Commit-ID:  1f4dd7938ea575a2d1972e180eaef31e6edb1808
Gitweb:     http://git.kernel.org/tip/1f4dd7938ea575a2d1972e180eaef31e6edb1808
Author:     Borislav Petkov <b...@suse.de>
AuthorDate: Mon, 4 Apr 2016 22:24:55 +0200
Committer:  Ingo Molnar <mi...@kernel.org>
CommitDate: Wed, 13 Apr 2016 11:37:39 +0200

x86/cpufeature: Replace cpu_has_aes with boot_cpu_has() usage

Signed-off-by: Borislav Petkov <b...@suse.de>
Cc: Andy Lutomirski <l...@amacapital.net>
Cc: Borislav Petkov <b...@alien8.de>
Cc: Brian Gerst <brge...@gmail.com>
Cc: Denys Vlasenko <dvlas...@redhat.com>
Cc: H. Peter Anvin <h...@zytor.com>
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: linux-cry...@vger.kernel.org
Link: http://lkml.kernel.org/r/1459801503-15600-3-git-send-email...@alien8.de
Signed-off-by: Ingo Molnar <mi...@kernel.org>
---
 arch/x86/crypto/camellia_aesni_avx2_glue.c | 3 ++-
 arch/x86/crypto/camellia_aesni_avx_glue.c  | 4 +++-
 arch/x86/include/asm/cpufeature.h          | 1 -
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/x86/crypto/camellia_aesni_avx2_glue.c 
b/arch/x86/crypto/camellia_aesni_avx2_glue.c
index 3938966..c07f699 100644
--- a/arch/x86/crypto/camellia_aesni_avx2_glue.c
+++ b/arch/x86/crypto/camellia_aesni_avx2_glue.c
@@ -562,7 +562,8 @@ static int __init camellia_aesni_init(void)
 {
        const char *feature_name;
 
-       if (!boot_cpu_has(X86_FEATURE_AVX2) || !cpu_has_avx || !cpu_has_aes ||
+       if (!boot_cpu_has(X86_FEATURE_AVX2) || !cpu_has_avx ||
+           !boot_cpu_has(X86_FEATURE_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/camellia_aesni_avx_glue.c 
b/arch/x86/crypto/camellia_aesni_avx_glue.c
index 65f6455..6d256d5 100644
--- a/arch/x86/crypto/camellia_aesni_avx_glue.c
+++ b/arch/x86/crypto/camellia_aesni_avx_glue.c
@@ -554,7 +554,9 @@ static int __init camellia_aesni_init(void)
 {
        const char *feature_name;
 
-       if (!cpu_has_avx || !cpu_has_aes || !boot_cpu_has(X86_FEATURE_OSXSAVE)) 
{
+       if (!cpu_has_avx ||
+           !boot_cpu_has(X86_FEATURE_AES) ||
+           !boot_cpu_has(X86_FEATURE_OSXSAVE)) {
                pr_info("AVX or AES-NI instructions are not detected.\n");
                return -ENODEV;
        }
diff --git a/arch/x86/include/asm/cpufeature.h 
b/arch/x86/include/asm/cpufeature.h
index 8101665..a6627b3 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -123,7 +123,6 @@ 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_aes            boot_cpu_has(X86_FEATURE_AES)
 #define cpu_has_avx            boot_cpu_has(X86_FEATURE_AVX)
 #define cpu_has_xsave          boot_cpu_has(X86_FEATURE_XSAVE)
 #define cpu_has_xsaves         boot_cpu_has(X86_FEATURE_XSAVES)

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