linux-kernel - Re: [PATCH 2/2] init/do_mounts.c: replace polling for root device with devtmpfs_wait_for

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Message-ID: <20090610152811.GA21888@infradead.org>
Date:	Wed, 10 Jun 2009 11:28:11 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	tom.leiming@...il.com
Cc:	greg@...ah.com, linux-kernel@...r.kernel.org, kay.sievers@...y.org,
	akpm@...ux-foundation.org
Subject: Re: [PATCH 2/2] init/do_mounts.c: replace polling for root device
	with devtmpfs_wait_for_dev

On Wed, Jun 10, 2009 at 10:28:17PM +0800, tom.leiming@...il.com wrote:
> From: Ming Lei <tom.leiming@...il.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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