linux-kernel - Re: [PATCH 1/8] PCI PCIe portdrv: Remove root ports MSI quirk

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Date:	Fri, 9 Jan 2009 15:18:24 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Linux PCI <linux-pci@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/8] PCI PCIe portdrv: Remove root ports MSI quirk

On Sunday, January 4, 2009 2:48 pm Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rjw@...k.pl>
>
> The PCI Express port driver contains a quirk that prevents root
> ports from using MSI, but there is no explanation for it and the
> PCI Express specification clearly allows root ports to use MSI.

Ah ignore my last message, it really does look like some chipsets are just 
buggy here, and the quirk only affects a few, so it should be pretty harmless 
for the most part (iow I don't think this patch is a good idea on those 
chipsets).

-- 
Jesse Barnes, Intel Open Source Technology Center
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