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

From: Wolfram Sang
Date: Fri Jul 03 2015 - 07:41:51 EST


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@xxxxxxxxxxxxxxxxxxxx>

Attachment: signature.asc
Description: Digital signature