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From: Will Deacon <will@kernel.org>
To: Fuad Tabba <tabba@google.com>
Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
	maz@kernel.org, oliver.upton@linux.dev, joey.gouly@arm.com,
	suzuki.poulose@arm.com, yuzenghui@huawei.com,
	catalin.marinas@arm.com, vdonnefort@google.com,
	qperret@google.com, sebastianene@google.com, keirf@google.com,
	smostafa@google.com
Subject: Re: [PATCH v1 0/4] KVM: arm64: Fixes to handling of restricted registers for protected VMs
Date: Tue, 5 Aug 2025 15:39:38 +0100	[thread overview]
Message-ID: <aJIXqmv1_0djt82y@willie-the-truck> (raw)
In-Reply-To: <20250805135617.831971-1-tabba@google.com>

Hi Fuad,

On Tue, Aug 05, 2025 at 02:56:13PM +0100, Fuad Tabba wrote:
> This patch series is mainly about fixing issues we've encountered in
> pKVM (in downstream Android code), related to the handling of protected
> VM access to restricted registers and injecting undefined exceptions
> into a protected guest.
> 
> The last patch isn't pKVM specific, but a fix to the vgic-v2 code
> encountered while fixing the issues in this series. The issue it fixes
> was indirectly introduced into the code with hVHE.
> 
> Based on Linux 6.16.

Thanks for putting this together so quickly.

I left some small comments on patches 2 and 3 but, for the sake of
transparency (I already mentioned the GIC thing to Marc), please can
you add:

Reported-by: Will Deacon <will@kernel.org>

on patches 1 and 4?

Cheers,

Will


  parent reply	other threads:[~2025-08-05 15:52 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-05 13:56 [PATCH v1 0/4] KVM: arm64: Fixes to handling of restricted registers for protected VMs Fuad Tabba
2025-08-05 13:56 ` [PATCH v1 1/4] KVM: arm64: Handle AIDR_EL1 and REVIDR_EL1 in host " Fuad Tabba
2025-08-05 13:56 ` [PATCH v1 2/4] KVM: arm64: Make vcpu_{read,write}_sys_reg available to HYP code Fuad Tabba
2025-08-05 14:38   ` Will Deacon
2025-08-05 15:51     ` Fuad Tabba
2025-08-05 13:56 ` [PATCH v1 3/4] KVM: arm64: Sync protected guest VBAR_EL1 on injecting an undef exception Fuad Tabba
2025-08-05 14:35   ` Will Deacon
2025-08-05 15:25     ` Fuad Tabba
2025-08-05 18:41   ` Marc Zyngier
2025-08-05 18:43     ` Fuad Tabba
2025-08-05 13:56 ` [PATCH v1 4/4] arm64: vgic-v2: Fix guest endianness check in hVHE mode Fuad Tabba
2025-08-05 14:39 ` Will Deacon [this message]
2025-08-05 15:20   ` [PATCH v1 0/4] KVM: arm64: Fixes to handling of restricted registers for protected VMs Fuad Tabba

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