162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */
262306a36Sopenharmony_ci/*
362306a36Sopenharmony_ci * livepatch.h - powerpc-specific Kernel Live Patching Core
462306a36Sopenharmony_ci *
562306a36Sopenharmony_ci * Copyright (C) 2015-2016, SUSE, IBM Corp.
662306a36Sopenharmony_ci */
762306a36Sopenharmony_ci#ifndef _ASM_POWERPC_LIVEPATCH_H
862306a36Sopenharmony_ci#define _ASM_POWERPC_LIVEPATCH_H
962306a36Sopenharmony_ci
1062306a36Sopenharmony_ci#include <linux/sched.h>
1162306a36Sopenharmony_ci#include <linux/sched/task_stack.h>
1262306a36Sopenharmony_ci
1362306a36Sopenharmony_ci#ifdef CONFIG_LIVEPATCH_64
1462306a36Sopenharmony_cistatic inline void klp_init_thread_info(struct task_struct *p)
1562306a36Sopenharmony_ci{
1662306a36Sopenharmony_ci	/* + 1 to account for STACK_END_MAGIC */
1762306a36Sopenharmony_ci	task_thread_info(p)->livepatch_sp = end_of_stack(p) + 1;
1862306a36Sopenharmony_ci}
1962306a36Sopenharmony_ci#else
2062306a36Sopenharmony_cistatic inline void klp_init_thread_info(struct task_struct *p) { }
2162306a36Sopenharmony_ci#endif
2262306a36Sopenharmony_ci
2362306a36Sopenharmony_ci#endif /* _ASM_POWERPC_LIVEPATCH_H */
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