From: Oliver Upton <oliver.upton@linux.dev>
To: kvmarm@lists.linux.dev
Cc: Marc Zyngier <maz@kernel.org>, Joey Gouly <joey.gouly@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Zenghui Yu <yuzenghui@huawei.com>,
Sean Christopherson <seanjc@google.com>,
Oliver Upton <oliver.upton@linux.dev>
Subject: [PATCH v2 0/4] KVM: arm64: nv: Fixes for stage-2 MMU recycling
Date: Mon, 7 Oct 2024 16:42:51 +0000 [thread overview]
Message-ID: <20241007164256.1795250-1-oliver.upton@linux.dev> (raw)
v1 -> v2:
- Keep a reference on the MMU so long as the vCPU appears runnable
(i.e. not in WFI) (Sean)
- Add comment clarifying why TLBI unmaps are allowed to reschedule
[*]: https://lore.kernel.org/kvmarm/20241001001709.1303668-1-oliver.upton@linux.dev/#t
Oliver Upton (4):
KVM: arm64: nv: Keep reference on stage-2 MMU when scheduled out
KVM: arm64: nv: Do not block when unmapping stage-2 if disallowed
KVM: arm64: nv: Punt stage-2 recycling to a vCPU request
KVM: arm64: nv: Clarify safety of allowing TLBI unmaps to reschedule
arch/arm64/include/asm/kvm_host.h | 3 ++
arch/arm64/include/asm/kvm_mmu.h | 3 +-
arch/arm64/include/asm/kvm_nested.h | 4 ++-
arch/arm64/kvm/arm.c | 2 ++
arch/arm64/kvm/mmu.c | 15 +++++-----
arch/arm64/kvm/nested.c | 46 ++++++++++++++++++++++++-----
arch/arm64/kvm/sys_regs.c | 33 +++++++++++++++++++--
7 files changed, 87 insertions(+), 19 deletions(-)
base-commit: 9852d85ec9d492ebef56dc5f229416c925758edc
--
2.47.0.rc0.187.ge670bccf7e-goog
next reply other threads:[~2024-10-07 16:43 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-07 16:42 Oliver Upton [this message]
2024-10-07 16:42 ` [PATCH v2 1/4] KVM: arm64: nv: Keep reference on stage-2 MMU when scheduled out Oliver Upton
2024-10-07 18:39 ` Sean Christopherson
2024-10-07 19:01 ` Oliver Upton
2024-10-07 19:52 ` Sean Christopherson
2024-10-07 21:22 ` Oliver Upton
2024-10-07 22:18 ` Sean Christopherson
2024-10-07 16:42 ` [PATCH v2 2/4] KVM: arm64: nv: Do not block when unmapping stage-2 if disallowed Oliver Upton
2024-10-07 16:42 ` [PATCH v2 3/4] KVM: arm64: nv: Punt stage-2 recycling to a vCPU request Oliver Upton
2024-10-07 19:06 ` Marc Zyngier
2024-10-07 19:16 ` Oliver Upton
2024-10-07 16:42 ` [PATCH v2 4/4] KVM: arm64: nv: Clarify safety of allowing TLBI unmaps to reschedule Oliver Upton
2024-10-07 18:51 ` Sean Christopherson
2024-10-07 19:20 ` Oliver Upton
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