Message ID | 20190725153543.24386-8-maz@kernel.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | KVM: arm/arm64: vgic: ITS translation cache | expand |
Hi Marc, On 7/25/19 5:35 PM, Marc Zyngier wrote: > From: Marc Zyngier <marc.zyngier@arm.com> > > In order to avoid leaking vgic_irq structures on teardown, we need to > drop all references to LPIs before deallocating the cache itself. > > This is done by invalidating the cache on vgic teardown. > > Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Eric > --- > virt/kvm/arm/vgic/vgic-its.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c > index 05406bd92ce9..d3e90a9d0a7a 100644 > --- a/virt/kvm/arm/vgic/vgic-its.c > +++ b/virt/kvm/arm/vgic/vgic-its.c > @@ -1731,6 +1731,8 @@ void vgic_lpi_translation_cache_destroy(struct kvm *kvm) > struct vgic_dist *dist = &kvm->arch.vgic; > struct vgic_translation_cache_entry *cte, *tmp; > > + vgic_its_invalidate_cache(kvm); > + > list_for_each_entry_safe(cte, tmp, > &dist->lpi_translation_cache, entry) { > list_del(&cte->entry); >
diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c index 05406bd92ce9..d3e90a9d0a7a 100644 --- a/virt/kvm/arm/vgic/vgic-its.c +++ b/virt/kvm/arm/vgic/vgic-its.c @@ -1731,6 +1731,8 @@ void vgic_lpi_translation_cache_destroy(struct kvm *kvm) struct vgic_dist *dist = &kvm->arch.vgic; struct vgic_translation_cache_entry *cte, *tmp; + vgic_its_invalidate_cache(kvm); + list_for_each_entry_safe(cte, tmp, &dist->lpi_translation_cache, entry) { list_del(&cte->entry);