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From: Arjan van de Ven <arjan@infradead.org>
To: Rene Herman <rene.herman@keyaccess.nl>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu,
	Pavel Machek <pavel@ucw.cz>, "Rafael J. Wysocki" <rjw@sisk.pl>,
	Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>,
	Andy Grover <andrew.grover@intel.com>,
	Len Brown <lenb@kernel.org>
Subject: Re: [patch 1/3] fastboot: Create a "asynchronous" initlevel
Date: Sun, 20 Jul 2008 08:35:30 -0700	[thread overview]
Message-ID: <20080720083530.1bc60ead@infradead.org> (raw)
In-Reply-To: <48834996.9060804@keyaccess.nl>

On Sun, 20 Jul 2008 16:20:06 +0200
Rene Herman <rene.herman@keyaccess.nl> wrote:

> On 20-07-08 13:10, Arjan van de Ven wrote:
> 
> > On Sun, 20 Jul 2008 09:23:31 +0200
> > Rene Herman <rene.herman@keyaccess.nl> wrote:
> > 
> >> Yes, I see. Unfortunately, WITH your patches, driver_probe_done()
> >> would also no longer be safe when run from a late_initcall() it
> >> would appear.
> > 
> > true for now (but see below)
> > 
> >> I have the sneaking suspicion that this is a bit of a fundamental
> >> issue. Turning some of the driver level (6) async basicaly removes
> >> the ordering between drivers and late_initcall (level 7).
> > 
> > I was hoping to not need this ordering. 
> 
> May have found an issue with 3/3 for this same reason. 


> > Thankfully it doesn't destroy it, the reason for this is that level
> > 6 itself tends to take long enough to get benefits. It's just that
> > if we can get both 6 and 7 it's nicer. But if we end up needing to
> > sync, so be it.
> 
> I worry...

ok you convinced me... I'll post a followon patch that will have this
shortly once it finishes compiling/booting.

-- 
If you want to reach me at my work email, use arjan@linux.intel.com
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org

  reply	other threads:[~2008-07-20 15:35 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-18 22:15 [patch 0/3] fastboot patches series 1 Arjan van de Ven
2008-07-18 22:16 ` [patch 1/3] fastboot: Create a "asynchronous" initlevel Arjan van de Ven
2008-07-19  1:22   ` Daniel Walker
2008-07-19  3:44     ` Arjan van de Ven
2008-07-19  4:11       ` Daniel Walker
2008-07-19  4:58         ` Arjan van de Ven
2008-07-19  5:20         ` Arjan van de Ven
2008-07-19 15:24           ` Daniel Walker
2008-07-19 15:35             ` Arjan van de Ven
2008-07-19 16:08               ` Daniel Walker
2008-07-19 16:14                 ` Arjan van de Ven
2008-07-19  4:28       ` Daniel Walker
2008-07-19  7:53   ` Rene Herman
2008-07-19  8:10     ` Rene Herman
2008-07-19 15:44       ` Arjan van de Ven
2008-07-20  7:23         ` Rene Herman
2008-07-20 11:10           ` Arjan van de Ven
2008-07-20 14:20             ` Rene Herman
2008-07-20 15:35               ` Arjan van de Ven [this message]
2008-07-18 22:16 ` [patch 2/3] fastboot: turn the USB hostcontroller initcalls into async initcalls Arjan van de Ven
2008-07-18 22:17 ` [patch 3/3] fastboot: convert a few non-critical ACPI drivers to " Arjan van de Ven
2008-07-19  4:51 ` [patch 0/3] fastboot patches series 1 Simon Arlott
2008-07-19  5:16   ` Arjan van de Ven
2008-07-19  5:47     ` Simon Arlott
2008-07-19 10:22     ` Andi Kleen
2008-07-20  8:31 ` Ingo Molnar

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