From: Tony Camuso <tcamuso@redhat.com>
To: Loic Prylli <loic@myri.com>
Cc: Matthew Wilcox <matthew@wil.cx>, Greg KH <gregkh@suse.de>,
linux-kernel@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz
Subject: Re: [Fwd: Re: [PATCH 0/5]PCI: x86 MMCONFIG]
Date: Thu, 20 Dec 2007 14:04:31 -0500 [thread overview]
Message-ID: <476ABCBF.8090006@redhat.com> (raw)
In-Reply-To: <476AB920.7040604@myri.com>
Loic Prylli wrote:
> Always using type 1 for accesses below 256 bytes looks like a very very
> attractive solution
>
> I know we had a lot of older kernels over the last two years that we
> patched like that (we needed MMCONFIG for our own device development
> purposes, but we also needed our machines to boot and discover all
> devices reliably). Recent kernels works fine out of the box on all
> hardware we have, but all this sometimes tricky and apparently endless
> work (in big part because of buggy BIOSes) about MMCONFIG would probably
> become relatively easy by limiting the aim to have MMCONFIG work when it
> is required (for cfg-space accesses >= 256).
>
>
> Loic
>
Hmmm... I think I like this solution.
It may be easier to implement than the solution I posted.
Also, this solution also would allow us to remove the unreachable_devices()
routine and bitmap.
Does anybody see a down side to this?
next prev parent reply other threads:[~2007-12-20 19:04 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-20 12:28 [Fwd: Re: [PATCH 0/5]PCI: x86 MMCONFIG] Tony Camuso
2007-12-20 17:22 ` Greg KH
2007-12-20 17:35 ` Matthew Wilcox
2007-12-20 18:04 ` Tony Camuso
2007-12-20 18:16 ` Matthew Wilcox
2007-12-20 18:30 ` Tony Camuso
2007-12-20 18:36 ` Matthew Wilcox
2007-12-20 18:49 ` Loic Prylli
2007-12-20 19:04 ` Tony Camuso [this message]
2007-12-20 19:08 ` Matthew Wilcox
2007-12-20 19:50 ` Ivan Kokshaysky
2007-12-20 20:17 ` Tony Camuso
2007-12-20 20:27 ` Tony Camuso
2008-01-08 3:41 ` Tony Camuso
2007-12-20 20:05 ` Loic Prylli
2007-12-20 20:15 ` Matthew Wilcox
2007-12-20 20:56 ` Loic Prylli
2007-12-20 21:00 ` Matthew Wilcox
2007-12-20 21:55 ` Loic Prylli
2007-12-20 19:37 ` Tony Camuso
2007-12-20 20:04 ` Matthew Wilcox
2007-12-20 20:15 ` Tony Camuso
2007-12-23 20:16 ` Loic Prylli
2007-12-23 20:55 ` Matthew Wilcox
2007-12-23 22:40 ` Loic Prylli
2007-12-24 8:09 ` Grant Grundler
2007-12-20 18:25 ` Tony Camuso
2007-12-20 21:57 ` Greg KH
2007-12-20 22:36 ` Tony Camuso
2007-12-20 22:40 ` Greg KH
2007-12-20 23:21 ` Tony Camuso
2007-12-21 2:07 ` Loic Prylli
2007-12-24 8:28 ` Grant Grundler
2008-01-08 3:20 ` [PATCH 0/5]PCI: x86 MMCONFIG Tony Camuso
2008-01-08 4:56 ` Greg KH
2008-01-08 13:14 ` Tony Camuso
2008-01-08 13:36 ` Greg KH
2008-01-08 13:44 ` Tony Camuso
-- strict thread matches above, loose matches on Subject: below --
2007-12-20 12:28 [Fwd: Re: [PATCH 0/5]PCI: x86 MMCONFIG] Tony Camuso
[not found] <fa.HvUNJ45qy60H427u0v9fNt3Gc7E@ifi.uio.no>
[not found] ` <fa.uuzqvr64HFsgxfiWwhEmE16Di6c@ifi.uio.no>
[not found] ` <fa.zhxdNN/1rfQhfJLVmdGBjvKYrCM@ifi.uio.no>
[not found] ` <fa.z1qlON6DA9ubBPFdrEcaFTMgYOY@ifi.uio.no>
[not found] ` <fa.U/SCC1Gvd3nSOpkMu5vcsSPYyPE@ifi.uio.no>
[not found] ` <fa.d8kGTkzOZH22bXRIRiakqgOPBM4@ifi.uio.no>
2007-12-21 0:44 ` Robert Hancock
2007-12-21 1:35 ` Tony Camuso
2007-12-21 1:42 ` Tony Camuso
2007-12-21 14:59 ` Bhavana Nagendra
2007-12-21 2:15 ` Robert Hancock
2007-12-21 2:44 ` Tony Camuso
2007-12-21 3:40 ` Loic Prylli
2007-12-21 4:07 ` Tony Camuso
2007-12-21 2:09 ` Tony Camuso
2007-12-21 14:11 ` Andi Kleen
[not found] ` <fa.pdOcVPk2gFn5iK76ExRH6Ow+NPw@ifi.uio.no>
2007-12-22 16:41 ` Robert Hancock
[not found] ` <fa.AlLzUeumrcT2SswgOn6MxKfDE0U@ifi.uio.no>
[not found] ` <fa.wIE0QfzMAxr82X049FecszlEnQY@ifi.uio.no>
[not found] ` <fa.2jJbe4cdXLfOVhNWVxdIjsW8GQc@ifi.uio.no>
[not found] ` <fa.JiW7yU0G/EdLOCYcPOacl/XVocc@ifi.uio.no>
[not found] ` <fa.PI93hBriZRT9ggytQ5eY/446Tno@ifi.uio.no>
2007-12-24 17:13 ` Robert Hancock
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