Date: Thu, 18 May 2006 08:54:41 -0700
From: Greg KH <gregkh@suse.de>
To: Brice Goglin <brice@myri.com>, "Michael S. Tsirkin" <mst@mellanox.co.il>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: AMD 8131 MSI quirk called too late, bus_flags not inherited ?
Message-ID: <20060518155441.GB13334@suse.de>
References: <4468EE85.4000500@myri.com>
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On Mon, May 15, 2006 at 11:11:33PM +0200, Brice Goglin wrote:
> Hi Greg,
> 
> While looking at the MSI detection, I noticed that the AMD 8131 quirk
> (quirk_amd_8131_ioapic) is defined as FINAL and thus executed after the
> PCI hierarchy is scanned. So it looks like the bus_flags won't be
> inherited at all. If there's a bridge behind the 8131, then the devices
> behind this bridge won't see the bus flags and thus might try to enable
> MSI anyway.
> I tried to change the AMD 8131 quirk to HEADER so that it is executed
> during PCI scanning. But, I don't get its message in dmesg anymore. Any
> idea?

Michael is the one who added that change, perhaps he can explain how he
tested it?

thanks,

greg k-h
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