diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h index a3b73a4f626e..185331e91f83 100644 --- a/arch/s390/include/asm/ftrace.h +++ b/arch/s390/include/asm/ftrace.h @@ -51,6 +51,7 @@ static inline unsigned long ftrace_call_adjust(unsigned long addr) { return addr; } +#define ftrace_get_symaddr(fentry_ip) ((unsigned long)(fentry_ip)) #include diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c index c0b2c97efefb..63ba6306632e 100644 --- a/arch/s390/kernel/ftrace.c +++ b/arch/s390/kernel/ftrace.c @@ -266,18 +266,13 @@ void ftrace_graph_func(unsigned long ip, unsigned long parent_ip, struct ftrace_ops *op, struct ftrace_regs *fregs) { unsigned long *parent = &arch_ftrace_regs(fregs)->regs.gprs[14]; - int bit; if (unlikely(ftrace_graph_is_dead())) return; if (unlikely(atomic_read(¤t->tracing_graph_pause))) return; - bit = ftrace_test_recursion_trylock(ip, *parent); - if (bit < 0) - return; if (!function_graph_enter_regs(*parent, ip, 0, parent, fregs)) *parent = (unsigned long)&return_to_handler; - ftrace_test_recursion_unlock(bit); } #endif /* CONFIG_FUNCTION_GRAPH_TRACER */