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From: Greg KH <gregkh@suse.de>
To: Matthew Wilcox <matthew@wil.cx>
Cc: Alex Chiang <achiang@hp.com>, Gary Hade <garyhade@us.ibm.com>,
kaneshige.kenji@jp.fujitsu.com, warthog19@eaglescrag.net,
kristen.c.accardi@intel.com, rick.jones2@hp.com,
linux-kernel@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz,
linux-acpi@vger.kernel.org
Subject: Re: [PATCH 4/4] ACPI PCI slot detection driver
Date: Mon, 3 Mar 2008 21:49:27 -0800 [thread overview]
Message-ID: <20080304054927.GA15566@suse.de> (raw)
In-Reply-To: <20080301144307.GD24386@parisc-linux.org>
On Sat, Mar 01, 2008 at 07:43:07AM -0700, Matthew Wilcox wrote:
> On Fri, Feb 29, 2008 at 09:25:42PM -0800, Greg KH wrote:
> > What is the guarantee that the names of these slots are correct and do
> > not happen to be the same as the hotpluggable ones?
>
> That would be a bug -- and yes, bugs happen, and we have to deal with
> them.
My main concern is that BIOS vendors will not fix these bugs, as no
other OS cares/does this kind of thing today. The ammount of bad
information out there might be quite large, and I think this was
confirmed by some initial testing of IBM systems, right?
> > Why show this information on machines that can not do anything with
> > these slots at all? Will that not just confuse people?
>
> Only for people who think that /sys/bus/pci/slots/ is for hotpluggable
> slots only. There is plenty of useful information available for slots
> that aren't hotpluggable (eg bus address, speed, width, error status).
Can the userspace tools that are using the existing directories thinking
that only hotplug slots are there, handle "non-hotplug" slots showing up
in this location?
thanks,
greg k-h
next prev parent reply other threads:[~2008-03-04 5:53 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-29 0:23 [PATCH 0/4, v7] PCI, ACPI: Physical PCI slot objects Alex Chiang
2008-02-29 0:26 ` [PATCH 1/4] Remove path attribute from sgi_hotplug Alex Chiang
2008-03-03 18:48 ` Jesse Barnes
2008-03-03 18:54 ` Prarit Bhargava
2008-03-05 0:19 ` Alex Chiang
2008-02-29 0:27 ` [PATCH 2/4] Construct one fakephp slot per pci slot Alex Chiang
2008-02-29 0:28 ` [PATCH 3/4] Introduce pci_slot Alex Chiang
2008-03-01 5:24 ` Greg KH
2008-03-03 20:56 ` Alex Chiang
2008-03-04 5:58 ` Greg KH
2008-03-04 23:30 ` [PATCH 3/4, v8] " Alex Chiang
2008-02-29 0:29 ` [PATCH 4/4] ACPI PCI slot detection driver Alex Chiang
2008-03-01 5:25 ` Greg KH
2008-03-01 14:43 ` Matthew Wilcox
2008-03-04 5:49 ` Greg KH [this message]
2008-03-04 18:18 ` Jesse Barnes
2008-03-04 19:30 ` Greg KH
2008-03-04 20:02 ` Jesse Barnes
2008-03-04 20:12 ` Kristen Carlson Accardi
2008-03-04 23:09 ` Alex Chiang
2008-03-05 1:11 ` Kenji Kaneshige
2008-03-05 20:20 ` Alex Chiang
2008-03-05 20:34 ` Matthew Wilcox
2008-03-06 2:07 ` Kenji Kaneshige
2008-03-11 13:10 ` Kenji Kaneshige
2008-03-11 13:13 ` [PATCH 3/(3+1)] " Kenji Kaneshige
2008-03-11 13:17 ` Kenji Kaneshige
2008-03-11 13:19 ` [PATCH 4/(3+1)] Add quirks for " Kenji Kaneshige
2008-03-11 13:28 ` [PATCH 4/4] " Matthew Wilcox
2008-03-11 16:56 ` Jesse Barnes
2008-03-12 5:51 ` Kenji Kaneshige
2008-03-12 4:08 ` Kenji Kaneshige
2008-03-11 18:04 ` Kristen Carlson Accardi
2008-03-11 19:14 ` Alex Chiang
2008-03-12 11:33 ` Kenji Kaneshige
2008-03-13 3:24 ` Alex Chiang
2008-03-14 2:16 ` Gary Hade
2008-03-14 5:34 ` Kenji Kaneshige
2008-03-18 20:49 ` Alex Chiang
2008-03-12 10:50 ` Kenji Kaneshige
2008-03-11 23:34 ` Kristen Carlson Accardi
2008-03-12 12:59 ` Kenji Kaneshige
2008-03-04 22:58 ` Alex Chiang
2008-03-04 23:15 ` Greg KH
2008-03-04 23:46 ` Alex Chiang
2008-03-01 5:12 ` [PATCH 0/4, v7] PCI, ACPI: Physical PCI slot objects Greg KH
2008-03-03 23:35 ` Alex Chiang
2008-03-04 5:56 ` Greg KH
2008-03-25 4:13 [PATCH 0/4, v11] " Alex Chiang
2008-03-25 4:17 ` [PATCH 4/4] ACPI PCI slot detection driver Alex Chiang
2008-03-25 4:50 ` Kenji Kaneshige
2008-03-25 17:09 [PATCH 0/4, v12] PCI, ACPI: Physical PCI slot objects Alex Chiang
2008-03-25 17:14 ` [PATCH 4/4] ACPI PCI slot detection driver Alex Chiang
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