1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * livepatch.h - powerpc-specific Kernel Live Patching Core
4  *
5  * Copyright (C) 2015-2016, SUSE, IBM Corp.
6  */
7 #ifndef _ASM_POWERPC_LIVEPATCH_H
8 #define _ASM_POWERPC_LIVEPATCH_H
9 
10 #include <linux/sched.h>
11 #include <linux/sched/task_stack.h>
12 
13 #ifdef CONFIG_LIVEPATCH_64
klp_init_thread_info(struct task_struct * p)14 static inline void klp_init_thread_info(struct task_struct *p)
15 {
16 	/* + 1 to account for STACK_END_MAGIC */
17 	task_thread_info(p)->livepatch_sp = end_of_stack(p) + 1;
18 }
19 #else
klp_init_thread_info(struct task_struct * p)20 static inline void klp_init_thread_info(struct task_struct *p) { }
21 #endif
22 
23 #endif /* _ASM_POWERPC_LIVEPATCH_H */
24