Ingo Molnar 9212ddb5ea stacktrace: provide save_stack_trace_tsk() weak alias ...

Impact: build fix

Some architectures have not implemented save_stack_trace_tsk() yet:

  fs/built-in.o: In function `proc_pid_stack':
  base.c:(.text+0x3f140): undefined reference to `save_stack_trace_tsk'

So warn about that if the facility is used.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

2008-12-25 11:44:43 +01:00

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