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

From: Sudeep Holla
Date: Fri Jul 03 2015 - 10:57:39 EST




On 03/07/15 15:54, Thomas Gleixner wrote:
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.


Ah OK, sorry for the noise then.

Regards,
Sudeep
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