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Date: Mon, 28 Aug 2017 20:18:22 +0200 From: Christoffer Dall <cdall@...aro.org> To: Marc Zyngier <marc.zyngier@....com> Cc: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu, kvm@...r.kernel.org, Christoffer Dall <christoffer.dall@...aro.org>, Thomas Gleixner <tglx@...utronix.de>, Jason Cooper <jason@...edaemon.net>, Eric Auger <eric.auger@...hat.com>, Shanker Donthineni <shankerd@...eaurora.org>, Mark Rutland <mark.rutland@....com>, Shameerali Kolothum Thodi <shameerali.kolothum.thodi@...wei.com> Subject: Re: [PATCH v3 45/59] KVM: arm/arm64: GICv4: Handle CLEAR applied to a VLPI On Mon, Jul 31, 2017 at 06:26:23PM +0100, Marc Zyngier wrote: > Handling CLEAR is pretty easy. Just ask the ITS driver to clear > the corresponding pending bit (which will turn into a CLEAR > command on the physical side). > > Signed-off-by: Marc Zyngier <marc.zyngier@....com> Acked-by: Christoffer Dall <cdall@...aro.org> > --- > virt/kvm/arm/vgic/vgic-its.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c > index aaad577ce328..2c065c970ba0 100644 > --- a/virt/kvm/arm/vgic/vgic-its.c > +++ b/virt/kvm/arm/vgic/vgic-its.c > @@ -1069,6 +1069,10 @@ static int vgic_its_cmd_handle_clear(struct kvm *kvm, struct vgic_its *its, > > ite->irq->pending_latch = false; > > + if (ite->irq->hw) > + return irq_set_irqchip_state(ite->irq->host_irq, > + IRQCHIP_STATE_PENDING, false); > + > return 0; > } > > -- > 2.11.0 >
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