On 12/09/16 15:49, Vladimir Murzin wrote: > This patch allows to build and use vgic-v3 in 32-bit mode. > > Unfortunately, it can not be split in several steps without extra > stubs to keep patches independent and bisectable. For instance, > virt/kvm/arm/vgic/vgic-v3.c uses function from vgic-v3-sr.c, handling > access to GICv3 cpu interface from the guest requires vgic_v3.vgic_sre > to be already defined. > > It is how support has been done: > > * handle SGI requests from the guest > > * report configured SRE on access to GICv3 cpu interface from the guest > > * required vgic-v3 macros are provided via uapi.h > > * static keys are used to select GIC backend > > * to make vgic-v3 build KVM_ARM_VGIC_V3 guard is removed along with > the static inlines > > Signed-off-by: Vladimir Murzin <vladimir.murzin@xxxxxxx> > --- > arch/arm/include/asm/kvm_asm.h | 3 ++ > arch/arm/include/asm/kvm_host.h | 5 ++++ > arch/arm/include/asm/kvm_hyp.h | 3 ++ > arch/arm/include/uapi/asm/kvm.h | 7 +++++ > arch/arm/kvm/Makefile | 2 ++ > arch/arm/kvm/coproc.c | 35 +++++++++++++++++++++++ > arch/arm/kvm/hyp/Makefile | 1 + > arch/arm/kvm/hyp/switch.c | 12 ++++++-- > arch/arm64/kvm/Kconfig | 4 --- > include/kvm/arm_vgic.h | 8 ------ > virt/kvm/arm/vgic/vgic-kvm-device.c | 8 ------ > virt/kvm/arm/vgic/vgic-mmio.c | 2 -- > virt/kvm/arm/vgic/vgic-mmio.h | 2 -- > virt/kvm/arm/vgic/vgic.h | 54 ----------------------------------- > 14 files changed, 66 insertions(+), 80 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
