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authorJason A. Donenfeld <Jason@zx2c4.com>2017-10-20 19:00:50 +0200
committerJason A. Donenfeld <Jason@zx2c4.com>2017-10-31 17:22:49 +0100
commitd467551e7983673472d3f8b6fbddb467104d4422 (patch)
tree0c6755c1b031ec4dcd41702568efb62527dca404 /src/crypto/curve25519.c
parentblake2: include headers for macros (diff)
downloadwireguard-monolithic-historical-d467551e7983673472d3f8b6fbddb467104d4422.tar.xz
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crypto/avx: make sure we can actually use ymm registers
Diffstat (limited to '')
-rw-r--r--src/crypto/curve25519.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/crypto/curve25519.c b/src/crypto/curve25519.c
index f236cf5..a53841d 100644
--- a/src/crypto/curve25519.c
+++ b/src/crypto/curve25519.c
@@ -33,7 +33,7 @@ static const u8 null_point[CURVE25519_POINT_SIZE] = { 0 };
static bool curve25519_use_avx __read_mostly = false;
void curve25519_fpu_init(void)
{
- curve25519_use_avx = boot_cpu_has(X86_FEATURE_AVX);
+ curve25519_use_avx = boot_cpu_has(X86_FEATURE_AVX) && cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, NULL);
}
typedef u64 fe[10];