Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_S390_EXPOLINE_H
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#define _ASM_S390_EXPOLINE_H
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#ifndef __ASSEMBLER__
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#include <linux/types.h>
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#include <asm/facility.h>
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extern int nospec_disable;
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extern int nobp;
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static inline bool nobp_enabled(void)
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{
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if (__is_defined(__DECOMPRESSOR))
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return false;
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return nobp && test_facility(82);
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}
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void nospec_init_branches(void);
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void nospec_auto_detect(void);
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void nospec_revert(s32 *start, s32 *end);
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static inline bool nospec_uses_trampoline(void)
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{
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return __is_defined(CC_USING_EXPOLINE) && !nospec_disable;
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}
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void __s390_indirect_jump_r1(void);
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void __s390_indirect_jump_r2(void);
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void __s390_indirect_jump_r3(void);
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void __s390_indirect_jump_r4(void);
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void __s390_indirect_jump_r5(void);
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void __s390_indirect_jump_r6(void);
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void __s390_indirect_jump_r7(void);
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void __s390_indirect_jump_r8(void);
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void __s390_indirect_jump_r9(void);
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void __s390_indirect_jump_r10(void);
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void __s390_indirect_jump_r11(void);
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void __s390_indirect_jump_r12(void);
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void __s390_indirect_jump_r13(void);
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void __s390_indirect_jump_r14(void);
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void __s390_indirect_jump_r15(void);
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#endif /* __ASSEMBLER__ */
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#endif /* _ASM_S390_EXPOLINE_H */
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