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

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