From: tglx@linutronix.de (Thomas Gleixner)
To: linux-arm-kernel@lists.infradead.org
Subject: Possible regression due to "tick: broadcast: Prevent livelock from event handler"
Date: Fri, 3 Jul 2015 16:54:49 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.11.1507031654180.3916@nanos> (raw)
In-Reply-To: <5596A015.1030709@arm.com>
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
next prev parent reply other threads:[~2015-07-03 14:54 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-03 2:40 Possible regression due to "tick: broadcast: Prevent livelock from event handler" Simon Horman
2015-07-03 6:46 ` Geert Uytterhoeven
2015-07-03 9:23 ` Thomas Gleixner
2015-07-03 10:54 ` Wolfram Sang
2015-07-03 11:02 ` Russell King - ARM Linux
2015-07-03 11:07 ` Wolfram Sang
2015-07-03 11:13 ` Russell King - ARM Linux
2015-07-03 11:41 ` Wolfram Sang
2015-07-03 13:19 ` Thomas Gleixner
2015-07-03 13:32 ` Wolfram Sang
2015-07-03 14:17 ` Thomas Gleixner
2015-07-03 14:37 ` Wolfram Sang
2015-07-03 14:45 ` Sudeep Holla
2015-07-03 14:54 ` Thomas Gleixner [this message]
2015-07-03 14:57 ` Sudeep Holla
2015-07-03 14:53 ` Thomas Gleixner
2015-07-03 15:09 ` Wolfram Sang
2015-07-03 15:23 ` Thomas Gleixner
2015-07-03 15:40 ` Wolfram Sang
2015-07-03 15:53 ` Thomas Gleixner
2015-07-03 16:00 ` Wolfram Sang
2015-07-06 4:42 ` Magnus Damm
2015-07-29 2:23 ` Simon Horman
2015-07-03 17:02 ` Geert Uytterhoeven
2015-07-06 4:45 ` Magnus Damm
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