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| author |  Masahiro Yamada <masahiroy@kernel.org>
| 2020-03-26 17:00:55 +0900 |
|---|---|---|
| committer | Masahiro Yamada <masahiroy@kernel.org>
| 2020-04-09 00:01:59 +0900 |
| commit | 42251572c4687813d8e7b1d363a23d0f9201e69f (patch) | |
| tree | b6321c02de1b4950ebb8dc4015b9cc0ca72e4b29 /arch/x86/crypto/poly1305_glue.c | |
| parent | x86: remove always-defined CONFIG_AS_SSSE3 (diff) | |
| download | linux-42251572c4687813d8e7b1d363a23d0f9201e69f.tar.gz linux-42251572c4687813d8e7b1d363a23d0f9201e69f.tar.bz2 linux-42251572c4687813d8e7b1d363a23d0f9201e69f.zip | |
x86: remove always-defined CONFIG_AS_AVX
CONFIG_AS_AVX was introduced by commit ea4d26ae24e5 ("raid5: add AVX
optimized RAID5 checksumming").
We raise the minimal supported binutils version from time to time.
The last bump was commit 1fb12b35e5ff ("kbuild: Raise the minimum
required binutils version to 2.21").
I confirmed the code in $(call as-instr,...) can be assembled by the
binutils 2.21 assembler and also by LLVM integrated assembler.
Remove CONFIG_AS_AVX, which is always defined.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/crypto/poly1305_glue.c')
| -rw-r--r-- | arch/x86/crypto/poly1305_glue.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/crypto/poly1305_glue.c b/arch/x86/crypto/poly1305_glue.c index 79bb58737d52..4a6226e1d15e 100644 --- a/arch/x86/crypto/poly1305_glue.c +++ b/arch/x86/crypto/poly1305_glue.c @@ -94,7 +94,7 @@ static void poly1305_simd_blocks(void *ctx, const u8 *inp, size_t len, BUILD_BUG_ON(PAGE_SIZE < POLY1305_BLOCK_SIZE || PAGE_SIZE % POLY1305_BLOCK_SIZE); - if (!IS_ENABLED(CONFIG_AS_AVX) || !static_branch_likely(&poly1305_use_avx) || + if (!static_branch_likely(&poly1305_use_avx) || (len < (POLY1305_BLOCK_SIZE * 18) && !state->is_base2_26) || !crypto_simd_usable()) { convert_to_base2_64(ctx); @@ -123,7 +123,7 @@ static void poly1305_simd_blocks(void *ctx, const u8 *inp, size_t len, static void poly1305_simd_emit(void *ctx, u8 mac[POLY1305_DIGEST_SIZE], const u32 nonce[4]) { - if (!IS_ENABLED(CONFIG_AS_AVX) || !static_branch_likely(&poly1305_use_avx)) + if (!static_branch_likely(&poly1305_use_avx)) poly1305_emit_x86_64(ctx, mac, nonce); else poly1305_emit_avx(ctx, mac, nonce); @@ -261,7 +261,7 @@ static struct shash_alg alg = { static int __init poly1305_simd_mod_init(void) { - if (IS_ENABLED(CONFIG_AS_AVX) && boot_cpu_has(X86_FEATURE_AVX) && + if (boot_cpu_has(X86_FEATURE_AVX) && cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, NULL)) static_branch_enable(&poly1305_use_avx); if (IS_ENABLED(CONFIG_AS_AVX2) && boot_cpu_has(X86_FEATURE_AVX) && |