diff options
| author | Eric Biggers <ebiggers@kernel.org> | 2025-05-31 14:13:18 -0700 |
|---|---|---|
| committer | Eric Biggers <ebiggers@kernel.org> | 2025-06-30 09:31:56 -0700 |
| commit | cece5689e1d76b1e45dd281a4d94ed1bcd78511c (patch) | |
| tree | 574f59805795bcce6e358296818cbb72cccc8cb0 | |
| parent | d0b3b7b22dfa1f4b515fd3a295b3fd958f9e81af (diff) | |
x86/crc: drop checks of CONFIG_AS_VPCLMULQDQ
Now that the minimum binutils version supports VPCLMULQDQ (and the
minimum clang version does too), there is no need to check for assembler
support before compiling code that uses these instructions.
Link: https://lore.kernel.org/r/20250531211318.83677-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
| -rw-r--r-- | arch/x86/lib/crc-pclmul-template.S | 7 | ||||
| -rw-r--r-- | arch/x86/lib/crc-pclmul-template.h | 3 |
2 files changed, 1 insertions, 9 deletions
diff --git a/arch/x86/lib/crc-pclmul-template.S b/arch/x86/lib/crc-pclmul-template.S index ae0b6144c503..a02f7dc8053e 100644 --- a/arch/x86/lib/crc-pclmul-template.S +++ b/arch/x86/lib/crc-pclmul-template.S @@ -561,7 +561,6 @@ RET .endm -#ifdef CONFIG_AS_VPCLMULQDQ #define DEFINE_CRC_PCLMUL_FUNCS(prefix, bits, lsb) \ SYM_FUNC_START(prefix##_pclmul_sse); \ _crc_pclmul n=bits, lsb_crc=lsb, vl=16, avx_level=0; \ @@ -574,9 +573,3 @@ SYM_FUNC_END(prefix##_vpclmul_avx2); \ SYM_FUNC_START(prefix##_vpclmul_avx512); \ _crc_pclmul n=bits, lsb_crc=lsb, vl=64, avx_level=512; \ SYM_FUNC_END(prefix##_vpclmul_avx512); -#else -#define DEFINE_CRC_PCLMUL_FUNCS(prefix, bits, lsb) \ -SYM_FUNC_START(prefix##_pclmul_sse); \ - _crc_pclmul n=bits, lsb_crc=lsb, vl=16, avx_level=0; \ -SYM_FUNC_END(prefix##_pclmul_sse); -#endif // !CONFIG_AS_VPCLMULQDQ diff --git a/arch/x86/lib/crc-pclmul-template.h b/arch/x86/lib/crc-pclmul-template.h index c5b3bfe11d8d..51cba520a7db 100644 --- a/arch/x86/lib/crc-pclmul-template.h +++ b/arch/x86/lib/crc-pclmul-template.h @@ -27,8 +27,7 @@ DEFINE_STATIC_CALL(prefix##_pclmul, prefix##_pclmul_sse) #define INIT_CRC_PCLMUL(prefix) \ do { \ - if (IS_ENABLED(CONFIG_AS_VPCLMULQDQ) && \ - boot_cpu_has(X86_FEATURE_VPCLMULQDQ) && \ + if (boot_cpu_has(X86_FEATURE_VPCLMULQDQ) && \ boot_cpu_has(X86_FEATURE_AVX2) && \ cpu_has_xfeatures(XFEATURE_MASK_YMM, NULL)) { \ if (boot_cpu_has(X86_FEATURE_AVX512BW) && \ |