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-rw-r--r--arch/x86/kernel/stacktrace.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c
index 4aaf7e48394f..c3eb207181fe 100644
--- a/arch/x86/kernel/stacktrace.c
+++ b/arch/x86/kernel/stacktrace.c
@@ -77,6 +77,13 @@ void save_stack_trace(struct stack_trace *trace)
}
EXPORT_SYMBOL_GPL(save_stack_trace);
+void save_stack_trace_bp(struct stack_trace *trace, unsigned long bp)
+{
+ dump_trace(current, NULL, NULL, bp, &save_stack_ops, trace);
+ if (trace->nr_entries < trace->max_entries)
+ trace->entries[trace->nr_entries++] = ULONG_MAX;
+}
+
void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
{
dump_trace(tsk, NULL, NULL, 0, &save_stack_ops_nosched, trace);