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Diffstat (limited to 'arch/x86/crypto/serpent_avx2_glue.c')
-rw-r--r--arch/x86/crypto/serpent_avx2_glue.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/crypto/serpent_avx2_glue.c b/arch/x86/crypto/serpent_avx2_glue.c
index f226ad4..7d838dc 100644
--- a/arch/x86/crypto/serpent_avx2_glue.c
+++ b/arch/x86/crypto/serpent_avx2_glue.c
@@ -538,6 +538,10 @@ static int __init init(void)
{
const char *feature_name;
+ if (!cpu_has_avx2 || !cpu_has_osxsave) {
+ pr_info("AVX2 instructions are not detected.\n");
+ return -ENODEV;
+ }
if (!cpu_has_xfeatures(XSTATE_SSE | XSTATE_YMM, &feature_name)) {
pr_info("CPU feature '%s' is not supported.\n", feature_name);
return -ENODEV;
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