On 12/09/16 15:49, Vladimir Murzin wrote: > Currently GIC backend is selected via alternative framework and this > is fine. We are going to introduce vgic-v3 to 32-bit world and there > we don't have patching framework in hand, so we can either check > support for GICv3 every time we need to choose which backend to use or > try to optimise it by using static keys. The later looks quite > promising because we can share logic involved in selecting GIC backend > between architectures if both uses static keys. > > This patch moves arm64 from alternative to static keys framework for > selecting GIC backend. For that we embed static key into vgic_global > and enable the key during vgic initialisation based on what has > already been exposed by the host GIC driver. > > Signed-off-by: Vladimir Murzin <vladimir.murzin@xxxxxxx> > --- > arch/arm64/kvm/hyp/switch.c | 21 +++++++++++---------- > include/kvm/arm_vgic.h | 4 ++++ > virt/kvm/arm/vgic/vgic-init.c | 4 ++++ > virt/kvm/arm/vgic/vgic.c | 2 +- > 4 files changed, 20 insertions(+), 11 deletions(-) Acked-by: Marc Zyngier <marc.zyngier@xxxxxxx> M. -- Jazz is not dead. It just smells funny... _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
