This patch adds a new attribute to GICV3 KVM device
KVM_DEV_ARM_VGIC_GRP_CTRL group. This allows userspace to
flush all GICR pending tables into guest RAM.
Signed-off-by: NEric Auger <eric.auger@redhat.com>
Reviewed-by: NChristoffer Dall <cdall@linaro.org>
Acked-by: NMarc Zyngier <marc.zyngier@arm.com>