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authorMichal Marek <mmarek@suse.cz>2014-01-02 14:02:06 +0100
committerMichal Marek <mmarek@suse.cz>2014-01-02 14:02:06 +0100
commit37e2c2a775fc887acd1432908478dfd532f7f00f (patch)
treee51ebc699d8e262fd47e0913be6a711cb1a7b565 /arch/arc/kernel/stacktrace.c
parent1c8ddae09f4c102b97c9086cc70347e89468a547 (diff)
parent6ce4eac1f600b34f2f7f58f9cd8f0503d79e42ae (diff)
Merge commit v3.13-rc1 into kbuild/misc
Diffstat (limited to 'arch/arc/kernel/stacktrace.c')
-rw-r--r--arch/arc/kernel/stacktrace.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arc/kernel/stacktrace.c b/arch/arc/kernel/stacktrace.c
index f8b7d880304d..9ce47cfe2303 100644
--- a/arch/arc/kernel/stacktrace.c
+++ b/arch/arc/kernel/stacktrace.c
@@ -237,11 +237,14 @@ unsigned int get_wchan(struct task_struct *tsk)
*/
void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
{
+ /* Assumes @tsk is sleeping so unwinds from __switch_to */
arc_unwind_core(tsk, NULL, __collect_all_but_sched, trace);
}
void save_stack_trace(struct stack_trace *trace)
{
- arc_unwind_core(current, NULL, __collect_all, trace);
+ /* Pass NULL for task so it unwinds the current call frame */
+ arc_unwind_core(NULL, NULL, __collect_all, trace);
}
+EXPORT_SYMBOL_GPL(save_stack_trace);
#endif