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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-07-07 12:35:33 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-07-07 12:35:33 +0100 |
| commit | 06be5eefe1192eb8ce8d07497f67595b6bfe9741 (patch) | |
| tree | 80f1987d4970f8079681f8be0c135cafc8d6329a /arch/x86/crypto/serpent_avx_glue.c | |
| parent | 11b8b25ce4f8acfd3b438683c0c9ade27756c6e8 (diff) | |
| parent | 1bd46782d08b01b73df0085b51ea1021b19b44fd (diff) | |
| download | linux-stable-06be5eefe1192eb8ce8d07497f67595b6bfe9741.tar.gz linux-stable-06be5eefe1192eb8ce8d07497f67595b6bfe9741.tar.bz2 linux-stable-06be5eefe1192eb8ce8d07497f67595b6bfe9741.zip | |
Merge branches 'fixes' and 'ioremap' into for-linus
Diffstat (limited to 'arch/x86/crypto/serpent_avx_glue.c')
| -rw-r--r-- | arch/x86/crypto/serpent_avx_glue.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/arch/x86/crypto/serpent_avx_glue.c b/arch/x86/crypto/serpent_avx_glue.c index c8d478af8456..da7dafc9b16d 100644 --- a/arch/x86/crypto/serpent_avx_glue.c +++ b/arch/x86/crypto/serpent_avx_glue.c @@ -36,8 +36,7 @@ #include <crypto/ctr.h> #include <crypto/lrw.h> #include <crypto/xts.h> -#include <asm/xcr.h> -#include <asm/xsave.h> +#include <asm/fpu/api.h> #include <asm/crypto/serpent-avx.h> #include <asm/crypto/glue_helper.h> @@ -596,16 +595,10 @@ static struct crypto_alg serpent_algs[10] = { { static int __init serpent_init(void) { - u64 xcr0; + const char *feature_name; - if (!cpu_has_avx || !cpu_has_osxsave) { - printk(KERN_INFO "AVX instructions are not detected.\n"); - return -ENODEV; - } - - xcr0 = xgetbv(XCR_XFEATURE_ENABLED_MASK); - if ((xcr0 & (XSTATE_SSE | XSTATE_YMM)) != (XSTATE_SSE | XSTATE_YMM)) { - printk(KERN_INFO "AVX detected but unusable.\n"); + if (!cpu_has_xfeatures(XSTATE_SSE | XSTATE_YMM, &feature_name)) { + pr_info("CPU feature '%s' is not supported.\n", feature_name); return -ENODEV; } |