[PATCH 14/15] stack_trace: Add weak save_stack_trace_regs()

[Steven Rostedt <rostedt@goodmis.org>]

[-- Attachment #1: 0014-stack_trace-Add-weak-save_stack_trace_regs.patch --]
[-- Type: text/plain, Size: 1744 bytes --]

From: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>

Add weak symbol of save_stack_trace_regs() as same as
save_stack_trace_tsk() since that is not implemented
except x86 yet.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: yrl.pp-manager.tt@hitachi.com
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/20110608070927.17777.37895.stgit@fedora15
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 kernel/stacktrace.c |   13 ++++++++++---
 1 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
index eb212f8..6fa38bc 100644
--- a/kernel/stacktrace.c
+++ b/kernel/stacktrace.c
@@ -26,12 +26,19 @@ 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");
+}
-- 
1.7.4.4