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Fix objtool: missing int3 after ret warning

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Resolve straight-line speculation warnings reported by objtool
for x86_64 assembly on Linux when CONFIG_SLS is set.  See the
following LWN article for the complete details.

https://lwn.net/Articles/877845/

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #13528
Closes #13575
This commit is contained in:
Brian Behlendorf
2022-06-20 23:36:21 +00:00
parent b9d862f2db
commit 69ad0bd769
8 changed files with 34 additions and 22 deletions
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module/icp/asm-x86_64/sha2/sha256_impl.S
+1 -1
View File
@@ -2058,7 +2058,7 @@ ENTRY_NP(SHA256TransformBlocks)
.cfi_adjust_cfa_offset -8
.cfi_restore %rbx
ret
RET
.cfi_endproc
SET_SIZE(SHA256TransformBlocks)
module/icp/asm-x86_64/sha2/sha512_impl.S
+1 -1
View File
@@ -2059,7 +2059,7 @@ ENTRY_NP(SHA512TransformBlocks)
.cfi_adjust_cfa_offset -8
.cfi_restore %rbx
ret
RET
.cfi_endproc
SET_SIZE(SHA512TransformBlocks)