linux-kernel - Re: [PATCH] Driver Core: devtmpfs - kernel-maintained tmpfs-based /dev

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Message-ID: <20090812220833.GB18647@kroah.com>
Date:	Wed, 12 Aug 2009 15:08:33 -0700
From:	Greg KH <greg@...ah.com>
To:	Robert Schwebel <r.schwebel@...gutronix.de>
Cc:	linux-kernel@...r.kernel.org, Kay Sievers <kay.sievers@...y.org>,
	Jan Blunck <jblunck@...e.de>, gregkh@...e.de,
	Harald Hoyer <harald@...hat.com>,
	Scott James Remnant <scott@...ntu.com>
Subject: Re: [PATCH] Driver Core: devtmpfs - kernel-maintained tmpfs-based
 /dev

On Wed, Aug 12, 2009 at 11:33:48PM +0200, Robert Schwebel wrote:
> On Wed, Aug 05, 2009 at 10:15:13AM -0700, Greg KH wrote:
> > Here's the devtmpfs patch again.
> 
> As an embedded distro maintainer, I'd really like such an approach. With
> ptxdist, we can today build the complete rootfs for an embedded system
> without root permissions - just if we want to nfs-root boot the boards
> during development, it doesn't work, because you have to create
> /dev/console, /dev/null and /dev/zero and that works only for root.
> 
> On slow embedded systems (i.e. ARM 200 MHz), note that boot times are
> often much slower than on full-blown x86. So any speed improvement is
> welcome here as well.

That's good to hear, thanks for the response, I appreciate it.

greg k-h
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