From cb71dee9a64ee3e18ce4002d9ca54d97d3d5a106 Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Fri, 20 Oct 2017 19:00:50 +0200 Subject: crypto/avx: make sure we can actually use ymm registers Signed-off-by: Jason A. Donenfeld --- src/crypto/chacha20poly1305.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/crypto/chacha20poly1305.c') diff --git a/src/crypto/chacha20poly1305.c b/src/crypto/chacha20poly1305.c index 7227617..3163009 100644 --- a/src/crypto/chacha20poly1305.c +++ b/src/crypto/chacha20poly1305.c @@ -35,7 +35,7 @@ void chacha20poly1305_fpu_init(void) { chacha20poly1305_use_sse2 = boot_cpu_has(X86_FEATURE_XMM2); chacha20poly1305_use_ssse3 = boot_cpu_has(X86_FEATURE_SSSE3); - chacha20poly1305_use_avx2 = boot_cpu_has(X86_FEATURE_AVX) && boot_cpu_has(X86_FEATURE_AVX2); + chacha20poly1305_use_avx2 = boot_cpu_has(X86_FEATURE_AVX) && boot_cpu_has(X86_FEATURE_AVX2) && cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, NULL); } #elif IS_ENABLED(CONFIG_KERNEL_MODE_NEON) #include -- cgit v1.2.3