github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-09-11 20:13:02 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

crypto: x86/aria - add missing vzeroupper in AVX2 code

Browse Source 
Since the AVX2 optimized ARIA code uses YMM registers, execute
vzeroupper before returning from it.  This is needed to avoid degrading
the performance of any later SSE code that may happen to be executed.

Fixes: 37d8d3ae7a ("crypto: x86/aria - implement aria-avx2")
Cc: stable@vger.kernel.org
Cc: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers 2026-08-31 14:17:15 -07:00 committed by Herbert Xu
parent cee9395acd
commit ac53977611
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/x86/crypto/aria-aesni-avx2-asm_64.S
View File

@ -982,6 +982,7 @@ SYM_TYPED_FUNC_START(aria_aesni_avx2_encrypt_32way)
%ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
%ymm15, %rax);
vzeroupper;
FRAME_END
RET;
SYM_FUNC_END(aria_aesni_avx2_encrypt_32way)
@ -1007,6 +1008,7 @@ SYM_TYPED_FUNC_START(aria_aesni_avx2_decrypt_32way)
%ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
%ymm15, %rax);
vzeroupper;
FRAME_END
RET;
SYM_FUNC_END(aria_aesni_avx2_decrypt_32way)
@ -1209,6 +1211,7 @@ SYM_TYPED_FUNC_START(aria_aesni_avx2_ctr_crypt_32way)
%ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
%ymm15, %r10);
vzeroupper;
FRAME_END
RET;
SYM_FUNC_END(aria_aesni_avx2_ctr_crypt_32way)
@ -1359,6 +1362,7 @@ SYM_TYPED_FUNC_START(aria_aesni_avx2_gfni_encrypt_32way)
%ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
%ymm15, %rax);
vzeroupper;
FRAME_END
RET;
SYM_FUNC_END(aria_aesni_avx2_gfni_encrypt_32way)
@ -1384,6 +1388,7 @@ SYM_TYPED_FUNC_START(aria_aesni_avx2_gfni_decrypt_32way)
%ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
%ymm15, %rax);
vzeroupper;
FRAME_END
RET;
SYM_FUNC_END(aria_aesni_avx2_gfni_decrypt_32way)
@ -1428,6 +1433,7 @@ SYM_TYPED_FUNC_START(aria_aesni_avx2_gfni_ctr_crypt_32way)
%ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
%ymm15, %r10);
vzeroupper;
FRAME_END
RET;
SYM_FUNC_END(aria_aesni_avx2_gfni_ctr_crypt_32way)