a467f694a4
[ Upstream commit b17c2baa305cccbd16bafa289fd743cc2db77966 ] 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 Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
29 lines
587 B
C
29 lines
587 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _ASM_X86_LINKAGE_H
|
|
#define _ASM_X86_LINKAGE_H
|
|
|
|
#include <linux/stringify.h>
|
|
|
|
#undef notrace
|
|
#define notrace __attribute__((no_instrument_function))
|
|
|
|
#ifdef CONFIG_X86_32
|
|
#define asmlinkage CPP_ASMLINKAGE __attribute__((regparm(0)))
|
|
#endif /* CONFIG_X86_32 */
|
|
|
|
#ifdef __ASSEMBLY__
|
|
|
|
#if defined(CONFIG_X86_64) || defined(CONFIG_X86_ALIGNMENT_16)
|
|
#define __ALIGN .p2align 4, 0x90
|
|
#define __ALIGN_STR __stringify(__ALIGN)
|
|
#endif
|
|
|
|
#else /* __ASSEMBLY__ */
|
|
|
|
#define ASM_RET "ret\n\t"
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* _ASM_X86_LINKAGE_H */
|
|
|