From abcfdfe07de75f830cbec1aa3eb17833a0166697 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Mon, 4 Apr 2016 22:24:54 +0200 Subject: [PATCH] x86/cpufeature: Replace cpu_has_avx2 with boot_cpu_has() usage Signed-off-by: Borislav Petkov Cc: Andy Lutomirski Cc: Borislav Petkov Cc: Brian Gerst Cc: Denys Vlasenko Cc: H. Peter Anvin Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: linux-crypto@vger.kernel.org Link: http://lkml.kernel.org/r/1459801503-15600-2-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar --- arch/x86/crypto/camellia_aesni_avx2_glue.c | 2 +- arch/x86/crypto/chacha20_glue.c | 2 +- arch/x86/crypto/poly1305_glue.c | 2 +- arch/x86/crypto/serpent_avx2_glue.c | 2 +- arch/x86/include/asm/cpufeature.h | 1 - 5 files changed, 4 insertions(+), 5 deletions(-) diff --git a/arch/x86/crypto/camellia_aesni_avx2_glue.c b/arch/x86/crypto/camellia_aesni_avx2_glue.c index c37f7028c85a..39389662e29b 100644 --- a/arch/x86/crypto/camellia_aesni_avx2_glue.c +++ b/arch/x86/crypto/camellia_aesni_avx2_glue.c @@ -562,7 +562,7 @@ static int __init camellia_aesni_init(void) { const char *feature_name; - if (!cpu_has_avx2 || !cpu_has_avx || !cpu_has_aes || + if (!boot_cpu_has(X86_FEATURE_AVX2) || !cpu_has_avx || !cpu_has_aes || !boot_cpu_has(X86_FEATURE_OSXSAVE)) { pr_info("AVX2 or AES-NI instructions are not detected.\n"); return -ENODEV; diff --git a/arch/x86/crypto/chacha20_glue.c b/arch/x86/crypto/chacha20_glue.c index 8baaff5af0b5..cea061e137da 100644 --- a/arch/x86/crypto/chacha20_glue.c +++ b/arch/x86/crypto/chacha20_glue.c @@ -129,7 +129,7 @@ static int __init chacha20_simd_mod_init(void) return -ENODEV; #ifdef CONFIG_AS_AVX2 - chacha20_use_avx2 = cpu_has_avx && cpu_has_avx2 && + chacha20_use_avx2 = cpu_has_avx && boot_cpu_has(X86_FEATURE_AVX2) && cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, NULL); #endif return crypto_register_alg(&alg); diff --git a/arch/x86/crypto/poly1305_glue.c b/arch/x86/crypto/poly1305_glue.c index b283868acdf8..ea21d2e440f7 100644 --- a/arch/x86/crypto/poly1305_glue.c +++ b/arch/x86/crypto/poly1305_glue.c @@ -183,7 +183,7 @@ static int __init poly1305_simd_mod_init(void) return -ENODEV; #ifdef CONFIG_AS_AVX2 - poly1305_use_avx2 = cpu_has_avx && cpu_has_avx2 && + poly1305_use_avx2 = cpu_has_avx && boot_cpu_has(X86_FEATURE_AVX2) && cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, NULL); alg.descsize = sizeof(struct poly1305_simd_desc_ctx); if (poly1305_use_avx2) diff --git a/arch/x86/crypto/serpent_avx2_glue.c b/arch/x86/crypto/serpent_avx2_glue.c index 408cae2b3543..870f6d812a2d 100644 --- a/arch/x86/crypto/serpent_avx2_glue.c +++ b/arch/x86/crypto/serpent_avx2_glue.c @@ -538,7 +538,7 @@ static int __init init(void) { const char *feature_name; - if (!cpu_has_avx2 || !boot_cpu_has(X86_FEATURE_OSXSAVE)) { + if (!boot_cpu_has(X86_FEATURE_AVX2) || !boot_cpu_has(X86_FEATURE_OSXSAVE)) { pr_info("AVX2 instructions are not detected.\n"); return -ENODEV; } diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index c594e04bf529..810166530cbf 100644 --- 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_xmm boot_cpu_has(X86_FEATURE_XMM) #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) #define cpu_has_xsave boot_cpu_has(X86_FEATURE_XSAVE) #define cpu_has_xsaves boot_cpu_has(X86_FEATURE_XSAVES) /*