From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- arch/s390/include/asm/nospec-branch.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 arch/s390/include/asm/nospec-branch.h (limited to 'arch/s390/include/asm/nospec-branch.h') diff --git a/arch/s390/include/asm/nospec-branch.h b/arch/s390/include/asm/nospec-branch.h new file mode 100644 index 0000000000..82725cf783 --- /dev/null +++ b/arch/s390/include/asm/nospec-branch.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_S390_EXPOLINE_H +#define _ASM_S390_EXPOLINE_H + +#ifndef __ASSEMBLY__ + +#include + +extern int nospec_disable; + +void nospec_init_branches(void); +void nospec_auto_detect(void); +void nospec_revert(s32 *start, s32 *end); + +static inline bool nospec_uses_trampoline(void) +{ + return __is_defined(CC_USING_EXPOLINE) && !nospec_disable; +} + +#endif /* __ASSEMBLY__ */ + +#endif /* _ASM_S390_EXPOLINE_H */ -- cgit v1.2.3