linux-kernel - Re: [PATCH 0/2] iommu/vt-d: Fix posted vCPU vs. posted MSI bugs

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Message-ID: <f79f50a0-6a7d-4cfa-ae25-e518d82dae1a@linux.intel.com>
Date: Wed, 19 Mar 2025 09:57:12 +0800
From: Baolu Lu <baolu.lu@...ux.intel.com>
To: Sean Christopherson <seanjc@...gle.com>,
 David Woodhouse <dwmw2@...radead.org>
Cc: iommu@...ts.linux.dev, linux-kernel@...r.kernel.org,
 Thomas Gleixner <tglx@...utronix.de>,
 Jacob Pan <jacob.jun.pan@...ux.intel.com>
Subject: Re: [PATCH 0/2] iommu/vt-d: Fix posted vCPU vs. posted MSI bugs

On 3/15/25 10:51, Sean Christopherson wrote:
> Fix bugs where using posted MSIs will clobber IRTEs that are configured to
> post IRQs to a vCPU, and where undoing vCPU posting fails to put the IRTE
> backing into posted MSI mode.
> 
> Sean Christopherson (2):
>    iommu/vt-d: Put IRTE back into posted MSI mode if vCPU posting is
>      disabled
>    iommu/vt-d: Don't clobber posted vCPU IRTE when host IRQ affinity
>      changes

Queued these two patches for the iommu tree. Thank you!

Thanks,
baolu