From: Alex Williamson <alex.williamson@redhat.com>
To: "Suthikulpanit, Suravee" <Suravee.Suthikulpanit@amd.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: Tue, 5 Feb 2019 11:34:04 -0700 [thread overview]
Message-ID: <20190205113404.5c5382e6@w520.home> (raw)
In-Reply-To: <20190204144128.9489-9-suravee.suthikulpanit@amd.com>
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,
Alex
> Cc: Radim Krčmář <rkrcmar@redhat.com>
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
> ---
> arch/x86/kvm/svm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
> index 580ab40ba207..24dfa6a93711 100644
> --- a/arch/x86/kvm/svm.c
> +++ b/arch/x86/kvm/svm.c
> @@ -5157,7 +5157,7 @@ static void svm_set_virtual_apic_mode(struct kvm_vcpu *vcpu)
>
> static bool svm_get_enable_apicv(struct kvm_vcpu *vcpu)
> {
> - return avic && irqchip_split(vcpu->kvm);
> + return avic;
> }
>
> static void svm_hwapic_irr_update(struct kvm_vcpu *vcpu, int max_irr)
next prev parent reply other threads:[~2019-02-05 18:34 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 [this message]
2019-02-06 11:20 ` Suthikulpanit, Suravee
2019-06-15 14:28 ` Maxim Levitsky
2019-06-18 14:34 ` Suthikulpanit, Suravee
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