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Date: Wed, 24 Sep 2008 05:04:58 -0700
From: Arjan van de Ven <arjan@infradead.org>
To: Alan Jenkins <aj504@student.cs.york.ac.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: fastboot: usbmon WARNING
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On Wed, 24 Sep 2008 11:41:43 +0100
Alan Jenkins <aj504@student.cs.york.ac.uk> wrote:

> Arjan van de Ven wrote:
> > The fastboot.git tree has a set of patches (all posted and reviewed
> > on lkml before) that speed up the kernel boot process of the kernel.
> > 
> > There's 3 major pieces of this
> > 1) The creation of an asynchronous initcall level (6a) that runs
> > asynchronous from the regular driver init, and is for non-boot
> > critical initcalls only 2) A rework of the non-initrd boot code to
> > try mounting /, and if that fails, only THEN wait for all the
> > various driver probings to finish (and then retry) 3) A tool
> > "bootgraph.pl" that outputs a SVG graphic of where the kernel boot
> > spends its time 
> 
> Enabling fastboot makes usbmon (CONFIG_USB_MON) squawk, trying to
> create duplicate sysfs files.

this got fixed but the fix is in gregkh's USB tree ...