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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 eb212f8f8bc8..d20c6983aad9 100644
--- a/kernel/stacktrace.c
+++ b/kernel/stacktrace.c
@@ -26,12 +26,18 @@ void print_stack_trace(struct stack_trace *trace, int spaces)
EXPORT_SYMBOL_GPL(print_stack_trace);
/*
- * Architectures that do not implement save_stack_trace_tsk get this
- * weak alias and a once-per-bootup warning (whenever this facility
- * is utilized - for example by procfs):
+ * Architectures that do not implement save_stack_trace_tsk or
+ * save_stack_trace_regs get this weak alias and a once-per-bootup warning
+ * (whenever this facility is utilized - for example by procfs):
*/
__weak void
save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
{
WARN_ONCE(1, KERN_INFO "save_stack_trace_tsk() not implemented yet.\n");
}
+
+__weak void
+save_stack_trace_regs(struct pt_regs *regs, struct stack_trace *trace)
+{
+ WARN_ONCE(1, KERN_INFO "save_stack_trace_regs() not implemented yet.\n");
+}

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