arch/powerpc/include/asm/livepatch.h

   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 */