linux-kernel - Re: [regression] Bug 217218 - Trying to boot Linux version 6-2.2 kernel with Marvell SATA controller 88SE9235

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Message-ID: <20230416064156.GA6410@lst.de>
Date:   Sun, 16 Apr 2023 08:41:56 +0200
From:   Christoph Hellwig <hch@....de>
To:     Robin Murphy <robin.murphy@....com>
Cc:     Christoph Hellwig <hch@....de>,
        Linux regressions mailing list <regressions@...ts.linux.dev>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux PCI <linux-pci@...r.kernel.org>, iommu@...ts.linux.dev,
        baolu.lu@...ux.intel.com
Subject: Re: [regression] Bug 217218 - Trying to boot Linux version 6-2.2
 kernel with Marvell SATA controller 88SE9235

On Thu, Mar 30, 2023 at 01:18:45PM +0100, Robin Murphy wrote:
> FWIW "Marvell SATA" instantly makes me suspect the phantom function quirk. 
> What *should* happen is the IOMMU driver sees the PCI DMA aliases correctly 
> and sets up context entries for both 07.00.0 and 07.00.1, but it looks like 
> that may be what's gone awry.

Looking at the bug report it seems this is device 9235, which doesn't
need the DMA alias quirks.