Date: Wed, 10 Jun 2009 11:28:11 -0400
From: Christoph Hellwig <hch@infradead.org>
To: tom.leiming@gmail.com
Cc: greg@kroah.com, linux-kernel@vger.kernel.org, kay.sievers@vrfy.org,
       akpm@linux-foundation.org
Subject: Re: [PATCH 2/2] init/do_mounts.c: replace polling for root device
	with devtmpfs_wait_for_dev
Message-ID: <20090610152811.GA21888@infradead.org>
References: <1244644097-305-1-git-send-email-tom.leiming@gmail.com>
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On Wed, Jun 10, 2009 at 10:28:17PM +0800, tom.leiming@gmail.com wrote:
> From: Ming Lei <tom.leiming@gmail.com>
> 
> This patch removes the polling for root device if rootwait parameter is
> passed to kernel and CONFIG_DEVTMPFS is enabled. This way can lead to
> a faster boot, especially booting from some asynchronous block device
> (such as usb mass storage, mmc card, ...)
> 
> The patch has been verified in beagle board(mmc card as root device).

What tree did you find with devtmpfs in it?  It was pretty clearly
rejected when it came up.

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