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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/blake2s.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 '')
| -rw-r--r-- | src/crypto/blake2s.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/crypto/blake2s.c b/src/crypto/blake2s.c index 1fe4600..ab37a0c 100644 --- a/src/crypto/blake2s.c +++ b/src/crypto/blake2s.c @@ -115,7 +115,7 @@ void blake2s_init_key(struct blake2s_state *state, const size_t outlen, const vo static bool blake2s_use_avx __read_mostly = false; void __init blake2s_fpu_init(void) { - blake2s_use_avx = boot_cpu_has(X86_FEATURE_AVX); + blake2s_use_avx = boot_cpu_has(X86_FEATURE_AVX) && cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, NULL); } asmlinkage void blake2s_compress_avx(struct blake2s_state *state, const u8 * block, size_t nblocks, u32 inc); #else |