On Thu, Oct 20, 2011 at 10:08:36AM -0700, Alexander Graf wrote:
>
> On 16.10.2011, at 22:26, David Gibson wrote:
>
> > In __cpu_ppc_store_decr(), we set up a regular timer used to trigger
> > decrementer interrupts. This is necessary to implement the decrementer
> > properly under TCG, but is unnecessary under KVM (true for both Book3S-PR
> > and Book3S-HV KVM variants), because the kernel handles generating and
> > delivering decrementer exceptions.
> >
> > Under kvm, in fact, the timer causes expensive and unnecessary exits from
> > kvm to qemu. This patch, therefore, disables setting the timer when kvm
> > is in use.
> >
> > Signed-off-by: Anton Blanchard <an...@au1.ibm.com>
> > Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>
>
> Thanks, applied to ppc-next.
I think you've forgotten to push out the new ppc-next again..
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
