Skip to content

Commit

Permalink
x86/cpufeature: Remove cpu_has_xmm2
Browse files Browse the repository at this point in the history
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-crypto@vger.kernel.org
Link: http://lkml.kernel.org/r/1459266123-21878-8-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
  • Loading branch information
Borislav Petkov authored and Ingo Molnar committed Mar 31, 2016
1 parent 906bf7f commit 054efb6
Show file tree
Hide file tree
Showing 6 changed files with 6 additions and 7 deletions.
2 changes: 1 addition & 1 deletion arch/x86/crypto/poly1305_glue.c
Original file line number Diff line number Diff line change
Expand Up @@ -179,7 +179,7 @@ static struct shash_alg alg = {

static int __init poly1305_simd_mod_init(void)
{
if (!cpu_has_xmm2)
if (!boot_cpu_has(X86_FEATURE_XMM2))
return -ENODEV;

#ifdef CONFIG_AS_AVX2
Expand Down
2 changes: 1 addition & 1 deletion arch/x86/crypto/serpent_sse2_glue.c
Original file line number Diff line number Diff line change
Expand Up @@ -600,7 +600,7 @@ static struct crypto_alg serpent_algs[10] = { {

static int __init serpent_sse2_init(void)
{
if (!cpu_has_xmm2) {
if (!boot_cpu_has(X86_FEATURE_XMM2)) {
printk(KERN_INFO "SSE2 instructions are not detected.\n");
return -ENODEV;
}
Expand Down
1 change: 0 additions & 1 deletion arch/x86/include/asm/cpufeature.h
Original file line number Diff line number Diff line change
Expand Up @@ -125,7 +125,6 @@ extern const char * const x86_bug_flags[NBUGINTS*32];
#define cpu_has_apic boot_cpu_has(X86_FEATURE_APIC)
#define cpu_has_fxsr boot_cpu_has(X86_FEATURE_FXSR)
#define cpu_has_xmm boot_cpu_has(X86_FEATURE_XMM)
#define cpu_has_xmm2 boot_cpu_has(X86_FEATURE_XMM2)
#define cpu_has_aes boot_cpu_has(X86_FEATURE_AES)
#define cpu_has_avx boot_cpu_has(X86_FEATURE_AVX)
#define cpu_has_avx2 boot_cpu_has(X86_FEATURE_AVX2)
Expand Down
2 changes: 1 addition & 1 deletion arch/x86/kernel/cpu/amd.c
Original file line number Diff line number Diff line change
Expand Up @@ -750,7 +750,7 @@ static void init_amd(struct cpuinfo_x86 *c)
if (c->x86 >= 0xf)
set_cpu_cap(c, X86_FEATURE_K8);

if (cpu_has_xmm2) {
if (cpu_has(c, X86_FEATURE_XMM2)) {
/* MFENCE stops RDTSC speculation */
set_cpu_cap(c, X86_FEATURE_MFENCE_RDTSC);
}
Expand Down
2 changes: 1 addition & 1 deletion arch/x86/kernel/cpu/intel.c
Original file line number Diff line number Diff line change
Expand Up @@ -456,7 +456,7 @@ static void init_intel(struct cpuinfo_x86 *c)
set_cpu_cap(c, X86_FEATURE_ARCH_PERFMON);
}

if (cpu_has_xmm2)
if (cpu_has(c, X86_FEATURE_XMM2))
set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC);

if (boot_cpu_has(X86_FEATURE_DS)) {
Expand Down
4 changes: 2 additions & 2 deletions arch/x86/lib/usercopy_32.c
Original file line number Diff line number Diff line change
Expand Up @@ -612,7 +612,7 @@ unsigned long __copy_from_user_ll_nocache(void *to, const void __user *from,
{
stac();
#ifdef CONFIG_X86_INTEL_USERCOPY
if (n > 64 && cpu_has_xmm2)
if (n > 64 && static_cpu_has(X86_FEATURE_XMM2))
n = __copy_user_zeroing_intel_nocache(to, from, n);
else
__copy_user_zeroing(to, from, n);
Expand All @@ -629,7 +629,7 @@ unsigned long __copy_from_user_ll_nocache_nozero(void *to, const void __user *fr
{
stac();
#ifdef CONFIG_X86_INTEL_USERCOPY
if (n > 64 && cpu_has_xmm2)
if (n > 64 && static_cpu_has(X86_FEATURE_XMM2))
n = __copy_user_intel_nocache(to, from, n);
else
__copy_user(to, from, n);
Expand Down

0 comments on commit 054efb6

Please sign in to comment.