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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2011-06-08 07:09:27 (GMT)
committerSteven Rostedt <rostedt@goodmis.org>2011-06-15 02:48:52 (GMT)
commitc624d33f61cd05241e85b906311f0b712fdb0f32 (patch)
treec228ab434249c0d7bb703029efb5650a1b63cff0 /kernel/stacktrace.c
parent395810627b6a43c8d0ec948884043946fa162308 (diff)
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stack_trace: Add weak save_stack_trace_regs()
Add weak symbol of save_stack_trace_regs() as same as save_stack_trace_tsk() since that is not implemented except x86 yet. Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: yrl.pp-manager.tt@hitachi.com Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@gmail.com> Link: http://lkml.kernel.org/r/20110608070927.17777.37895.stgit@fedora15 Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/stacktrace.c')
-rw-r--r--kernel/stacktrace.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
index eb212f8f..d20c698 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");
+}