From: Marc Zyngier <maz@kernel.org>
To: Oliver Upton <oupton@kernel.org>
Cc: sashiko-reviews@lists.linux.dev, kvmarm@lists.linux.dev
Subject: Re: [PATCH 3/3] KVM: arm64: vgic: Stop the VM when disabling LPIs
Date: Wed, 23 Sep 2026 18:56:03 +0100 [thread overview]
Message-ID: <86tsnf4zt8.wl-maz@kernel.org> (raw)
In-Reply-To: <arQBUZJ_uUDQapbw@kernel.org>
On Wed, 23 Sep 2026 17:41:53 +0100,
Oliver Upton <oupton@kernel.org> wrote:
>
> No issues with this approach but it is worth noting that all other
> callers of kvm_arm_halt_guest() do so behind the config_lock today. You
> could probably do the same with the LPI disable path.
Not quite. The IRQ bypass stuff doesn't know about the lock... But
maybe we can fix it the same way. I'll investigate.
Thanks,
M.
--
Without deviation from the norm, progress is not possible.
next prev parent reply other threads:[~2026-09-23 17:56 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-22 21:42 [PATCH 0/3] KVM: arm64: vgic-v3: Make LPI disabling robust Marc Zyngier
2026-09-22 21:42 ` [PATCH 1/3] KVM: arm64: vgic: Allow last_lr_irq to be NULL when LRs are not overflowing Marc Zyngier
2026-09-22 21:42 ` [PATCH 2/3] KVM: arm64: vgic: Take a refcount on IRQs referenced by last_lr_irq Marc Zyngier
2026-09-22 21:42 ` [PATCH 3/3] KVM: arm64: vgic: Stop the VM when disabling LPIs Marc Zyngier
2026-09-22 22:01 ` sashiko-bot
2026-09-22 23:21 ` Marc Zyngier
2026-09-23 16:41 ` Oliver Upton
2026-09-23 17:56 ` Marc Zyngier [this message]
2026-09-23 18:21 ` Oliver Upton
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