On Fri, Jun 09, 2017 at 01:12:10PM -0400, Boris Ostrovsky wrote:
> On 06/09/2017 10:16 AM, Konrad Rzeszutek Wilk wrote:
> > If we have a large amount of livepatches and want to print them
> > on the console using 'xl debug-keys x' we eventually hit
> > the preemption check:
> >
> > if ( i && !(i % 64) )
> > {
> > spin_unlock(&payload_lock);
> > process_pending_softirqs();
> > if ( spin_trylock(&payload_lock) )
> > return
> >
> > <facepalm> The effect is that we have just effectively
> > taken the lock and returned without unlocking!
> >
> > CC: Ross Lagerwall <ross.lagerw...@citrix.com>
> > CC: Boris Ostrovsky <boris.ostrov...@oracle.com>
> > CC: Jan Beulich <jbeul...@suse.com>
> > CC: Andrew Cooper <andrew.coop...@citrix.com>
> > CC: Julien Grall <julien.gr...@arm.com>
Julien, could you Release-Ack it for 4.9 please?
> > Signed-off-by: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
>
>
> Reviewed-and-tested-by: Boris Ostrovsky <boris.ostrov...@oracle.com>
>
>
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