Re: [RFC PATCH 8/8] svm: Allow AVIC with in-kernel irqchip mode
From: Suthikulpanit, Suravee
Date: Tue Jun 18 2019 - 10:39:49 EST
On 6/15/19 9:28 AM, Maxim Levitsky wrote:
> On Wed, 2019-02-06 at 11:20 +0000, Suthikulpanit, Suravee wrote:
>> 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.
> 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.
I'm still working on this and testing the series.
I'll post this soon.
> Best regards,
> Maxim Levitsky