arm/arm64: KVM: vgic: Force VM halt when changing the active state of GICv3 PPIs...
authorMarc Zyngier <marc.zyngier@arm.com>
Tue, 18 Dec 2018 14:59:09 +0000 (14:59 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 9 Jan 2019 16:38:48 +0000 (17:38 +0100)
commit0fa68518047b3e4e44389dc7ce8449e676a24e15
treedcc845884b2d71a9f634b454e401b5a490a1bee7
parent7ec9ea679c96fcd3767c39d7943e45e51797fa85
arm/arm64: KVM: vgic: Force VM halt when changing the active state of GICv3 PPIs/SGIs

commit 107352a24900fb458152b92a4e72fbdc83fd5510 upstream.

We currently only halt the guest when a vCPU messes with the active
state of an SPI. This is perfectly fine for GICv2, but isn't enough
for GICv3, where all vCPUs can access the state of any other vCPU.

Let's broaden the condition to include any GICv3 interrupt that
has an active state (i.e. all but LPIs).

Cc: stable@vger.kernel.org
Reviewed-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
virt/kvm/arm/vgic/vgic-mmio.c