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>,
Ben Horgan <ben.horgan@arm.com>,
Oliver Upton <oliver.upton@linux.dev>
Subject: [PATCH v2 0/6] KVM: arm64: vgic-v3: Fix yet another lock ordering turd
Date: Fri, 5 Sep 2025 03:05:25 -0700 [thread overview]
Message-ID: <20250905100531.282980-1-oliver.upton@linux.dev> (raw)
v1: https://lore.kernel.org/kvmarm/20250904062348.223976-1-oliver.upton@linux.dev/
v1 -> v2:
- Drop union misbehavior + misleading comment (Marc)
- Fix LPI check to include the first one (Ben)
- Clarify changelog to make lock relaxation slightly more obvious
Oliver Upton (6):
KVM: arm64: vgic: Drop stale comment on IRQ active state
KVM: arm64: vgic-v3: Use bare refcount for VGIC LPIs
KVM: arm64: Spin off release helper from vgic_put_irq()
KVM: arm64: vgic-v3: Erase LPIs from xarray outside of raw spinlocks
KVM: arm64: vgic-v3: Don't require IRQs be disabled for LPI xarray
lock
KVM: arm64: vgic-v3: Indicate vgic_put_irq() may take LPI xarray lock
arch/arm64/kvm/vgic/vgic-debug.c | 2 +-
arch/arm64/kvm/vgic/vgic-init.c | 6 +--
arch/arm64/kvm/vgic/vgic-its.c | 15 +++---
arch/arm64/kvm/vgic/vgic-v4.c | 2 +-
arch/arm64/kvm/vgic/vgic.c | 78 +++++++++++++++++++++++---------
arch/arm64/kvm/vgic/vgic.h | 8 ++--
include/kvm/arm_vgic.h | 9 ++--
7 files changed, 79 insertions(+), 41 deletions(-)
base-commit: b320789d6883cc00ac78ce83bccbfe7ed58afcf0
--
2.39.5
next reply other threads:[~2025-09-05 14:21 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-05 10:05 Oliver Upton [this message]
2025-09-05 10:05 ` [PATCH v2 1/6] KVM: arm64: vgic: Drop stale comment on IRQ active state Oliver Upton
2025-09-05 10:05 ` [PATCH v2 2/6] KVM: arm64: vgic-v3: Use bare refcount for VGIC LPIs Oliver Upton
2025-09-05 10:05 ` [PATCH v2 3/6] KVM: arm64: Spin off release helper from vgic_put_irq() Oliver Upton
2025-09-05 10:05 ` [PATCH v2 4/6] KVM: arm64: vgic-v3: Erase LPIs from xarray outside of raw spinlocks Oliver Upton
2025-09-05 10:05 ` [PATCH v2 5/6] KVM: arm64: vgic-v3: Don't require IRQs be disabled for LPI xarray lock Oliver Upton
2025-09-05 10:05 ` [PATCH v2 6/6] KVM: arm64: vgic-v3: Indicate vgic_put_irq() may take " Oliver Upton
2025-11-05 9:37 ` Zenghui Yu
2025-11-05 10:28 ` Marc Zyngier
2025-11-06 0:46 ` Oliver Upton
2025-11-06 0:58 ` Oliver Upton
2025-11-06 3:34 ` Zenghui Yu
2025-09-06 6:11 ` [PATCH v2 0/6] KVM: arm64: vgic-v3: Fix yet another lock ordering turd Oliver Upton
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