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stack_trace: Add weak save_stack_trace_regs()

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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>
This commit is contained in:
Masami Hiramatsu 2011-06-08 16:09:27 +09:00 committed by Steven Rostedt
parent 395810627b
commit c624d33f61
1 changed files with 9 additions and 3 deletions
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12
kernel/stacktrace.c
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@ -26,12 +26,18 @@ void print_stack_trace(struct stack_trace *trace, int spaces)
EXPORT_SYMBOL_GPL(print_stack_trace); EXPORT_SYMBOL_GPL(print_stack_trace);
/* /*
* Architectures that do not implement save_stack_trace_tsk get this * Architectures that do not implement save_stack_trace_tsk or
* weak alias and a once-per-bootup warning (whenever this facility * save_stack_trace_regs get this weak alias and a once-per-bootup warning
* is utilized - for example by procfs): * (whenever this facility is utilized - for example by procfs):
*/ */
__weak void __weak void
save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) 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"); 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");
}