From: Maxim Levitsky <mlevitsk@redhat.com>
To: "Suthikulpanit, Suravee" <Suravee.Suthikulpanit@amd.com>,
Alex Williamson <alex.williamson@redhat.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"x86@kernel.org" <x86@kernel.org>,
"joro@8bytes.org" <joro@8bytes.org>,
"rkrcmar@redhat.com" <rkrcmar@redhat.com>,
"pbonzini@redhat.com" <pbonzini@redhat.com>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"mingo@redhat.com" <mingo@redhat.com>,
"bp@alien8.de" <bp@alien8.de>, "hpa@zytor.com" <hpa@zytor.com>,
"jsteckli@amazon.de" <jsteckli@amazon.de>,
"sironi@amazon.de" <sironi@amazon.de>,
"wawei@amazon.de" <wawei@amazon.de>
Subject: Re: [RFC PATCH 8/8] svm: Allow AVIC with in-kernel irqchip mode
Date: Sat, 15 Jun 2019 17:28:50 +0300 [thread overview]
Message-ID: <1d80a586342dfee0479db96a4457f7023b0260a9.camel@redhat.com> (raw)
In-Reply-To: <d57a0843-061a-231a-9d50-d7e4d4d05d73@amd.com>
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@amd.com> 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
next prev parent reply other threads:[~2019-06-15 14:29 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-04 14:41 [RFC PATCH 0/8] KVM: x86: svm: Enabling AVIC with in kernel irqchip Suthikulpanit, Suravee
2019-02-04 14:41 ` [RFC PATCH 1/8] svm: Fix improper check when deactivate AVIC Suthikulpanit, Suravee
2019-02-04 14:42 ` [RFC PATCH 2/8] KVM: x86: Add interface for run-time activate/de-activate APIC virtualization Suthikulpanit, Suravee
2019-02-04 14:42 ` [RFC PATCH 3/8] KVM: x86: Add callback functions for handling APIC ID, DFR and LDR update Suthikulpanit, Suravee
2019-02-04 14:42 ` [RFC PATCH 4/8] svm: Add AMD AVIC handlers for " Suthikulpanit, Suravee
2019-02-04 14:42 ` [RFC PATCH 5/8] svm: Add support for APIC_ACCESS_PAGE_PRIVATE_MEMSLOT setup/destroy Suthikulpanit, Suravee
2019-02-04 14:42 ` [RFC PATCH 6/8] svm: Temporary deactivate AVIC during ExtINT handling Suthikulpanit, Suravee
2019-02-04 14:42 ` [RFC PATCH 7/8] KVM: i8254: Remove need for irq ack notifier Suthikulpanit, Suravee
2019-02-06 10:29 ` Paolo Bonzini
2019-02-06 12:53 ` Julian Stecklina
2019-02-04 14:42 ` [RFC PATCH 8/8] svm: Allow AVIC with in-kernel irqchip mode Suthikulpanit, Suravee
2019-02-05 18:34 ` Alex Williamson
2019-02-06 11:20 ` Suthikulpanit, Suravee
2019-06-15 14:28 ` Maxim Levitsky [this message]
2019-06-18 14:34 ` Suthikulpanit, Suravee
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