x86/cpufeature: Remove cpu_has_xmm2

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>

diff --git a/arch/x86/crypto/poly1305_glue.c b/arch/x86/crypto/poly1305_glue.c
index 4264a3d595894b1a8e8bbba635f477878b0461dd..b283868acdf8528c5025d3b4dc93369067a6792f 100644 (file)
--- a/arch/x86/crypto/poly1305_glue.c
+++ b/arch/x86/crypto/poly1305_glue.c
@@ -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

diff --git a/arch/x86/crypto/serpent_sse2_glue.c b/arch/x86/crypto/serpent_sse2_glue.c
index 8943407e8917a343658c0a3c81ed9ec0dc6b1735..644f97ab8cace2910d91cf9abb798f044aef0c1f 100644 (file)
--- a/arch/x86/crypto/serpent_sse2_glue.c
+++ b/arch/x86/crypto/serpent_sse2_glue.c
@@ -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;
        }

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index a75154232db5242af3cd7a07aad25a8b68320a7b..5e02bc2e8444ff8786fa9d6ee1220247d8ad1633 100644 (file)
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -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)

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 6e47e3a916f12a03069a7c38ef21e9b2df5edcdf..ea8f88a2a688b0bf001fa4164aefaa31bd7488cf 100644 (file)
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -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);
        }

diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 628a9f853b84ce75c0ec5c723705f9d175f31fc6..1dba36fe73e5d811ec5440629ec6d5d1cb8455a5 100644 (file)
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -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)) {

diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c
index 91d93b95bd8685228b395c10e77d30e3a4303355..b559d923878133aadb4480c61e642bbf6c799086 100644 (file)
--- a/arch/x86/lib/usercopy_32.c
+++ b/arch/x86/lib/usercopy_32.c
@@ -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);
@@ -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);