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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 ?
Date: Thu, 18 May 2006 08:54:41 -0700	[thread overview]
Message-ID: <20060518155441.GB13334@suse.de> (raw)
In-Reply-To: <4468EE85.4000500@myri.com>

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

  reply	other threads:[~2006-05-18 16:17 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-15 21:11 AMD 8131 MSI quirk called too late, bus_flags not inherited ? Brice Goglin
2006-05-18 15:54 ` Greg KH [this message]
2006-05-21 10:16   ` Michael S. Tsirkin
2006-05-21 10:58     ` Brice Goglin
2006-05-21 12:17       ` Michael S. Tsirkin
2006-05-21 12:31         ` Brice Goglin
2006-05-21 13:10           ` Michael S. Tsirkin
2006-05-21 13:24             ` Brice Goglin
2006-05-23  4:19               ` Greg KH
2006-05-23  7:05                 ` Brice Goglin
2006-05-24 16:59                 ` Michael S. Tsirkin
2006-05-24 17:05                   ` Rajesh Shah
2006-05-21 13:29           ` Michael S. Tsirkin
     [not found] <fa.WOQy7TVxeMkzxI+BbQP2Wqi34A0@ifi.uio.no>
     [not found] ` <fa.7RUPmW8q906KfAmuRItEvwbAUvg@ifi.uio.no>
2006-05-21 19:19   ` Dave Olson
     [not found] <fa.qrx8XYAhsFvMnCfipnnEkuNPFSA@ifi.uio.no>
     [not found] ` <fa.hVNDQ4A/sPeiQKqlsb6JDQFEpLE@ifi.uio.no>
2006-05-23  7:32   ` Dave Olson

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