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From: Marc Zyngier <maz@kernel.org>
To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org
Cc: Steffen Eiden <seiden@linux.ibm.com>,
	Joey Gouly <joey.gouly@arm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Oliver Upton <oupton@kernel.org>,
	Zenghui Yu <yuzenghui@huawei.com>,
	Fuad Tabba <fuad.tabba@linux.dev>,
	ljs@kernel.org, Shen Yongchao <grayhat@foxmail.com>,
	Karl Mehltretter <kmehltretter@gmail.com>,
	Wei-Lin Chang <weilin.chang@arm.com>
Subject: [PATCH v3 0/2] KVM: arm64: nv: Shadow S2 life-cycle fixes
Date: Fri, 21 Aug 2026 17:18:27 +0100	[thread overview]
Message-ID: <20260821161829.1032561-1-maz@kernel.org> (raw)

This is the (hopefully) last revision for this set of fixes for the
shadow S2 life cycle.

* From v2 [1]

  - Fixed the nonsensical type used for allocating the nested S2
    array, switching to kvmalloc_objs() in the process, guaranteeing
    some level of type checking

  - Dropped the extra S2 freeing after Wei-Lin pointed out that we are
    guaranteed to run the MMU notifier release callback, ensuring that
    nothing is left behind

  - Collected AB from Lorenzo, with thanks.

[1] https://lore.kernel.org/all/20260814103230.858578-1-maz@kernel.org/

Marc Zyngier (2):
  KVM: arm64: nv: Fix life cycle of the nested_mmus array
  KVM: arm64: nv: Delay freeing of shadow S2 structures until VM
    destruction

 arch/arm64/include/asm/kvm_host.h   |   2 +-
 arch/arm64/include/asm/kvm_nested.h |   3 +-
 arch/arm64/kvm/arm.c                |   8 ++-
 arch/arm64/kvm/nested.c             | 100 ++++++++++++++--------------
 4 files changed, 58 insertions(+), 55 deletions(-)

-- 
2.47.3


             reply	other threads:[~2026-08-21 16:18 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-21 16:18 Marc Zyngier [this message]
2026-08-21 16:18 ` [PATCH v3 1/2] KVM: arm64: nv: Fix life cycle of the nested_mmus array Marc Zyngier
2026-08-21 16:48   ` sashiko-bot
2026-08-21 16:18 ` [PATCH v3 2/2] KVM: arm64: nv: Delay freeing of shadow S2 structures until VM destruction Marc Zyngier
2026-08-21 16:45   ` sashiko-bot
2026-08-21 18:15   ` Lorenzo Stoakes (ARM)
2026-08-22  8:12     ` Marc Zyngier
2026-08-24 11:18       ` Lorenzo Stoakes (ARM)
2026-08-23 14:11   ` Wei-Lin Chang
2026-08-24 11:07     ` Lorenzo Stoakes (ARM)
2026-08-24 11:09       ` Lorenzo Stoakes (ARM)
2026-08-23 14:07 ` [PATCH v3 0/2] KVM: arm64: nv: Shadow S2 life-cycle fixes Wei-Lin Chang

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