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| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2017-10-20 19:00:50 +0200 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2017-10-31 17:22:49 +0100 |
| commit | d467551e7983673472d3f8b6fbddb467104d4422 (patch) | |
| tree | 0c6755c1b031ec4dcd41702568efb62527dca404 /src/crypto/curve25519.c | |
| parent | blake2: include headers for macros (diff) | |
| download | wireguard-monolithic-historical-d467551e7983673472d3f8b6fbddb467104d4422.tar.xz wireguard-monolithic-historical-d467551e7983673472d3f8b6fbddb467104d4422.zip | |
crypto/avx: make sure we can actually use ymm registers
Diffstat (limited to 'src/crypto/curve25519.c')
| -rw-r--r-- | src/crypto/curve25519.c | 2 |
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]; |