[tip:x86/asm] x86/fpu/regset: Replace static_cpu_has() usage with boot_cpu_has()

From: tip-bot for Borislav Petkov
Date: Wed Apr 13 2016 - 07:42:12 EST


Commit-ID: 78df526c74a4db696e1e058b9869471937d0773b
Gitweb: http://git.kernel.org/tip/78df526c74a4db696e1e058b9869471937d0773b
Author: Borislav Petkov <bp@xxxxxxx>
AuthorDate: Tue, 5 Apr 2016 08:29:50 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 13 Apr 2016 11:37:42 +0200

x86/fpu/regset: Replace static_cpu_has() usage with boot_cpu_has()

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@xxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1459837795-2588-2-git-send-email-bp@xxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
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 bc5e76c..81422df 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))