[PATCH] ARM: KVM: fix unbalanced get_cpu() in access_dcsw

[Christoffer Dall]

On Fri, Apr 12, 2013 at 09:17:46PM +0200, Marc Zyngier wrote:
> On Fri, 12 Apr 2013 19:13:32 +0100, Will Deacon <will.deacon at arm.com>
> wrote:
> > On Fri, Apr 12, 2013 at 06:13:48PM +0100, Marc Zyngier wrote:
> >> In the very unlikely event where a guest would be foolish enough to
> >> *read* from a write-only cache maintainance register, we end up
> >> with preemption disabled, due to a misplaced get_cpu().
> >> 
> >> Just move the "is_write" test outside of the critical section.
> >> 
> >> Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
> > 
> > I found it second time around!
> > 
> >   Reported-by: Will Deacon <will.deacon at arm.com>
> 
> Indeed you did! :-)
> 
> I'll add that to the commit, and on a couple of other as well...

I applied the patch and added the tag, thanks.

-Christoffer