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| 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 |
| 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 |
| 20 | static inline void klp_init_thread_info(struct task_struct *p) { } |
| 21 | #endif |
| 22 | |
| 23 | #endif /* _ASM_POWERPC_LIVEPATCH_H */ |
| 24 |
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