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-rw-r--r--kernel/stacktrace.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
index eb212f8f8bc..d20c6983aad 100644
--- a/kernel/stacktrace.c
+++ b/kernel/stacktrace.c
@@ -26,12 +26,18 @@ void print_stack_trace(struct stack_trace *trace, int spaces)
26EXPORT_SYMBOL_GPL(print_stack_trace); 26EXPORT_SYMBOL_GPL(print_stack_trace);
27 27
28/* 28/*
29 * Architectures that do not implement save_stack_trace_tsk get this 29 * Architectures that do not implement save_stack_trace_tsk or
30 * weak alias and a once-per-bootup warning (whenever this facility 30 * save_stack_trace_regs get this weak alias and a once-per-bootup warning
31 * is utilized - for example by procfs): 31 * (whenever this facility is utilized - for example by procfs):
32 */ 32 */
33__weak void 33__weak void
34save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) 34save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
35{ 35{
36 WARN_ONCE(1, KERN_INFO "save_stack_trace_tsk() not implemented yet.\n"); 36 WARN_ONCE(1, KERN_INFO "save_stack_trace_tsk() not implemented yet.\n");
37} 37}
38
39__weak void
40save_stack_trace_regs(struct pt_regs *regs, struct stack_trace *trace)
41{
42 WARN_ONCE(1, KERN_INFO "save_stack_trace_regs() not implemented yet.\n");
43}