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Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

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Pull crypto fix from Herbert Xu:
 "This fixes an objtool regression"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: x86/chacha20 - satisfy stack validation 2.0
This commit is contained in:
Linus Torvalds 2017-10-30 09:31:15 -07:00
commit 1960e8eabc
2 changed files with 4 additions and 4 deletions
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4
arch/x86/crypto/chacha20-avx2-x86_64.S
View File

@ -45,7 +45,7 @@ ENTRY(chacha20_8block_xor_avx2)
vzeroupper
# 4 * 32 byte stack, 32-byte aligned
mov %rsp, %r8
lea 8(%rsp),%r10
and $~31, %rsp
sub $0x80, %rsp
@ -443,6 +443,6 @@ ENTRY(chacha20_8block_xor_avx2)
vmovdqu %ymm15,0x01e0(%rsi)
vzeroupper
mov %r8,%rsp
lea -8(%r10),%rsp
ret
ENDPROC(chacha20_8block_xor_avx2)

4
arch/x86/crypto/chacha20-ssse3-x86_64.S
View File

@ -160,7 +160,7 @@ ENTRY(chacha20_4block_xor_ssse3)
# done with the slightly better performing SSSE3 byte shuffling,
# 7/12-bit word rotation uses traditional shift+OR.
mov %rsp,%r11
lea 8(%rsp),%r10
sub $0x80,%rsp
and $~63,%rsp
@ -625,6 +625,6 @@ ENTRY(chacha20_4block_xor_ssse3)
pxor %xmm1,%xmm15
movdqu %xmm15,0xf0(%rsi)
mov %r11,%rsp
lea -8(%r10),%rsp
ret
ENDPROC(chacha20_4block_xor_ssse3)