The Guest Hypervisor stage 2 mmu table was used while creating map
and subsequent tlb flush for Nested VM. This resulted in unresolvable
stage 2 fault for Nested VM since tlb was invalidated with
Guest-Hypervisor VMID.
Patch 1/2 should be applied before the NV patchset[1].
Patch 2/2 can be squashed in to Commit 1776c91346b6 ("KVM: arm64: nv:
Support multiple nested Stage-2 mmu structures")[2].
[1] https://lore.kernel.org/kvmarm/20210510165920.1913477-1-maz@xxxxxxxxxx/
[2] https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/
branch kvm-arm64/nv-5.13
Ganapatrao Kulkarni (2):
KVM: arm64: Use appropriate mmu pointer in stage2 page table init.
KVM: arm64: nv: fixup! Support multiple nested Stage-2 mmu structures
arch/arm64/include/asm/kvm_pgtable.h | 6 ++++--
arch/arm64/kvm/hyp/nvhe/mem_protect.c | 2 +-
arch/arm64/kvm/hyp/pgtable.c | 3 ++-
arch/arm64/kvm/mmu.c | 2 +-
arch/arm64/kvm/nested.c | 9 +++++++++
5 files changed, 17 insertions(+), 5 deletions(-)
--
2.27.0
