From: Linus Torvalds <torvalds@linux-foundation.org>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Ingo Molnar <mingo@elte.hu>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
Gary Hade <garyhade@us.ibm.com>, Thomas Meyer <thomas@m3y3r.de>,
Stefan Richter <stefanr@s5r6.in-berlin.de>,
Thomas Gleixner <tglx@linutronix.de>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
LKML <linux-kernel@vger.kernel.org>,
Adrian Bunk <bunk@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Natalie Protasevich <protasnb@gmail.com>,
pm@debian.org
Subject: Re: [patch] pci: revert "PCI: remove transparent bridge sizing"
Date: Wed, 26 Mar 2008 15:47:03 -0700 (PDT) [thread overview]
Message-ID: <alpine.LFD.1.00.0803261544210.2775@woody.linux-foundation.org> (raw)
In-Reply-To: <1206570546.6926.30.camel@pasglop>
On Thu, 27 Mar 2008, Benjamin Herrenschmidt wrote:
>
> I was talking about IO not memory mostly here.
Yeah, low IO is also reserved on PC's (the low 256 IO ports are
motherboard resources and contain stuff like legacy DMA channel setup
etc).
You could imagine having it behind a PCI bridge, but in practice it's
always on the NB/SB (and if you want to support some of the odder things
like the NMI reason and the i387 error ports, they pretty much have to
be - it would be insane to make a special PCI chips on a separate bus
that does things like that).
Linus
next prev parent reply other threads:[~2008-03-26 22:49 UTC|newest]
Thread overview: 97+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-22 1:59 2.6.25-rc6-git6: Reported regressions from 2.6.24 Rafael J. Wysocki
2008-03-22 2:52 ` Jeff Garzik
2008-03-22 11:11 ` Ingo Molnar
2008-03-22 5:33 ` Andrew Morton
2008-03-22 11:15 ` Ingo Molnar
2008-03-22 17:53 ` Rafael J. Wysocki
2008-03-22 16:32 ` Heiko Carstens
2008-03-22 17:56 ` Rafael J. Wysocki
2008-03-22 16:34 ` ohci1394 problem (MMIO broken) (was 2.6.25-rc6-git6: Reported regressions from 2.6.24) Stefan Richter
2008-03-22 17:24 ` Thomas Meyer
2008-03-22 17:58 ` Rafael J. Wysocki
2008-03-22 18:27 ` Stefan Richter
2008-03-22 19:02 ` Stefan Richter
2008-03-22 21:33 ` Linus Torvalds
2008-03-22 21:58 ` Thomas Gleixner
2008-03-22 21:59 ` H. Peter Anvin
2008-03-22 22:27 ` ohci1394 problem (MMIO broken) (was 2.6.25-rc6-git6: Reported regressions from 2.6.24) [Bug 10080] Stefan Richter
2008-03-22 23:28 ` ohci1394 problem (MMIO broken) (was 2.6.25-rc6-git6: Reported regressions from 2.6.24) Yinghai Lu
2008-03-22 23:31 ` H. Peter Anvin
2008-03-23 2:00 ` Yinghai Lu
2008-03-23 2:39 ` H. Peter Anvin
2008-03-23 3:30 ` Yinghai Lu
2008-03-22 23:01 ` Linus Torvalds
2008-03-22 23:50 ` Stefan Richter
2008-03-23 6:35 ` Ingo Molnar
2008-03-24 19:34 ` Thomas Meyer
2008-03-24 19:47 ` Ingo Molnar
2008-03-24 20:17 ` Thomas Meyer
2008-03-24 20:47 ` Linus Torvalds
2008-03-26 3:39 ` Benjamin Herrenschmidt
2008-03-26 23:25 ` Benjamin Herrenschmidt
2008-03-24 19:58 ` Thomas Meyer
2008-03-24 20:50 ` Linus Torvalds
2008-03-24 21:24 ` Stefan Richter
2008-03-24 21:47 ` Stefan Richter
2008-03-25 7:31 ` Ingo Molnar
2008-03-25 16:50 ` Ingo Molnar
2008-03-25 17:06 ` Stefan Richter
2008-03-25 18:32 ` Thomas Meyer
2008-03-25 20:11 ` Ingo Molnar
2008-03-25 20:29 ` Ingo Molnar
2008-03-25 21:08 ` Thomas Meyer
2008-03-25 21:47 ` Linus Torvalds
2008-03-25 22:02 ` Thomas Meyer
2008-03-26 10:14 ` Ivan Kokshaysky
2008-03-26 12:17 ` Benjamin Herrenschmidt
2008-03-26 13:54 ` [patch] pci: revert "PCI: remove transparent bridge sizing" Ingo Molnar
2008-03-26 17:45 ` Thomas Meyer
2008-03-26 18:07 ` Gary Hade
2008-03-26 18:33 ` Linus Torvalds
2008-03-26 20:30 ` Gary Hade
2008-03-26 20:46 ` Linus Torvalds
2008-03-26 20:58 ` Ivan Kokshaysky
2008-03-26 21:41 ` Linus Torvalds
2008-03-26 21:57 ` Benjamin Herrenschmidt
2008-03-26 22:07 ` Alan Cox
2008-03-26 22:27 ` Benjamin Herrenschmidt
2008-03-26 22:10 ` Ingo Molnar
2008-03-26 22:29 ` Benjamin Herrenschmidt
2008-03-26 22:47 ` Linus Torvalds [this message]
2008-03-26 22:54 ` Benjamin Herrenschmidt
2008-03-26 23:18 ` Benjamin Herrenschmidt
2008-03-26 22:30 ` Ingo Molnar
2008-03-26 22:31 ` Linus Torvalds
2008-03-26 22:47 ` Alan Cox
2008-03-26 23:17 ` Benjamin Herrenschmidt
2008-03-26 23:29 ` Ivan Kokshaysky
2008-03-26 23:43 ` Linus Torvalds
2008-03-27 17:12 ` Linus Torvalds
2008-03-27 22:18 ` Ivan Kokshaysky
2008-03-27 22:34 ` Linus Torvalds
2008-03-28 19:24 ` Gary Hade
2008-03-28 20:46 ` Gary Hade
2008-03-30 15:44 ` Ivan Kokshaysky
2008-03-26 23:45 ` Benjamin Herrenschmidt
2008-03-26 21:29 ` Ingo Molnar
2008-03-26 11:12 ` ohci1394 problem (MMIO broken) (was 2.6.25-rc6-git6: Reported regressions from 2.6.24) Ivan Kokshaysky
2008-03-25 21:02 ` Thomas Meyer
2008-03-25 23:33 ` Benjamin Herrenschmidt
2008-03-26 0:03 ` Yinghai Lu
2008-03-26 0:12 ` Benjamin Herrenschmidt
2008-03-23 12:57 ` 2.6.25-rc6-git6: Reported regressions from 2.6.24 Alan Cox
2008-03-26 16:30 ` Ray Lee
2008-03-26 17:02 ` Adrian Bunk
2008-03-26 22:11 ` Rafael J. Wysocki
2008-03-27 10:18 ` Romano Giannetti
2008-03-27 14:43 ` Ray Lee
2008-03-31 18:21 ` Linus Torvalds
2008-03-31 19:29 ` Mark Lord
2008-03-31 21:04 ` Tino Keitel
2008-03-31 21:26 ` Tino Keitel
2008-04-03 19:06 ` 2.6.25-rc7/8: Another resume regression Mark Lord
2008-04-05 2:27 ` Mark Lord
2008-04-07 10:51 ` Rafael J. Wysocki
2008-04-07 15:51 ` Mark Lord
2008-04-07 17:40 ` Rafael J. Wysocki
2008-04-08 15:35 ` Mark Lord
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