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

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Message-id: <1250092620.12316.9.camel@lap75545.ornl.gov>
Date:	Wed, 12 Aug 2009 11:57:00 -0400
From:	David Dillow <dave@...dillows.org>
To:	Greg KH <greg@...ah.com>
Cc:	Andi Kleen <andi@...stfloor.org>, Greg KH <gregkh@...e.de>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	linux-kernel@...r.kernel.org, Kay Sievers <kay.sievers@...y.org>,
	Jan Blunck <jblunck@...e.de>, Harald Hoyer <harald@...hat.com>,
	Scott James Remnant <scott@...ntu.com>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [PATCH] Driver Core: devtmpfs - kernel-maintained tmpfs-based /dev

On Wed, 2009-08-12 at 08:26 -0700, Greg KH wrote:
> On Wed, Aug 12, 2009 at 10:39:57AM -0400, David Dillow wrote:
> > Rescue disks may be an exception, but they only need a minimal
> > static /dev and then run a tool to get the initial setup. If you are
> > expecting an expert to use them, then either running the tool by hand or
> > as a post-modprobe rule should catch updates. They can also run udev (or
> > a replacement) with stripped rules if you want to make it friendlier to
> > non-expert users.
> 
> Ok, so don't use devtmpfs on your rescue disk, let the rest of us have a
> choice :)

But you have a choice, patch your local kernel. ;)

While my opinion doesn't carry as much weight as yours, Alan's, or
Arjan's, I'm "meh" on this patch. I'm not dead set against it going in,
nor have I seen a compelling reason to do something in kernel space that
can be readily done in user space.
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