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x86/cpufeature: Replace cpu_has_xsave with boot_cpu_has() usage

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Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: kvm@vger.kernel.org
Link: http://lkml.kernel.org/r/1459801503-15600-10-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Borislav Petkov
2016-04-04 22:25:02 +02:00
committed by Ingo Molnar
parent 01f8fd7379
commit d366bf7eb9
7 changed files with 18 additions and 19 deletions
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8
arch/x86/kernel/fpu/xstate.c
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@@ -190,7 +190,7 @@ void fpstate_sanitize_xstate(struct fpu *fpu)
*/
void fpu__init_cpu_xstate(void)
{
if (!cpu_has_xsave || !xfeatures_mask)
if (!boot_cpu_has(X86_FEATURE_XSAVE) || !xfeatures_mask)
return;
cr4_set_bits(X86_CR4_OSXSAVE);
@@ -316,7 +316,7 @@ static void __init setup_init_fpu_buf(void)
WARN_ON_FPU(!on_boot_cpu);
on_boot_cpu = 0;
if (!cpu_has_xsave)
if (!boot_cpu_has(X86_FEATURE_XSAVE))
return;
setup_xstate_features();
@@ -630,7 +630,7 @@ void __init fpu__init_system_xstate(void)
WARN_ON_FPU(!on_boot_cpu);
on_boot_cpu = 0;
if (!cpu_has_xsave) {
if (!boot_cpu_has(X86_FEATURE_XSAVE)) {
pr_info("x86/fpu: Legacy x87 FPU detected.\n");
return;
}
@@ -678,7 +678,7 @@ void fpu__resume_cpu(void)
/*
* Restore XCR0 on xsave capable CPUs:
*/
if (cpu_has_xsave)
if (boot_cpu_has(X86_FEATURE_XSAVE))
xsetbv(XCR_XFEATURE_ENABLED_MASK, xfeatures_mask);
}