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From: Andi Kleen <ak@suse.de>
To: "Robert Richter" <robert.richter@amd.com>
Cc: "Andreas Herrmann" <andreas.herrmann3@amd.com>,
	patches@x86-64.org, linux-kernel@vger.kernel.org
Subject: Re: [patches] [patch 3/5] x86: Add PCI extended config space access for AMD Barcelona
Date: Mon, 3 Sep 2007 16:24:09 +0100	[thread overview]
Message-ID: <200709031624.09681.ak@suse.de> (raw)
In-Reply-To: <20070903144842.GK7916@erda.amd.com>

On Monday 03 September 2007 15:48, Robert Richter wrote:
> Andi,
>
> On 03.09.07 14:48:41, Andi Kleen wrote:
> > > As said above, I do not see CF8 access as a workaround. I expect my
> > > system to work in the same way also if MMCONFIG is not available.
> >
> > It should boot sure, but exotic stuff not working is not a major issue
>
> It is not only about booting the system without MMCONFIG, it is also
> about using the system

There are limits on how many BIOS bug workaround (and all this
patch kit is nothing more than a elaborate BIOS bug workaround) we can do.
IMHO you're far exceeding the threshold.

Better would be to invest that energy to get the BIOSes fixed.

> . For this PCI ECS CF8 access is needed.

AER and IBS are all totally optional features and the systems
will be completely usable without them.

-Andi

  reply	other threads:[~2007-09-03 15:24 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20070830174311.221133000@amd.com>
     [not found] ` <20070830174311.536394000@amd.com>
2007-09-01 10:11   ` [patch 3/5] x86: Add PCI extended config space access for AMD Barcelona Andi Kleen
2007-09-03  8:32     ` [patches] " Andreas Herrmann
2007-09-03 10:15       ` Andi Kleen
2007-09-03 11:27         ` Robert Richter
2007-09-03 12:48           ` Andi Kleen
2007-09-03 14:48             ` Robert Richter
2007-09-03 15:24               ` Andi Kleen [this message]
2007-09-04  6:54             ` Yinghai Lu
2007-09-04  7:20               ` Andi Kleen
2007-09-03 11:31         ` Andreas Herrmann
2007-09-03 12:52           ` Andi Kleen
     [not found] ` <20070830174311.344418000@amd.com>
2007-09-01 10:14   ` [patch 1/5] x86: Add AMD64 Barcelona PMU MSR definitions Andi Kleen
2007-09-03  8:17 [patch 0/5] (resent) x86: PCI extended config space access on AMD Barcelona CPUs Robert Richter
2007-09-03  8:17 ` [patch 3/5] x86: Add PCI extended config space access for AMD Barcelona Robert Richter
2007-09-03  8:31   ` Arjan van de Ven
2007-09-03  9:17     ` [patches] " Andreas Herrmann
2007-09-03 11:33       ` Arjan van de Ven
2007-09-03 15:47         ` Andreas Herrmann
2007-09-05  5:58           ` H. Peter Anvin
2007-09-05  8:44             ` Robert Richter
2007-09-05 10:12               ` H. Peter Anvin
2007-09-05 10:35                 ` Robert Richter
2007-09-05 11:05                 ` Arne Georg Gleditsch
2007-09-05 16:13                   ` Andreas Herrmann
2007-09-05 22:42                     ` Yinghai Lu
2007-09-06  8:31                       ` Arne Georg Gleditsch
2007-09-06  9:48                         ` H. Peter Anvin
2007-09-06 17:41                           ` Jesse Barnes
2007-09-06 17:50                             ` Yinghai Lu
2007-09-06 17:48                               ` Jesse Barnes
2007-09-06 17:48                           ` Yinghai Lu
2007-09-05 15:00             ` Andreas Herrmann
2007-09-06 10:14               ` Arjan van de Ven

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