAIL]" |
2498 |
+diff --git a/tools/testing/selftests/zram/zram02.sh b/tools/testing/selftests/zram/zram02.sh |
2499 |
+index e83b404807c09..2418b0c4ed136 100755 |
2500 |
+--- a/tools/testing/selftests/zram/zram02.sh |
2501 |
++++ b/tools/testing/selftests/zram/zram02.sh |
2502 |
+@@ -36,7 +36,6 @@ zram_set_memlimit |
2503 |
+ zram_makeswap |
2504 |
+ zram_swapoff |
2505 |
+ zram_cleanup |
2506 |
+-zram_unload |
2507 |
+ |
2508 |
+ if [ $ERR_CODE -ne 0 ]; then |
2509 |
+ echo "$TCID : [FAIL]" |
2510 |
+diff --git a/tools/testing/selftests/zram/zram_lib.sh b/tools/testing/selftests/zram/zram_lib.sh |
2511 |
+index 6f872f266fd11..21ec1966de76c 100755 |
2512 |
+--- a/tools/testing/selftests/zram/zram_lib.sh |
2513 |
++++ b/tools/testing/selftests/zram/zram_lib.sh |
2514 |
+@@ -5,12 +5,17 @@ |
2515 |
+ # Author: Alexey Kodanev <alexey.kodanev@××××××.com> |
2516 |
+ # Modified: Naresh Kamboju <naresh.kamboju@××××××.org> |
2517 |
+ |
2518 |
+-MODULE=0 |
2519 |
+ dev_makeswap=-1 |
2520 |
+ dev_mounted=-1 |
2521 |
+- |
2522 |
++dev_start=0 |
2523 |
++dev_end=-1 |
2524 |
++module_load=-1 |
2525 |
++sys_control=-1 |
2526 |
+ # Kselftest framework requirement - SKIP code is 4. |
2527 |
+ ksft_skip=4 |
2528 |
++kernel_version=`uname -r | cut -d'.' -f1,2` |
2529 |
++kernel_major=${kernel_version%.*} |
2530 |
++kernel_minor=${kernel_version#*.} |
2531 |
+ |
2532 |
+ trap INT |
2533 |
+ |
2534 |
+@@ -25,68 +30,104 @@ check_prereqs() |
2535 |
+ fi |
2536 |
+ } |
2537 |
+ |
2538 |
++kernel_gte() |
2539 |
++{ |
2540 |
++ major=${1%.*} |
2541 |
++ minor=${1#*.} |
2542 |
++ |
2543 |
++ if [ $kernel_major -gt $major ]; then |
2544 |
++ return 0 |
2545 |
++ elif [[ $kernel_major -eq $major && $kernel_minor -ge $minor ]]; then |
2546 |
++ return 0 |
2547 |
++ fi |
2548 |
++ |
2549 |
++ return 1 |
2550 |
++} |
2551 |
++ |
2552 |
+ zram_cleanup() |
2553 |
+ { |
2554 |
+ echo "zram cleanup" |
2555 |
+ local i= |
2556 |
+- for i in $(seq 0 $dev_makeswap); do |
2557 |
++ for i in $(seq $dev_start $dev_makeswap); do |
2558 |
+ swapoff /dev/zram$i |
2559 |
+ done |
2560 |
+ |
2561 |
+- for i in $(seq 0 $dev_mounted); do |
2562 |
++ for i in $(seq $dev_start $dev_mounted); do |
2563 |
+ umount /dev/zram$i |
2564 |
+ done |
2565 |
+ |
2566 |
+- for i in $(seq 0 $(($dev_num - 1))); do |
2567 |
++ for i in $(seq $dev_start $dev_end); do |
2568 |
+ echo 1 > /sys/block/zram${i}/reset |
2569 |
+ rm -rf zram$i |
2570 |
+ done |
2571 |
+ |
2572 |
+-} |
2573 |
++ if [ $sys_control -eq 1 ]; then |
2574 |
++ for i in $(seq $dev_start $dev_end); do |
2575 |
++ echo $i > /sys/class/zram-control/hot_remove |
2576 |
++ done |
2577 |
++ fi |
2578 |
+ |
2579 |
+-zram_unload() |
2580 |
+-{ |
2581 |
+- if [ $MODULE -ne 0 ] ; then |
2582 |
+- echo "zram rmmod zram" |
2583 |
++ if [ $module_load -eq 1 ]; then |
2584 |
+ rmmod zram > /dev/null 2>&1 |
2585 |
+ fi |
2586 |
+ } |
2587 |
+ |
2588 |
+ zram_load() |
2589 |
+ { |
2590 |
+- # check zram module exists |
2591 |
+- MODULE_PATH=/lib/modules/`uname -r`/kernel/drivers/block/zram/zram.ko |
2592 |
+- if [ -f $MODULE_PATH ]; then |
2593 |
+- MODULE=1 |
2594 |
+- echo "create '$dev_num' zram device(s)" |
2595 |
+- modprobe zram num_devices=$dev_num |
2596 |
+- if [ $? -ne 0 ]; then |
2597 |
+- echo "failed to insert zram module" |
2598 |
+- exit 1 |
2599 |
+- fi |
2600 |
+- |
2601 |
+- dev_num_created=$(ls /dev/zram* | wc -w) |
2602 |
++ echo "create '$dev_num' zram device(s)" |
2603 |
++ |
2604 |
++ # zram module loaded, new kernel |
2605 |
++ if [ -d "/sys/class/zram-control" ]; then |
2606 |
++ echo "zram modules already loaded, kernel supports" \ |
2607 |
++ "zram-control interface" |
2608 |
++ dev_start=$(ls /dev/zram* | wc -w) |
2609 |
++ dev_end=$(($dev_start + $dev_num - 1)) |
2610 |
++ sys_control=1 |
2611 |
++ |
2612 |
++ for i in $(seq $dev_start $dev_end); do |
2613 |
++ cat /sys/class/zram-control/hot_add > /dev/null |
2614 |
++ done |
2615 |
++ |
2616 |
++ echo "all zram devices (/dev/zram$dev_start~$dev_end" \ |
2617 |
++ "successfully created" |
2618 |
++ return 0 |
2619 |
++ fi |
2620 |
+ |
2621 |
+- if [ "$dev_num_created" -ne "$dev_num" ]; then |
2622 |
+- echo "unexpected num of devices: $dev_num_created" |
2623 |
+- ERR_CODE=-1 |
2624 |
++ # detect old kernel or built-in |
2625 |
++ modprobe zram num_devices=$dev_num |
2626 |
++ if [ ! -d "/sys/class/zram-control" ]; then |
2627 |
++ if grep -q '^zram' /proc/modules; then |
2628 |
++ rmmod zram > /dev/null 2>&1 |
2629 |
++ if [ $? -ne 0 ]; then |
2630 |
++ echo "zram module is being used on old kernel" \ |
2631 |
++ "without zram-control interface" |
2632 |
++ exit $ksft_skip |
2633 |
++ fi |
2634 |
+ else |
2635 |
+- echo "zram load module successful" |
2636 |
++ echo "test needs CONFIG_ZRAM=m on old kernel without" \ |
2637 |
++ "zram-control interface" |
2638 |
++ exit $ksft_skip |
2639 |
+ fi |
2640 |
+- elif [ -b /dev/zram0 ]; then |
2641 |
+- echo "/dev/zram0 device file found: OK" |
2642 |
+- else |
2643 |
+- echo "ERROR: No zram.ko module or no /dev/zram0 device found" |
2644 |
+- echo "$TCID : CONFIG_ZRAM is not set" |
2645 |
+- exit 1 |
2646 |
++ modprobe zram num_devices=$dev_num |
2647 |
+ fi |
2648 |
++ |
2649 |
++ module_load=1 |
2650 |
++ dev_end=$(($dev_num - 1)) |
2651 |
++ echo "all zram devices (/dev/zram0~$dev_end) successfully created" |
2652 |
+ } |
2653 |
+ |
2654 |
+ zram_max_streams() |
2655 |
+ { |
2656 |
+ echo "set max_comp_streams to zram device(s)" |
2657 |
+ |
2658 |
+- local i=0 |
2659 |
++ kernel_gte 4.7 |
2660 |
++ if [ $? -eq 0 ]; then |
2661 |
++ echo "The device attribute max_comp_streams was"\ |
2662 |
++ "deprecated in 4.7" |
2663 |
++ return 0 |
2664 |
++ fi |
2665 |
++ |
2666 |
++ local i=$dev_start |
2667 |
+ for max_s in $zram_max_streams; do |
2668 |
+ local sys_path="/sys/block/zram${i}/max_comp_streams" |
2669 |
+ echo $max_s > $sys_path || \ |
2670 |
+@@ -98,7 +139,7 @@ zram_max_streams() |
2671 |
+ echo "FAIL can't set max_streams '$max_s', get $max_stream" |
2672 |
+ |
2673 |
+ i=$(($i + 1)) |
2674 |
+- echo "$sys_path = '$max_streams' ($i/$dev_num)" |
2675 |
++ echo "$sys_path = '$max_streams'" |
2676 |
+ done |
2677 |
+ |
2678 |
+ echo "zram max streams: OK" |
2679 |
+@@ -108,15 +149,16 @@ zram_compress_alg() |
2680 |
+ { |
2681 |
+ echo "test that we can set compression algorithm" |
2682 |
+ |
2683 |
+- local algs=$(cat /sys/block/zram0/comp_algorithm) |
2684 |
++ local i=$dev_start |
2685 |
++ local algs=$(cat /sys/block/zram${i}/comp_algorithm) |
2686 |
+ echo "supported algs: $algs" |
2687 |
+- local i=0 |
2688 |
++ |
2689 |
+ for alg in $zram_algs; do |
2690 |
+ local sys_path="/sys/block/zram${i}/comp_algorithm" |
2691 |
+ echo "$alg" > $sys_path || \ |
2692 |
+ echo "FAIL can't set '$alg' to $sys_path" |
2693 |
+ i=$(($i + 1)) |
2694 |
+- echo "$sys_path = '$alg' ($i/$dev_num)" |
2695 |
++ echo "$sys_path = '$alg'" |
2696 |
+ done |
2697 |
+ |
2698 |
+ echo "zram set compression algorithm: OK" |
2699 |
+@@ -125,14 +167,14 @@ zram_compress_alg() |
2700 |
+ zram_set_disksizes() |
2701 |
+ { |
2702 |
+ echo "set disk size to zram device(s)" |
2703 |
+- local i=0 |
2704 |
++ local i=$dev_start |
2705 |
+ for ds in $zram_sizes; do |
2706 |
+ local sys_path="/sys/block/zram${i}/disksize" |
2707 |
+ echo "$ds" > $sys_path || \ |
2708 |
+ echo "FAIL can't set '$ds' to $sys_path" |
2709 |
+ |
2710 |
+ i=$(($i + 1)) |
2711 |
+- echo "$sys_path = '$ds' ($i/$dev_num)" |
2712 |
++ echo "$sys_path = '$ds'" |
2713 |
+ done |
2714 |
+ |
2715 |
+ echo "zram set disksizes: OK" |
2716 |
+@@ -142,14 +184,14 @@ zram_set_memlimit() |
2717 |
+ { |
2718 |
+ echo "set memory limit to zram device(s)" |
2719 |
+ |
2720 |
+- local i=0 |
2721 |
++ local i=$dev_start |
2722 |
+ for ds in $zram_mem_limits; do |
2723 |
+ local sys_path="/sys/block/zram${i}/mem_limit" |
2724 |
+ echo "$ds" > $sys_path || \ |
2725 |
+ echo "FAIL can't set '$ds' to $sys_path" |
2726 |
+ |
2727 |
+ i=$(($i + 1)) |
2728 |
+- echo "$sys_path = '$ds' ($i/$dev_num)" |
2729 |
++ echo "$sys_path = '$ds'" |
2730 |
+ done |
2731 |
+ |
2732 |
+ echo "zram set memory limit: OK" |
2733 |
+@@ -158,8 +200,8 @@ zram_set_memlimit() |
2734 |
+ zram_makeswap() |
2735 |
+ { |
2736 |
+ echo "make swap with zram device(s)" |
2737 |
+- local i=0 |
2738 |
+- for i in $(seq 0 $(($dev_num - 1))); do |
2739 |
++ local i=$dev_start |
2740 |
++ for i in $(seq $dev_start $dev_end); do |
2741 |
+ mkswap /dev/zram$i > err.log 2>&1 |
2742 |
+ if [ $? -ne 0 ]; then |
2743 |
+ cat err.log |
2744 |
+@@ -182,7 +224,7 @@ zram_makeswap() |
2745 |
+ zram_swapoff() |
2746 |
+ { |
2747 |
+ local i= |
2748 |
+- for i in $(seq 0 $dev_makeswap); do |
2749 |
++ for i in $(seq $dev_start $dev_end); do |
2750 |
+ swapoff /dev/zram$i > err.log 2>&1 |
2751 |
+ if [ $? -ne 0 ]; then |
2752 |
+ cat err.log |
2753 |
+@@ -196,7 +238,7 @@ zram_swapoff() |
2754 |
+ |
2755 |
+ zram_makefs() |
2756 |
+ { |
2757 |
+- local i=0 |
2758 |
++ local i=$dev_start |
2759 |
+ for fs in $zram_filesystems; do |
2760 |
+ # if requested fs not supported default it to ext2 |
2761 |
+ which mkfs.$fs > /dev/null 2>&1 || fs=ext2 |
2762 |
+@@ -215,7 +257,7 @@ zram_makefs() |
2763 |
+ zram_mount() |
2764 |
+ { |
2765 |
+ local i=0 |
2766 |
+- for i in $(seq 0 $(($dev_num - 1))); do |
2767 |
++ for i in $(seq $dev_start $dev_end); do |
2768 |
+ echo "mount /dev/zram$i" |
2769 |
+ mkdir zram$i |
2770 |
+ mount /dev/zram$i zram$i > /dev/null || \ |