From: Ganapatrao Kulkarni <gankulkarni@os.amperecomputing.com>
To: maz@kernel.org
Cc: catalin.marinas@arm.com, will@kernel.org, andre.przywara@arm.com,
linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org,
darren@os.amperecomputing.com,
d.scott.phillips@amperecomputing.com,
gankulkarni@os.amperecomputing.com
Subject: [PATCH 0/2] KVM: arm64: nv: Fix issue with Stage 2 MMU init for Nested case.
Date: Mon, 22 Nov 2021 01:58:01 -0800 [thread overview]
Message-ID: <20211122095803.28943-1-gankulkarni@os.amperecomputing.com> (raw)
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@kernel.org/
[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
next reply other threads:[~2021-11-22 9:58 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-22 9:58 Ganapatrao Kulkarni [this message]
2021-11-22 9:58 ` [PATCH 1/2] KVM: arm64: Use appropriate mmu pointer in stage2 page table init Ganapatrao Kulkarni
2021-11-25 13:49 ` Marc Zyngier
2021-11-26 5:45 ` Ganapatrao Kulkarni
2021-11-26 10:50 ` Marc Zyngier
2021-11-26 16:51 ` Ganapatrao Kulkarni
2021-11-22 9:58 ` [PATCH 2/2] KVM: arm64: nv: fixup! Support multiple nested Stage-2 mmu structures Ganapatrao Kulkarni
2021-11-25 14:23 ` Marc Zyngier
2021-11-26 5:59 ` Ganapatrao Kulkarni
2021-11-26 15:28 ` Marc Zyngier
2021-11-26 16:33 ` Marc Zyngier
2021-11-26 19:20 ` Marc Zyngier
2021-11-29 6:00 ` Ganapatrao Kulkarni
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