But this is functional enough that I can run an L4 guest on my QC box. Slowly. Patches on top of -rc2. The full integration is, as always, in my kvm-arm64/nv-next branch. Marc Zyngier (14): arm64: sysreg: Add layout for VNCR_EL2 KVM: arm64: nv: Allocate VNCR page when required KVM: arm64: nv: Extract translation helper from the AT code KVM: arm64: nv: Snapshot S1 ASID tagging information during walk KVM: arm64: nv: Move TLBI range decoding to a helper KVM: arm64: nv: Don't adjust PSTATE.M when L2 is nesting KVM: arm64: nv: Add pseudo-TLB backing VNCR_EL2 KVM: arm64: nv: Add userspace and guest handling of VNCR_EL2 KVM: arm64: nv: Handle VNCR_EL2-triggered faults KVM: arm64: nv: Handle mapping of VNCR_EL2 at EL2 KVM: arm64: nv: Handle VNCR_EL2 invalidation from MMU notifiers KVM: arm64: nv: Program host's VNCR_EL2 to the fixmap address KVM: arm64: nv: Add S1 TLB invalidation primitive for VNCR_EL2 KVM: arm64: nv: Plumb TLBI S1E2 into system instruction dispatch arch/arm64/include/asm/esr.h | 2 + arch/arm64/include/asm/fixmap.h | 6 + arch/arm64/include/asm/kvm_host.h | 13 + arch/arm64/include/asm/kvm_nested.h | 100 +++++ arch/arm64/include/asm/sysreg.h | 1 - arch/arm64/kvm/arm.c | 6 + arch/arm64/kvm/at.c | 123 +++--- arch/arm64/kvm/handle_exit.c | 1 + arch/arm64/kvm/hyp/vhe/switch.c | 47 ++- arch/arm64/kvm/nested.c | 608 +++++++++++++++++++++++++++- arch/arm64/kvm/reset.c | 2 + arch/arm64/kvm/sys_regs.c | 135 +++--- arch/arm64/tools/sysreg | 6 + 13 files changed, 921 insertions(+), 129 deletions(-) -- 2.39.2
