linux-kernel - Re: [PATCH] driver-core: devtmpfs - driver core maintained /dev tmpfs

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Message-ID: <20090501065754.GA30626@puku.stupidest.org>
Date:	Thu, 30 Apr 2009 23:57:54 -0700
From:	Chris Wedgwood <cw@...f.org>
To:	Kay Sievers <kay.sievers@...y.org>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Greg KH <greg@...ah.com>, Jan Blunck <jblunck@...e.de>
Subject: Re: [PATCH] driver-core: devtmpfs - driver core maintained /dev
	tmpfs

On Thu, Apr 30, 2009 at 03:23:42PM +0200, Kay Sievers wrote:

> Devtmpfs lets the kernel create a tmpfs very early at kernel
> initialization, before any driver core device is registered. Every
> device with a major/minor will have a device node created in this
> tmpfs instance. After the rootfs is mounted by the kernel, the
> populated tmpfs is mounted at /dev. In initramfs, it can be moved to
> the manually mounted root filesystem before /sbin/init is executed.

Why can't the initramfs create /dev and populate it?
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