x86: Prepare inline-asm for straight-line-speculation
authorPeter Zijlstra <peterz@infradead.org>
Sat, 4 Dec 2021 13:43:41 +0000 (14:43 +0100)
committerBorislav Petkov <bp@suse.de>
Wed, 8 Dec 2021 18:23:12 +0000 (19:23 +0100)
commitb17c2baa305cccbd16bafa289fd743cc2db77966
treedd6c3b4e52c2f9bb1040c6f84f59244ea7ece435
parentf94909ceb1ed4bfdb2ada72f93236305e6d6951f
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
arch/x86/include/asm/linkage.h
arch/x86/include/asm/paravirt.h
arch/x86/include/asm/qspinlock_paravirt.h
arch/x86/kernel/alternative.c
arch/x86/kernel/kprobes/core.c
arch/x86/kernel/paravirt.c
arch/x86/kvm/emulate.c
arch/x86/lib/error-inject.c
samples/ftrace/ftrace-direct-modify.c
samples/ftrace/ftrace-direct-too.c
samples/ftrace/ftrace-direct.c