Will be used later to print function arguments in the function graph tracer.
Signed-off-by: Sven Schnelle <[email protected]> --- arch/s390/kernel/entry.h | 4 +++- arch/s390/kernel/ftrace.c | 4 ++-- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h index 21969520f947..d0a5fbaad987 100644 --- a/arch/s390/kernel/entry.h +++ b/arch/s390/kernel/entry.h @@ -5,6 +5,7 @@ #include <linux/percpu.h> #include <linux/types.h> #include <linux/signal.h> +#include <linux/ftrace.h> #include <asm/extable.h> #include <asm/ptrace.h> #include <asm/idle.h> @@ -41,7 +42,8 @@ void do_restart(void *arg); void __init startup_init(void); void die(struct pt_regs *regs, const char *str); int setup_profiling_timer(unsigned int multiplier); -unsigned long prepare_ftrace_return(unsigned long parent, unsigned long sp, unsigned long ip); +unsigned long prepare_ftrace_return(unsigned long parent, unsigned long sp, unsigned long ip, + struct ftrace_regs *regs); struct s390_mmap_arg_struct; struct fadvise64_64_args; diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c index cf9ee90ae216..dd77b656d9b9 100644 --- a/arch/s390/kernel/ftrace.c +++ b/arch/s390/kernel/ftrace.c @@ -266,14 +266,14 @@ void ftrace_arch_code_modify_post_process(void) * in current thread info. */ unsigned long prepare_ftrace_return(unsigned long ra, unsigned long sp, - unsigned long ip) + unsigned long ip, struct ftrace_regs *regs) { if (unlikely(ftrace_graph_is_dead())) goto out; if (unlikely(atomic_read(¤t->tracing_graph_pause))) goto out; ip -= MCOUNT_INSN_SIZE; - if (!function_graph_enter(ra, ip, 0, (void *) sp, NULL)) + if (!function_graph_enter(ra, ip, 0, (void *) sp, regs)) ra = (unsigned long) return_to_handler; out: return ra; -- 2.43.0
