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Diffstat (limited to 'kernel/arch/x86/crypto/serpent_avx2_glue.c')
-rw-r--r--kernel/arch/x86/crypto/serpent_avx2_glue.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/kernel/arch/x86/crypto/serpent_avx2_glue.c b/kernel/arch/x86/crypto/serpent_avx2_glue.c
index 2f63dc89e..6d198342e 100644
--- a/kernel/arch/x86/crypto/serpent_avx2_glue.c
+++ b/kernel/arch/x86/crypto/serpent_avx2_glue.c
@@ -20,8 +20,7 @@
#include <crypto/lrw.h>
#include <crypto/xts.h>
#include <crypto/serpent.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>
@@ -537,16 +536,15 @@ static struct crypto_alg srp_algs[10] = { {
static int __init init(void)
{
- u64 xcr0;
+ const char *feature_name;
if (!cpu_has_avx2 || !cpu_has_osxsave) {
pr_info("AVX2 instructions are not detected.\n");
return -ENODEV;
}
-
- xcr0 = xgetbv(XCR_XFEATURE_ENABLED_MASK);
- if ((xcr0 & (XSTATE_SSE | XSTATE_YMM)) != (XSTATE_SSE | XSTATE_YMM)) {
- pr_info("AVX detected but unusable.\n");
+ if (!cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM,
+ &feature_name)) {
+ pr_info("CPU feature '%s' is not supported.\n", feature_name);
return -ENODEV;
}