All of lore.kernel.org
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch@infradead.org>
To: Yifeng Li <tomli@tomli.me>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
	linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org
Subject: Re: [PATCH v2] PCI: Add func1 DMA quirk for Marvell 88SE9125 SATA controller
Date: Wed, 17 Nov 2021 02:12:04 -0800	[thread overview]
Message-ID: <YZTVdOlEbMb0tv59@infradead.org> (raw)
In-Reply-To: <YZPA+gSsGWI6+xBP@work>

On Tue, Nov 16, 2021 at 02:32:26PM +0000, Yifeng Li wrote:
> Like other SATA controller chips in the Marvell 88SE91xx series, the
> Marvell 88SE9125 has the same DMA requester ID hardware bug that prevents
> it from working under IOMMU. This patch adds its device ID 0x9125 to the
> Function 1 DMA alias quirk list.

Btw, do we need to prevent vfio assignment for all devices with this
quirk?

  parent reply	other threads:[~2021-11-17 10:12 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-16 14:32 [PATCH v2] PCI: Add func1 DMA quirk for Marvell 88SE9125 SATA controller Yifeng Li
2021-11-16 15:49 ` Krzysztof Wilczyński
2021-11-16 16:12   ` Tom Li
2021-11-16 16:39     ` Krzysztof Wilczyński
2021-11-17 10:12 ` Christoph Hellwig [this message]
2021-11-17 14:15   ` Alex Williamson

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=YZTVdOlEbMb0tv59@infradead.org \
    --to=hch@infradead.org \
    --cc=bhelgaas@google.com \
    --cc=kvm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=tomli@tomli.me \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.