linux-kernel - Re: [REGRESSION][BISECTED] PCI Passthrough / SR-IOV Failure on Stable Kernel ≥ v6.12.35

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Message-ID: <A862457AA700FAA4+c9af0384-8fb6-47c9-9876-8ea8be528ac3@bbaa.fun>
Date: Tue, 22 Jul 2025 10:40:38 +0800
From: bbaa <bbaa@...a.fun>
To: Baolu Lu <baolu.lu@...ux.intel.com>
Cc: iommu@...ts.linux.dev, linux-kernel@...r.kernel.org,
 stable@...r.kernel.org, bbaa@...a.moe
Subject: Re: [REGRESSION][BISECTED] PCI Passthrough / SR-IOV Failure on Stable Kernel ≥ v6.12.35

> Thanks for reporting. Can this issue be reproduced with the latest
> mainline linux kernel? Can it work if you simply revert this commit?
>
> Thanks,
> baolu
Simply reverting this commit can resolve the issue.
Since Intel GPU SR-IOV currently depends on out-of-tree modules and is not yet compatible with the mainline kernel, I will test it later.
It can be confirmed that the v6.15 stable series is not affected, which also includes a backport of this commit.

regards,
Ban Zuoxiang