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From: wsa@the-dreams.de (Wolfram Sang)
To: linux-arm-kernel@lists.infradead.org
Subject: Possible regression due to "tick: broadcast: Prevent livelock from event handler"
Date: Fri, 3 Jul 2015 13:41:29 +0200	[thread overview]
Message-ID: <20150703114129.GA10368@katana> (raw)
In-Reply-To: <20150703111358.GW7557@n2100.arm.linux.org.uk>

On Fri, Jul 03, 2015 at 12:13:58PM +0100, Russell King - ARM Linux wrote:
> On Fri, Jul 03, 2015 at 01:07:31PM +0200, Wolfram Sang wrote:
> > > Please share your .config file for this case.  Thanks.
> > 
> > Here it goes...
> 
> Please try:
> 
> sed -i s/IRQSOFF_TRACER/TRACE_IRQFLAGS/ arch/arm/kernel/entry-armv.S

Yes, this fixes the lockdep issue with HRTIMERS.

For completeness, it does not fix the freeze without HRTIMERS.

Thanks Russell!

Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

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  reply	other threads:[~2015-07-03 11:41 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 [this message]
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
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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