From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: Alex Williamson
<alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] iommu/amd: Fix interrupt remapping for aliased devices
Date: Mon, 12 May 2014 21:05:12 +0200 [thread overview]
Message-ID: <20140512190511.GB10562@8bytes.org> (raw)
In-Reply-To: <20140422160802.11173.29725.stgit-xdHQ/5r00wBBDLzU/O5InQ@public.gmane.org>
On Tue, Apr 22, 2014 at 10:08:40AM -0600, Alex Williamson wrote:
> An apparent cut and paste error prevents the correct flags from being
> set on the alias device resulting in MSI on conventional PCI devices
> failing to work. This also produces error events from the IOMMU like:
>
> AMD-Vi: Event logged [INVALID_DEVICE_REQUEST device=00:14.4 address=0x000000fdf8000000 flags=0x0a00]
>
> Where 14.4 is a PCIe-to-PCI bridge with a device behind it trying to
> use MSI interrupts.
>
> Signed-off-by: Alex Williamson <alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> Cc: stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Applied, thanks Alex.
WARNING: multiple messages have this Message-ID (diff)
From: Joerg Roedel <joro@8bytes.org>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iommu/amd: Fix interrupt remapping for aliased devices
Date: Mon, 12 May 2014 21:05:12 +0200 [thread overview]
Message-ID: <20140512190511.GB10562@8bytes.org> (raw)
In-Reply-To: <20140422160802.11173.29725.stgit@bling.home>
On Tue, Apr 22, 2014 at 10:08:40AM -0600, Alex Williamson wrote:
> An apparent cut and paste error prevents the correct flags from being
> set on the alias device resulting in MSI on conventional PCI devices
> failing to work. This also produces error events from the IOMMU like:
>
> AMD-Vi: Event logged [INVALID_DEVICE_REQUEST device=00:14.4 address=0x000000fdf8000000 flags=0x0a00]
>
> Where 14.4 is a PCIe-to-PCI bridge with a device behind it trying to
> use MSI interrupts.
>
> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
> Cc: stable@vger.kernel.org
Applied, thanks Alex.
next prev parent reply other threads:[~2014-05-12 19:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-22 16:08 [PATCH] iommu/amd: Fix interrupt remapping for aliased devices Alex Williamson
2014-04-22 16:08 ` Alex Williamson
[not found] ` <20140422160802.11173.29725.stgit-xdHQ/5r00wBBDLzU/O5InQ@public.gmane.org>
2014-05-12 19:05 ` Joerg Roedel [this message]
2014-05-12 19:05 ` Joerg Roedel
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=20140512190511.GB10562@8bytes.org \
--to=joro-zlv9swrftaidnm+yrofe0a@public.gmane.org \
--cc=alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
--cc=iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
/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.