From: Grant Grundler <grundler@parisc-linux.org>
To: Matthew Wilcox <matthew@wil.cx>
Cc: Kyle Moffett <mrmacman_g4@mac.com>,
Linus Torvalds <torvalds@osdl.org>,
"Adam J. Richter" <adam@yggdrasil.com>,
akpm@osdl.org, bunk@stusta.de, greg@kroah.com,
linux-kernel@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz,
pavel@ucw.cz, shemminger@osdl.org
Subject: Re: [patch] drivers: wait for threaded probes between initcall levels
Date: Mon, 30 Oct 2006 22:39:19 -0700 [thread overview]
Message-ID: <20061031053919.GA4726@colo.lackof.org> (raw)
In-Reply-To: <20061030191307.GE10235@parisc-linux.org>
On Mon, Oct 30, 2006 at 12:13:07PM -0700, Matthew Wilcox wrote:
> Probing PCI devices really doesn't take that long.
Yeah - usually measured in "milliseconds".
> It's the extra stuff
> the drivers do at ->probe that takes the time. And the stand-out
> offender here is SCSI (and FC), which I'm working to fix. Firewire, USB
> and SATA are somewhere intermediate.
ISTR that the SATA Port timeout is 5 seconds or something like that.
And some cards have lots of ports...so my impression is SATA would
benefit alot from parallelism as well.
I'm certainly no SATA expert...maybe someone else could speak
more definitely on the topic of worst case SATA timeout.
thanks,
grant
next prev parent reply other threads:[~2006-10-31 5:39 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-28 23:50 [patch] drivers: wait for threaded probes between initcall levels Adam J. Richter
2006-10-28 23:55 ` Linus Torvalds
2006-10-30 14:23 ` Kyle Moffett
2006-10-30 14:38 ` Arjan van de Ven
2006-10-30 15:00 ` Xavier Bestel
2006-10-30 15:05 ` Arjan van de Ven
2006-10-30 15:28 ` Xavier Bestel
2006-10-30 18:56 ` Kyle Moffett
2006-10-30 14:42 ` Matthew Wilcox
2006-10-30 18:47 ` Kyle Moffett
2006-10-30 19:13 ` Matthew Wilcox
2006-10-31 5:39 ` Grant Grundler [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-10-29 20:38 Adam J. Richter
2006-10-28 8:23 Adam J. Richter
2006-10-28 9:22 ` Russell King
2006-10-28 12:10 ` Russell King
2006-10-28 19:41 ` Linus Torvalds
2006-10-23 23:22 Linux 2.6.19-rc3 Linus Torvalds
2006-10-26 22:45 ` 2.6.19-rc3: known unfixed regressions (v2) Adrian Bunk
2006-10-27 1:02 ` [RFC: 2.6.19 patch] let PCI_MULTITHREAD_PROBE depend on BROKEN Adrian Bunk
2006-10-27 1:20 ` Matthew Wilcox
2006-10-27 1:28 ` Andrew Morton
2006-10-27 2:11 ` Stephen Hemminger
2006-10-27 17:07 ` Greg KH
2006-10-27 17:22 ` Pavel Machek
2006-10-27 18:39 ` Andrew Morton
2006-10-27 18:41 ` vmlinux.lds: consolidate initcall sections Andrew Morton
2006-10-27 18:42 ` [patch] drivers: wait for threaded probes between initcall levels Andrew Morton
2006-10-27 18:47 ` Stephen Hemminger
2006-10-27 20:15 ` Andrew Morton
2006-10-27 20:42 ` Linus Torvalds
2006-10-27 20:48 ` Linus Torvalds
2006-10-28 1:11 ` Greg KH
2006-10-28 1:50 ` Linus Torvalds
2006-10-27 22:59 ` Alan Cox
2006-10-27 23:06 ` Andrew Morton
2006-10-28 5:09 ` Grant Grundler
2006-10-28 5:19 ` Andrew Morton
2006-10-28 5:32 ` Andrew Morton
2006-10-28 6:08 ` Grant Grundler
2006-10-28 20:48 ` Stefan Richter
2006-10-28 23:34 ` Alan Cox
2006-10-29 2:01 ` Randy Dunlap
2006-10-30 9:44 ` Cornelia Huck
2006-10-30 10:48 ` Alan Cox
2006-10-30 12:29 ` Matthew Wilcox
2006-10-27 23:12 ` Olaf Hering
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