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From: sudeep.holla@arm.com (Sudeep Holla)
To: linux-arm-kernel@lists.infradead.org
Subject: Possible regression due to "tick: broadcast: Prevent livelock from event handler"
Date: Fri, 03 Jul 2015 15:45:41 +0100	[thread overview]
Message-ID: <5596A015.1030709@arm.com> (raw)
In-Reply-To: <20150703143703.GB19284@katana>



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.

Regards,
Sudeep

[1] https://lkml.org/lkml/2015/6/25/271

  reply	other threads:[~2015-07-03 14:45 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 [this message]
2015-07-03 14:54             ` Thomas Gleixner
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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