Re: [RFC PATCH 8/8] svm: Allow AVIC with in-kernel irqchip mode

From: Maxim Levitsky
Date: Sat Jun 15 2019 - 10:33:46 EST


On Wed, 2019-02-06 at 11:20 +0000, Suthikulpanit, Suravee wrote:
> Alex,
>
> On 2/6/19 1:34 AM, Alex Williamson wrote:
> > On Mon, 4 Feb 2019 14:42:32 +0000
> > "Suthikulpanit, Suravee"<Suravee.Suthikulpanit@xxxxxxx> wrote:
> >
> > > Once the IRQ ack notifier for in-kernel PIT is no longer required
> > > and run-time AVIC activate/deactivate is supported, we can remove
> > > the kernel irqchip split mode requirement for AVIC.
> > >
> > > Hence, remove the check for irqchip split mode when enabling AVIC.
> >
> > Yay! Could we also at this point make avic enabled by default or are
> > there remaining incompatibilities? Thanks,
>
> I'm looking into that next. I would need to ensure that enabling
> AVIC would not cause issues with other features.
>
> Suravee

Hi!

Do you have any update on the state of this patch?
I kind of stumbled on it accidently, while
trying to understand why AVIC is only enabled in the split irqchip mode.

Best regards,
Maxim Levitsky