From: Borislav Petkov <bp@suse.de>
Date: Mon, 4 Apr 2016 20:24:54 +0000 (+0200)
Subject: x86/cpufeature: Replace cpu_has_avx2 with boot_cpu_has() usage
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=abcfdfe07de75f830cbec1aa3eb17833a0166697;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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>
---

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)
 /*