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author | Jason A. Donenfeld <Jason@zx2c4.com> | 2017-10-20 19:00:50 +0200 |
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committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2017-10-31 17:22:49 +0100 |
commit | cb71dee9a64ee3e18ce4002d9ca54d97d3d5a106 (patch) | |
tree | 31eb0334376b928558743b1d9296a0e2a0c59170 /src/crypto/curve25519.c | |
parent | ca0ecdcc7651ca41e40996ee0e377136e4a319bf (diff) |
crypto/avx: make sure we can actually use ymm registers
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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]; |