diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/include/asm/livepatch.h | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/arch/powerpc/include/asm/livepatch.h b/arch/powerpc/include/asm/livepatch.h index 4fe018cc207b..d044a1fd4f44 100644 --- a/arch/powerpc/include/asm/livepatch.h +++ b/arch/powerpc/include/asm/livepatch.h @@ -7,28 +7,10 @@ #ifndef _ASM_POWERPC_LIVEPATCH_H #define _ASM_POWERPC_LIVEPATCH_H -#include <linux/module.h> -#include <linux/ftrace.h> +#include <linux/sched.h> #include <linux/sched/task_stack.h> -#ifdef CONFIG_LIVEPATCH -static inline void klp_arch_set_pc(struct ftrace_regs *fregs, unsigned long ip) -{ - struct pt_regs *regs = ftrace_get_regs(fregs); - - regs_set_return_ip(regs, ip); -} - -#define klp_get_ftrace_location klp_get_ftrace_location -static inline unsigned long klp_get_ftrace_location(unsigned long faddr) -{ - /* - * Live patch works only with -mprofile-kernel on PPC. In this case, - * the ftrace location is always within the first 16 bytes. - */ - return ftrace_location_range(faddr, faddr + 16); -} - +#ifdef CONFIG_LIVEPATCH_64 static inline void klp_init_thread_info(struct task_struct *p) { /* + 1 to account for STACK_END_MAGIC */ @@ -36,6 +18,6 @@ static inline void klp_init_thread_info(struct task_struct *p) } #else static inline void klp_init_thread_info(struct task_struct *p) { } -#endif /* CONFIG_LIVEPATCH */ +#endif #endif /* _ASM_POWERPC_LIVEPATCH_H */ |