Messages in this thread | | | Date | Fri, 28 Jun 2013 11:28:54 -0600 | From | David Ahern <> | Subject | Re: deadlock in scheduler enabling HRTICK feature |
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On 6/28/13 3:09 AM, Peter Zijlstra wrote:
> Yah! :-) Obviously doing a wakeup while holding scheduler locks isn't going to > work out well. And the only reason we really need that pesky softirq nonsense > is when we accidentally schedule a timer that's already expired; in that case > we'll run it from sirq context. > > We don't care about missing events like that; there's always the actual tick > for backup. > > I suppose I'd better go write a Changelog and properly submit the patch :-) >
Thanks for the quick turnaround on the patch - and the explanation.
David
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