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authorBorislav Petkov <bp@suse.de>2016-04-04 16:24:57 -0400
committerIngo Molnar <mingo@kernel.org>2016-04-13 05:37:40 -0400
commitdda9edf7c1fdc0d7a7ed7f46299a26282190fb6d (patch)
treef6ef634d3ae1d1ef7e7caa1d35211986e9306446
parentda154e82af4d0c63e2334d5b3822426600b0490f (diff)
x86/cpufeature: Replace cpu_has_xmm with boot_cpu_has() usage
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> Link: http://lkml.kernel.org/r/1459801503-15600-5-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r--arch/x86/include/asm/cpufeature.h1
-rw-r--r--arch/x86/include/asm/xor_32.h2
-rw-r--r--arch/x86/kernel/fpu/core.c2
-rw-r--r--arch/x86/kernel/fpu/init.c2
4 files changed, 3 insertions, 4 deletions
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 3b232a120a5d..6463258b4619 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -122,7 +122,6 @@ extern const char * const x86_bug_flags[NBUGINTS*32];
122#define cpu_has_tsc boot_cpu_has(X86_FEATURE_TSC) 122#define cpu_has_tsc boot_cpu_has(X86_FEATURE_TSC)
123#define cpu_has_apic boot_cpu_has(X86_FEATURE_APIC) 123#define cpu_has_apic boot_cpu_has(X86_FEATURE_APIC)
124#define cpu_has_fxsr boot_cpu_has(X86_FEATURE_FXSR) 124#define cpu_has_fxsr boot_cpu_has(X86_FEATURE_FXSR)
125#define cpu_has_xmm boot_cpu_has(X86_FEATURE_XMM)
126#define cpu_has_xsave boot_cpu_has(X86_FEATURE_XSAVE) 125#define cpu_has_xsave boot_cpu_has(X86_FEATURE_XSAVE)
127#define cpu_has_xsaves boot_cpu_has(X86_FEATURE_XSAVES) 126#define cpu_has_xsaves boot_cpu_has(X86_FEATURE_XSAVES)
128/* 127/*
diff --git a/arch/x86/include/asm/xor_32.h b/arch/x86/include/asm/xor_32.h
index c54beb44c4c1..635eac543922 100644
--- a/arch/x86/include/asm/xor_32.h
+++ b/arch/x86/include/asm/xor_32.h
@@ -550,7 +550,7 @@ static struct xor_block_template xor_block_pIII_sse = {
550#define XOR_TRY_TEMPLATES \ 550#define XOR_TRY_TEMPLATES \
551do { \ 551do { \
552 AVX_XOR_SPEED; \ 552 AVX_XOR_SPEED; \
553 if (cpu_has_xmm) { \ 553 if (boot_cpu_has(X86_FEATURE_XMM)) { \
554 xor_speed(&xor_block_pIII_sse); \ 554 xor_speed(&xor_block_pIII_sse); \
555 xor_speed(&xor_block_sse_pf64); \ 555 xor_speed(&xor_block_sse_pf64); \
556 } else if (boot_cpu_has(X86_FEATURE_MMX)) { \ 556 } else if (boot_cpu_has(X86_FEATURE_MMX)) { \
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index 8e37cc8a539a..b05aa68f88c0 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -526,7 +526,7 @@ static inline unsigned short get_fpu_swd(struct fpu *fpu)
526 526
527static inline unsigned short get_fpu_mxcsr(struct fpu *fpu) 527static inline unsigned short get_fpu_mxcsr(struct fpu *fpu)
528{ 528{
529 if (cpu_has_xmm) { 529 if (boot_cpu_has(X86_FEATURE_XMM)) {
530 return fpu->state.fxsave.mxcsr; 530 return fpu->state.fxsave.mxcsr;
531 } else { 531 } else {
532 return MXCSR_DEFAULT; 532 return MXCSR_DEFAULT;
diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c
index 54c86fffbf9f..9bbb332a71ff 100644
--- a/arch/x86/kernel/fpu/init.c
+++ b/arch/x86/kernel/fpu/init.c
@@ -31,7 +31,7 @@ static void fpu__init_cpu_generic(void)
31 31
32 if (cpu_has_fxsr) 32 if (cpu_has_fxsr)
33 cr4_mask |= X86_CR4_OSFXSR; 33 cr4_mask |= X86_CR4_OSFXSR;
34 if (cpu_has_xmm) 34 if (boot_cpu_has(X86_FEATURE_XMM))
35 cr4_mask |= X86_CR4_OSXMMEXCPT; 35 cr4_mask |= X86_CR4_OSXMMEXCPT;
36 if (cr4_mask) 36 if (cr4_mask)
37 cr4_set_bits(cr4_mask); 37 cr4_set_bits(cr4_mask);