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Groups > linux.kernel > #1371269
| From | Borislav Petkov <bp@alien8.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 1/6] x86/fpu/regset: Use boot_cpu_has() |
| Date | 2016-04-05 08:40 +0200 |
| Message-ID | <rksOD-7th-35@gated-at.bofh.it> (permalink) |
| References | <rksOC-7th-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Borislav Petkov <bp@suse.de>
fpregs_{g,s}et() are not sizzling-hot paths to justify the need for
static_cpu_has(). Use the normal boot_cpu_has() helper.
Signed-off-by: Borislav Petkov <bp@suse.de>
---
arch/x86/kernel/fpu/regset.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/fpu/regset.c b/arch/x86/kernel/fpu/regset.c
index bc5e76c1d7c5..81422dfb152b 100644
--- a/arch/x86/kernel/fpu/regset.c
+++ b/arch/x86/kernel/fpu/regset.c
@@ -278,7 +278,7 @@ int fpregs_get(struct task_struct *target, const struct user_regset *regset,
fpu__activate_fpstate_read(fpu);
- if (!static_cpu_has(X86_FEATURE_FPU))
+ if (!boot_cpu_has(X86_FEATURE_FPU))
return fpregs_soft_get(target, regset, pos, count, kbuf, ubuf);
if (!boot_cpu_has(X86_FEATURE_FXSR))
@@ -309,7 +309,7 @@ int fpregs_set(struct task_struct *target, const struct user_regset *regset,
fpu__activate_fpstate_write(fpu);
fpstate_sanitize_xstate(fpu);
- if (!static_cpu_has(X86_FEATURE_FPU))
+ if (!boot_cpu_has(X86_FEATURE_FPU))
return fpregs_soft_set(target, regset, pos, count, kbuf, ubuf);
if (!boot_cpu_has(X86_FEATURE_FXSR))
--
2.7.3
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[PATCH 0/6] x86: Misc cleanups Borislav Petkov <bp@alien8.de> - 2016-04-05 08:40 +0200
[PATCH 4/6] x86/tsc: Save an indentation level in recalibrate_cpu_khz() Borislav Petkov <bp@alien8.de> - 2016-04-05 08:40 +0200
Re: [PATCH 4/6] x86/tsc: Save an indentation level in recalibrate_cpu_khz() Peter Zijlstra <peterz@infradead.org> - 2016-04-05 10:10 +0200
[tip:x86/asm] x86/tsc: Save an indentation level in recalibrate_cpu_khz() tip-bot for Borislav Petkov <tipbot@zytor.com> - 2016-04-13 13:50 +0200
[PATCH 3/6] x86/tsc: Do not check X86_FEATURE_CONSTANT_TSC in notifier call Borislav Petkov <bp@alien8.de> - 2016-04-05 08:40 +0200
Re: [PATCH 3/6] x86/tsc: Do not check X86_FEATURE_CONSTANT_TSC in notifier call Peter Zijlstra <peterz@infradead.org> - 2016-04-05 10:10 +0200
[tip:x86/asm] x86/tsc: Do not check X86_FEATURE_CONSTANT_TSC in notifier call tip-bot for Borislav Petkov <tipbot@zytor.com> - 2016-04-13 13:50 +0200
[PATCH 1/6] x86/fpu/regset: Use boot_cpu_has() Borislav Petkov <bp@alien8.de> - 2016-04-05 08:40 +0200
Re: [PATCH 1/6] x86/fpu/regset: Use boot_cpu_has() Brian Gerst <brgerst@gmail.com> - 2016-04-05 16:00 +0200
Re: [PATCH 1/6] x86/fpu/regset: Use boot_cpu_has() Borislav Petkov <bp@alien8.de> - 2016-04-05 17:20 +0200
[tip:x86/asm] x86/fpu/regset: Replace static_cpu_has() usage with boot_cpu_has() tip-bot for Borislav Petkov <tipbot@zytor.com> - 2016-04-13 13:50 +0200
[PATCH 5/6] x86/fpu: Remove check_fpu() indirection Borislav Petkov <bp@alien8.de> - 2016-04-05 08:40 +0200
[tip:x86/asm] x86/fpu: Remove check_fpu() indirection tip-bot for Borislav Petkov <tipbot@zytor.com> - 2016-04-13 13:50 +0200
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