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KVM: arm64: GICv3: mandate page-aligned GICV region
authorMarc Zyngier <marc.zyngier@arm.com>
Thu, 31 Jul 2014 10:42:18 +0000 (11:42 +0100)
committerChristoffer Dall <christoffer.dall@linaro.org>
Thu, 31 Jul 2014 13:59:40 +0000 (15:59 +0200)
commitfb3ec67942e92e5713e05b7691b277d0a0c0575d
tree75d6d848aaef8d45f214013cf711d619c07d08fatree | snapshot (tar.gz zip)
parentf4c321eb268e932786c112e0b902ee942d91a336commit | diff
KVM: arm64: GICv3: mandate page-aligned GICV region

Just like GICv2 was fixed in 63afbe7a0ac1
(kvm: arm64: vgic: fix hyp panic with 64k pages on juno platform),
mandate the GICV region to be both aligned on a page boundary and
its size to be a multiple of page size.

This prevents a guest from being able to poke at regions where we
have no idea what is sitting there.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
virt/kvm/arm/vgic-v3.c diff | blob | blame | history