diff options
Diffstat (limited to 'arch/sparc/kernel/ftrace.c')
| -rw-r--r-- | arch/sparc/kernel/ftrace.c | 22 |
1 files changed, 2 insertions, 20 deletions
diff --git a/arch/sparc/kernel/ftrace.c b/arch/sparc/kernel/ftrace.c index 03ab022e51c5..eaead3da8e03 100644 --- a/arch/sparc/kernel/ftrace.c +++ b/arch/sparc/kernel/ftrace.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/spinlock.h> #include <linux/hardirq.h> #include <linux/ftrace.h> @@ -81,15 +82,6 @@ int ftrace_update_ftrace_func(ftrace_func_t func) new = ftrace_call_replace(ip, (unsigned long)func); return ftrace_modify_code(ip, old, new); } - -int __init ftrace_dyn_arch_init(void *data) -{ - unsigned long *p = data; - - *p = 0; - - return 0; -} #endif #ifdef CONFIG_FUNCTION_GRAPH_TRACER @@ -129,22 +121,12 @@ unsigned long prepare_ftrace_return(unsigned long parent, unsigned long frame_pointer) { unsigned long return_hooker = (unsigned long) &return_to_handler; - struct ftrace_graph_ent trace; if (unlikely(atomic_read(¤t->tracing_graph_pause))) return parent + 8UL; - if (ftrace_push_return_trace(parent, self_addr, &trace.depth, - frame_pointer) == -EBUSY) - return parent + 8UL; - - trace.func = self_addr; - - /* Only trace if the calling function expects to */ - if (!ftrace_graph_entry(&trace)) { - current->curr_ret_stack--; + if (function_graph_enter(parent, self_addr, frame_pointer, NULL)) return parent + 8UL; - } return return_hooker; } |