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authorBorislav Petkov <bp@suse.de>2016-04-04 16:24:54 -0400
committerIngo Molnar <mingo@kernel.org>2016-04-13 05:37:39 -0400
commitabcfdfe07de75f830cbec1aa3eb17833a0166697 (patch)
tree3fe28aba56b70f6b5231c5f2aa0cccdc3b66a92e
parent95a8e746f82bdda5d8a443b6557c930782d65b86 (diff)
x86/cpufeature: Replace cpu_has_avx2 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> 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 <mingo@kernel.org>
-rw-r--r--arch/x86/crypto/camellia_aesni_avx2_glue.c2
-rw-r--r--arch/x86/crypto/chacha20_glue.c2
-rw-r--r--arch/x86/crypto/poly1305_glue.c2
-rw-r--r--arch/x86/crypto/serpent_avx2_glue.c2
-rw-r--r--arch/x86/include/asm/cpufeature.h1
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)
562{ 562{
563 const char *feature_name; 563 const char *feature_name;
564 564
565 if (!cpu_has_avx2 || !cpu_has_avx || !cpu_has_aes || 565 if (!boot_cpu_has(X86_FEATURE_AVX2) || !cpu_has_avx || !cpu_has_aes ||
566 !boot_cpu_has(X86_FEATURE_OSXSAVE)) { 566 !boot_cpu_has(X86_FEATURE_OSXSAVE)) {
567 pr_info("AVX2 or AES-NI instructions are not detected.\n"); 567 pr_info("AVX2 or AES-NI instructions are not detected.\n");
568 return -ENODEV; 568 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)
129 return -ENODEV; 129 return -ENODEV;
130 130
131#ifdef CONFIG_AS_AVX2 131#ifdef CONFIG_AS_AVX2
132 chacha20_use_avx2 = cpu_has_avx && cpu_has_avx2 && 132 chacha20_use_avx2 = cpu_has_avx && boot_cpu_has(X86_FEATURE_AVX2) &&
133 cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, NULL); 133 cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, NULL);
134#endif 134#endif
135 return crypto_register_alg(&alg); 135 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)
183 return -ENODEV; 183 return -ENODEV;
184 184
185#ifdef CONFIG_AS_AVX2 185#ifdef CONFIG_AS_AVX2
186 poly1305_use_avx2 = cpu_has_avx && cpu_has_avx2 && 186 poly1305_use_avx2 = cpu_has_avx && boot_cpu_has(X86_FEATURE_AVX2) &&
187 cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, NULL); 187 cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, NULL);
188 alg.descsize = sizeof(struct poly1305_simd_desc_ctx); 188 alg.descsize = sizeof(struct poly1305_simd_desc_ctx);
189 if (poly1305_use_avx2) 189 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)
538{ 538{
539 const char *feature_name; 539 const char *feature_name;
540 540
541 if (!cpu_has_avx2 || !boot_cpu_has(X86_FEATURE_OSXSAVE)) { 541 if (!boot_cpu_has(X86_FEATURE_AVX2) || !boot_cpu_has(X86_FEATURE_OSXSAVE)) {
542 pr_info("AVX2 instructions are not detected.\n"); 542 pr_info("AVX2 instructions are not detected.\n");
543 return -ENODEV; 543 return -ENODEV;
544 } 544 }
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];
125#define cpu_has_xmm boot_cpu_has(X86_FEATURE_XMM) 125#define cpu_has_xmm boot_cpu_has(X86_FEATURE_XMM)
126#define cpu_has_aes boot_cpu_has(X86_FEATURE_AES) 126#define cpu_has_aes boot_cpu_has(X86_FEATURE_AES)
127#define cpu_has_avx boot_cpu_has(X86_FEATURE_AVX) 127#define cpu_has_avx boot_cpu_has(X86_FEATURE_AVX)
128#define cpu_has_avx2 boot_cpu_has(X86_FEATURE_AVX2)
129#define cpu_has_xsave boot_cpu_has(X86_FEATURE_XSAVE) 128#define cpu_has_xsave boot_cpu_has(X86_FEATURE_XSAVE)
130#define cpu_has_xsaves boot_cpu_has(X86_FEATURE_XSAVES) 129#define cpu_has_xsaves boot_cpu_has(X86_FEATURE_XSAVES)
131/* 130/*