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f82da161ea
Fixes: 7001052160 ("Merge tag 'x86_core_for_5.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip")
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Brown-paper-bag-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
31 lines
814 B
C
31 lines
814 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* livepatch.h - powerpc-specific Kernel Live Patching Core
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*
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* Copyright (C) 2015-2016, SUSE, IBM Corp.
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*/
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#ifndef _ASM_POWERPC_LIVEPATCH_H
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#define _ASM_POWERPC_LIVEPATCH_H
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#include <linux/module.h>
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#include <linux/ftrace.h>
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#include <linux/sched/task_stack.h>
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#ifdef CONFIG_LIVEPATCH
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static inline void klp_arch_set_pc(struct ftrace_regs *fregs, unsigned long ip)
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{
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ftrace_instruction_pointer_set(fregs, ip);
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}
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#endif /* CONFIG_LIVEPATCH */
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#ifdef CONFIG_LIVEPATCH_64
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static inline void klp_init_thread_info(struct task_struct *p)
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{
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/* + 1 to account for STACK_END_MAGIC */
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task_thread_info(p)->livepatch_sp = end_of_stack(p) + 1;
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}
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#else
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static inline void klp_init_thread_info(struct task_struct *p) { }
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#endif
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#endif /* _ASM_POWERPC_LIVEPATCH_H */
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