From: Matthew Wilcox <matthew@wil.cx>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Greg KH <greg@kroah.com>, Tony Camuso <tcamuso@redhat.com>,
Grant Grundler <grundler@parisc-linux.org>,
Loic Prylli <loic@myri.com>, Adrian Bunk <bunk@kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
Greg KH <gregkh@suse.de>,
linux-kernel@vger.kernel.org, Jeff Garzik <jeff@garzik.org>,
linux-pci@atrey.karlin.mff.cuni.cz, Martin Mares <mj@ucw.cz>
Subject: Re: [Patch v2] Make PCI extended config space (MMCONFIG) a driver opt-in
Date: Mon, 28 Jan 2008 20:18:04 -0700 [thread overview]
Message-ID: <20080129031804.GF20198@parisc-linux.org> (raw)
In-Reply-To: <20080128190505.5f5b1ccc@laptopd505.fenrus.org>
On Mon, Jan 28, 2008 at 07:05:05PM -0800, Arjan van de Ven wrote:
> I think there's only one fundamental disagreement; and that is:
> do we think that things are now totally fixed and no new major issues
> will arrive after the "fix yet another mmconfig thing" patches are merged.
>
> If the answer is no, then imho my patch is the right approach; it will limit the damage and doesn't make
> the people suffer who don't need extended config space.
> If the answer is yet, then my patch is not needed.
>
> This is a judgment call; I'm skeptical, others are more optimistic that after 2 years of messing around
> they have finally found the last golden fix.
I'm more optimistic because we've so severely restricted the use of
mmconf after these patches that it's unlikely to cause problems. I also
hear Vista is now using mmconf, so fewer implementations are going to
be buggy at this point.
--
Intel are signing my paycheques ... these opinions are still mine
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours. We can't possibly take such
a retrograde step."
next prev parent reply other threads:[~2008-01-29 3:18 UTC|newest]
Thread overview: 156+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-25 11:26 [Patch v2] Make PCI extended config space (MMCONFIG) a driver opt-in Arjan van de Ven
2007-12-27 11:52 ` Jeff Garzik
2007-12-27 14:09 ` Arjan van de Ven
2007-12-27 17:52 ` Linus Torvalds
2008-01-11 19:02 ` Greg KH
2008-01-11 19:09 ` Arjan van de Ven
2008-01-11 19:14 ` Greg KH
2008-01-11 19:28 ` Matthew Wilcox
2008-01-11 19:40 ` Arjan van de Ven
2008-01-11 19:45 ` Greg KH
2008-01-11 19:49 ` Matthew Wilcox
2008-01-11 19:58 ` Linus Torvalds
2008-01-11 20:17 ` Matthew Wilcox
2008-01-11 20:27 ` Linus Torvalds
2008-01-11 20:42 ` Matthew Wilcox
2008-01-11 21:12 ` Linus Torvalds
2008-01-11 21:17 ` Matthew Wilcox
2008-01-11 21:28 ` Linus Torvalds
2008-01-11 21:38 ` Matthew Wilcox
2008-01-11 23:58 ` Ivan Kokshaysky
2008-01-12 0:17 ` Jesse Barnes
2008-01-12 0:26 ` Greg KH
2008-01-12 14:40 ` Ivan Kokshaysky
2008-01-12 15:46 ` Arjan van de Ven
2008-01-12 16:23 ` Ivan Kokshaysky
2008-01-12 17:45 ` Arjan van de Ven
2008-01-12 18:17 ` Matthew Wilcox
2008-01-12 21:49 ` Ivan Kokshaysky
2008-01-12 23:01 ` Arjan van de Ven
2008-01-13 0:12 ` Tony Camuso
2008-01-13 0:40 ` Arjan van de Ven
2008-01-13 1:36 ` Tony Camuso
2008-01-13 4:42 ` Arjan van de Ven
2008-01-13 4:47 ` Matthew Wilcox
2008-01-13 6:43 ` Jeff Garzik
2008-01-13 12:43 ` Tony Camuso
2008-01-13 17:03 ` Arjan van de Ven
2008-01-13 21:28 ` Tony Camuso
2008-01-14 0:54 ` Alan Cox
2008-01-14 1:33 ` Arjan van de Ven
2008-01-14 3:29 ` Tony Camuso
2008-01-14 5:05 ` Arjan van de Ven
2008-01-14 13:01 ` Tony Camuso
2008-01-14 14:46 ` Arjan van de Ven
2008-01-14 15:23 ` Tony Camuso
2008-01-14 16:01 ` Arjan van de Ven
2008-01-14 16:08 ` Tony Camuso
2008-01-14 9:11 ` Alan Cox
2008-01-14 5:20 ` Linus Torvalds
2008-01-13 18:23 ` Loic Prylli
2008-01-13 18:41 ` Arjan van de Ven
2008-01-13 20:43 ` Matthew Wilcox
2008-01-13 21:18 ` Loic Prylli
2008-01-13 20:51 ` Loic Prylli
2008-01-13 7:08 ` Benjamin Herrenschmidt
2008-01-13 7:24 ` Matthew Wilcox
2008-01-13 7:58 ` Matthew Wilcox
2008-01-13 17:01 ` Arjan van de Ven
2008-01-14 22:52 ` Matthew Wilcox
2008-01-14 23:04 ` Adrian Bunk
2008-01-15 16:00 ` Loic Prylli
2008-01-15 17:46 ` Greg KH
2008-01-15 17:56 ` Matthew Wilcox
2008-01-15 19:27 ` Tony Camuso
2008-01-15 19:38 ` Linus Torvalds
2008-01-15 19:40 ` Matthew Wilcox
2008-01-15 22:12 ` Loic Prylli
2008-01-19 16:58 ` Grant Grundler
2008-01-28 18:32 ` Tony Camuso
2008-01-28 20:44 ` Greg KH
2008-01-28 22:31 ` Matthew Wilcox
2008-01-28 22:53 ` Greg KH
2008-01-29 2:56 ` Matthew Wilcox
2008-01-29 2:57 ` PCI x86: always use conf1 to access config space below 256 bytes Matthew Wilcox
2008-01-29 13:21 ` Greg KH
2008-01-29 23:43 ` Matthew Wilcox
2008-01-30 0:04 ` Linus Torvalds
2008-01-29 3:03 ` [PATCH] Change pci_raw_ops to pci_raw_read/write Matthew Wilcox
2008-02-03 7:30 ` Yinghai Lu
2008-02-07 15:54 ` Tony Camuso
2008-02-07 16:28 ` Arjan van de Ven
2008-02-07 16:36 ` Tony Camuso
2008-02-08 2:28 ` Grant Grundler
2008-02-09 12:41 ` Matthew Wilcox
2008-02-10 6:25 ` Yinghai Lu
2008-02-10 7:21 ` Greg KH
2008-02-10 14:51 ` Matthew Wilcox
2008-02-10 19:13 ` Grant Grundler
2008-02-10 19:37 ` Matthew Wilcox
2008-02-10 20:16 ` Yinghai Lu
2008-02-10 20:19 ` Matthew Wilcox
2008-02-10 20:25 ` Yinghai Lu
2008-02-10 20:32 ` Matthew Wilcox
2008-02-10 20:47 ` Yinghai Lu
2008-02-10 20:24 ` Linus Torvalds
2008-02-10 20:45 ` Matthew Wilcox
2008-02-10 23:02 ` raw_pci_read in quirk_intel_irqbalance Matthew Wilcox
2008-02-11 5:04 ` Matthew Wilcox
2008-02-11 7:49 ` Grant Grundler
2008-02-11 16:15 ` Matthew Wilcox
2008-02-11 17:18 ` Linus Torvalds
2008-02-11 19:38 ` Grant Grundler
2008-02-11 1:49 ` [PATCH] Change pci_raw_ops to pci_raw_read/write Yinghai Lu
2008-02-11 2:53 ` Robert Hancock
2008-02-11 5:59 ` Yinghai Lu
2008-02-11 22:10 ` Andrew Morton
2008-02-11 22:38 ` Ingo Molnar
2008-01-29 3:05 ` [Patch v2] Make PCI extended config space (MMCONFIG) a driver opt-in Arjan van de Ven
2008-01-29 3:18 ` Matthew Wilcox [this message]
2008-01-29 13:19 ` Greg KH
2008-01-29 14:15 ` Tony Camuso
2008-01-29 14:47 ` Arjan van de Ven
2008-01-29 15:15 ` Tony Camuso
2008-01-29 15:29 ` Arjan van de Ven
2008-01-29 16:26 ` Tony Camuso
2008-01-29 23:57 ` Matthew Wilcox
2008-01-30 2:30 ` Tony Camuso
2008-01-30 3:45 ` Matthew Wilcox
2008-01-30 15:15 ` Ivan Kokshaysky
2008-01-30 15:42 ` Arjan van de Ven
2008-01-30 20:14 ` Ivan Kokshaysky
2008-01-31 5:51 ` Jesse Barnes
2008-01-11 19:54 ` Arjan van de Ven
2008-01-11 20:55 ` Greg KH
2008-01-15 12:58 ` Øyvind Vågen Jægtnes
[not found] <fa.m7tRTz/ymu3iMyLTO2aF1Tvaw24@ifi.uio.no>
[not found] ` <fa.XrRLIuL4juNAXXaMPF3iY8FyWW8@ifi.uio.no>
[not found] ` <fa.gv3MUHxQvd7EaG/0hhC9IzBvIlA@ifi.uio.no>
2007-12-27 17:59 ` Robert Hancock
2007-12-27 19:47 ` Arjan van de Ven
[not found] ` <fa.H0fcNl3b6xVBwzWUgT72M4K6KOU@ifi.uio.no>
2007-12-27 18:15 ` Robert Hancock
2007-12-27 18:30 ` Kai Ruhnau
2007-12-27 18:58 ` Linus Torvalds
2007-12-27 21:10 ` Loic Prylli
2007-12-27 21:21 ` Matthew Wilcox
2007-12-27 21:37 ` Linus Torvalds
2007-12-27 21:46 ` Linus Torvalds
2007-12-27 22:18 ` Kai Ruhnau
2007-12-28 4:27 ` Daniel Barkalow
2007-12-28 5:32 ` Linus Torvalds
2007-12-28 6:07 ` Daniel Barkalow
2007-12-28 10:34 ` Ivan Kokshaysky
2007-12-28 16:14 ` Arjan van de Ven
2007-12-28 16:38 ` Ivan Kokshaysky
2007-12-28 17:40 ` Loic Prylli
2007-12-28 21:12 ` Ivan Kokshaysky
2008-01-13 6:01 ` Matthew Wilcox
2008-01-13 7:19 ` Loic Prylli
2007-12-28 5:31 ` Benjamin Herrenschmidt
2007-12-27 21:59 ` Kai Ruhnau
2007-12-28 5:27 ` Benjamin Herrenschmidt
2007-12-28 5:29 ` Benjamin Herrenschmidt
2007-12-28 5:37 ` Linus Torvalds
2007-12-28 6:06 ` Benjamin Herrenschmidt
2007-12-28 19:14 ` Loic Prylli
2007-12-28 20:42 ` Benjamin Herrenschmidt
2007-12-28 0:18 ` Robert Hancock
[not found] <fa.2KorSXroIUtdRjFJWJwy49QuIYk@ifi.uio.no>
[not found] ` <fa.KgDY4hzBogAL+o607R+LHzW+HTc@ifi.uio.no>
[not found] ` <fa.xzH/eH5b6vCHpOD31Cq2nyq6z/k@ifi.uio.no>
[not found] ` <fa.EPUIDYIoxtDNcRrL9p3fAkr80Lo@ifi.uio.no>
[not found] ` <fa.uPoC9dcdekzy7g8QYFyuwelukiQ@ifi.uio.no>
[not found] ` <fa.O9WUKjAu+MfGg712w8Y4HkQ7GIo@ifi.uio.no>
2008-01-13 1:56 ` Robert Hancock
[not found] ` <fa.y9bLGEm23C6rL/wz7kMpKYF67oM@ifi.uio.no>
[not found] ` <fa.S+otiE5kNySVMlhUagdf/n9GRIc@ifi.uio.no>
[not found] ` <fa.OH5C/OjPYJXn8kSOHV/09piVz0E@ifi.uio.no>
[not found] ` <fa.jj0GkdAagaR3CLapBSdT1psD3Ps@ifi.uio.no>
[not found] ` <fa.EgRiN/duILxBcenHk7dQyC+rldw@ifi.uio.no>
2008-01-14 23:59 ` Robert Hancock
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