+Christoffer I should have checked my send-email command twice... Vladimir On 08/09/16 17:06, Vladimir Murzin wrote: > Hi, > > This is an attempt to make use vgic-v3 under arch/arm since > save-restore functionality got re-written in C and can be shared > between arm/arm64 like it has already been done for vgic-v2 and timer. > > With this patches I'm able to get 32 core an AArch32 ARMv8 guest boot: > > ... > GICv3: CPU31: found redistributor 703 region 0:0x000000003ffd0000 > CPU31: thread -1, cpu 3, socket 7, mpidr 80000703 > Brought up 32 CPUs > SMP: Total of 32 processors activated (768.00 BogoMIPS). > CPU: All CPU(s) started in SVC mode. > ... > > Additionally, quite lightweight test based on Self IPI guest test[1] > has been run with up to 255 cpus. > > [1] http://www.spinics.net/lists/kvm/msg128974.html > > Changelog: > > v2 -> v3 > - rebased on v4.8-rc5 > - commit messages are reworked to be more precise and clear (I > hope so) > - MPIDR_HWID_BITMASK is used to discard Aff3 in > MPIDR_AFFINITY_LEVEL macro > - cast to u64 is used instead of abuse of GENMASK_ULL while > building value for typer register > - static keys are used to select GIC backend > - config option to guard ITS code is moved to separate patch > > v1 -> v2 > - rebased on v4.8-rc2 > - introduced guard for ITS code > > Thanks! > > Vladimir Murzin (8): > arm64: KVM: Use static keys for selecting the GIC backend > arm64: KVM: Move GIC accessors to arch_gicv3.h > arm64: KVM: Move vgic-v3 save/restore to virt/kvm/arm/hyp > KVM: arm64: vgic-its: Introduce config option to guard ITS specific > code > KVM: arm: vgic: Support 64-bit data manipulation on 32-bit host > systems > ARM: Change MPIDR_AFFINITY_LEVEL to ignore Aff3 > ARM: Move system register accessors to asm/cp15.h > ARM: KVM: Support vgic-v3 > > arch/arm/include/asm/arch_gicv3.h | 91 +++++++++++++++++---- > arch/arm/include/asm/cp15.h | 15 ++++ > arch/arm/include/asm/cputype.h | 3 +- > arch/arm/include/asm/kvm_asm.h | 3 + > arch/arm/include/asm/kvm_host.h | 13 +++ > arch/arm/include/asm/kvm_hyp.h | 20 +---- > arch/arm/include/asm/virt.h | 8 ++ > arch/arm/include/uapi/asm/kvm.h | 7 ++ > arch/arm/kernel/vmlinux.lds.S | 6 ++ > arch/arm/kvm/Makefile | 2 + > arch/arm/kvm/arm.c | 19 +++++ > arch/arm/kvm/coproc.c | 36 ++++++++ > arch/arm/kvm/hyp/Makefile | 1 + > arch/arm/kvm/hyp/switch.c | 12 ++- > arch/arm64/include/asm/arch_gicv3.h | 13 +++ > arch/arm64/include/asm/kvm_host.h | 15 ++++ > arch/arm64/include/asm/kvm_hyp.h | 2 - > arch/arm64/include/asm/virt.h | 7 ++ > arch/arm64/kernel/vmlinux.lds.S | 6 ++ > arch/arm64/kvm/Kconfig | 4 +- > arch/arm64/kvm/hyp/Makefile | 2 +- > arch/arm64/kvm/hyp/switch.c | 19 ++--- > include/kvm/arm_vgic.h | 8 -- > {arch/arm64/kvm => virt/kvm/arm}/hyp/vgic-v3-sr.c | 13 --- > virt/kvm/arm/vgic/vgic-kvm-device.c | 11 +-- > virt/kvm/arm/vgic/vgic-mmio-v3.c | 8 +- > virt/kvm/arm/vgic/vgic-mmio.c | 2 - > virt/kvm/arm/vgic/vgic-mmio.h | 4 +- > virt/kvm/arm/vgic/vgic.h | 54 +----------- > 29 files changed, 265 insertions(+), 139 deletions(-) > rename {arch/arm64/kvm => virt/kvm/arm}/hyp/vgic-v3-sr.c (96%) > _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
