linux-kernel - Re: [PATCH] iommu/amd: Fix interrupt remapping for aliased devices

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Message-ID: <20140512190511.GB10562@8bytes.org>
Date:	Mon, 12 May 2014 21:05:12 +0200
From:	Joerg Roedel <joro@...tes.org>
To:	Alex Williamson <alex.williamson@...hat.com>
Cc:	iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iommu/amd: Fix interrupt remapping for aliased devices

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@...hat.com>
> Cc: stable@...r.kernel.org

Applied, thanks Alex.


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