Re: Possible regression due to "tick: broadcast: Prevent livelock from event handler"

From: Thomas Gleixner
Date: Fri Jul 03 2015 - 10:55:05 EST


On Fri, 3 Jul 2015, Sudeep Holla wrote:
> On 03/07/15 15:37, Wolfram Sang wrote:
> >
> > > So this is a single core machine and uses the em_sti timer w/o the
> > > broadcast nonsense. In Simons case it looks like em_sti is used as
> > > broadcast device.
> >
> > We use the same board. Just my kernel has SMP=n.
> >
>
> If it's UP build, then GENERIC_CLOCKEVENTS_BROADCAST is disabled. You
> may be hitting the issue I reported[1] and is still under discussion.

Nope. The UP version uses a non affected timer.

Thanks,

tglx
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