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authorPeter Zijlstra <peterz@infradead.org>2021-12-04 14:43:41 +0100
committerBorislav Petkov <bp@suse.de>2021-12-08 19:23:12 +0100
commitb17c2baa305cccbd16bafa289fd743cc2db77966 (patch)
treedd6c3b4e52c2f9bb1040c6f84f59244ea7ece435 /arch/x86/kernel/alternative.c
parentf94909ceb1ed4bfdb2ada72f93236305e6d6951f (diff)
downloadlinux-b17c2baa305cccbd16bafa289fd743cc2db77966.tar.bz2
x86: Prepare inline-asm for straight-line-speculation
Replace all ret/retq instructions with ASM_RET in preparation of making it more than a single instruction. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lore.kernel.org/r/20211204134907.964635458@infradead.org
Diffstat (limited to 'arch/x86/kernel/alternative.c')
-rw-r--r--arch/x86/kernel/alternative.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 23fb4d51a5da..175cde66a1ae 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -714,7 +714,7 @@ asm (
" .type int3_magic, @function\n"
"int3_magic:\n"
" movl $1, (%" _ASM_ARG1 ")\n"
-" ret\n"
+ ASM_RET
" .size int3_magic, .-int3_magic\n"
" .popsection\n"
);