[PATCH v6 2/6] arm64: pass a task parameter to unwind_frame()

Will Deacon will.deacon at arm.com
Wed Dec 2 05:22:10 PST 2015


On Wed, Nov 25, 2015 at 01:39:36PM +0900, AKASHI Takahiro wrote:
> On 11/24/2015 10:42 PM, Jungseok Lee wrote:
> >On Nov 18, 2015, at 3:43 PM, AKASHI Takahiro wrote:
> >>The change here doesn't make any difference in this patch, but is
> >>a preparation for later fixing a problem where stacktrace functions,
> >>unwind_frame() and walk_stackframe(), may return useless call stacks
> >>under function graph tracer.
> >
> >I'm aligned with the argument. The case cannot be handled correctly
> >without ret_stack[] of struct task_struct.
> 
> Thanks. I will add some description about why we need 'tsk' in a commit
> message.

Ok, so are you planning to repost this series?

Will



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