[tip:x86/asm] x86/cpufeature: Replace cpu_has_aes with boot_cpu_has() usage

tip-bot for Borislav Petkov
2016-04-13T11:38:34Z

Commit-ID: 1f4dd7938ea575a2d1972e180eaef31e6edb1808
Gitweb: http://git.kernel.org/tip/1f4dd7938ea575a2d1972e180eaef31e6edb1808
Author: Borislav Petkov <bp@suse.de>
AuthorDate: Mon, 4 Apr 2016 22:24:55 +0200
Committer: Ingo Molnar <mingo@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 <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/1459801503-15600-3-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@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)