linux-kernel - Re: Subject:[PATCH 1:1] boot paramer "root=" gets a list of devices

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Message-ID: <1323962398.11872.3.camel@raz>
Date:	Thu, 15 Dec 2011 17:19:58 +0200
From:	Raz Ben Yehuda <rbenyehuda@...z.com>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	"wad@...omium.org" <wad@...omium.org>,
	"kay.sievers@...y.org" <kay.sievers@...y.org>,
	Rasty Slutsker <RSlutsker@...z.com>,
	Lior Brafman <LBrafman@...z.com>, <raziebe@...il.com>,
	<linux-kernel@...r.kernel.org>
Subject: Re: Subject:[PATCH 1:1] boot paramer "root=" gets a list of devices

On Thu, 2011-12-15 at 16:02 +0100, H. Peter Anvin wrote:
> On 12/15/2011 01:13 AM, Raz Ben Yehuda wrote:
> > From: Raz ben yehuda<rbenyehuda@...z.com>
> >
> > Patch is aimed to bypass the need for initramfs when it is not
> > known which disk has the root file system.
> >
> > Example: The kernel boot parameter "root=/dev/sda1,/dev/sdc1,/dev/sdb4".
> > Check if /dev/sda1 exists ,if /dev/sda1 does not exist then try
> > /dev/sdc1 an so on upto the first a device that exists ( ROOT_DEV != 0 ),
> > else use the last device as the mount device.
> >
> > patch is on top of 3.2-rc5.
> >
> > Signed-off-by: Raz Ben Yehuda<rbenyehuda@...z.com>
> >
> 
> To which point I have to ask, once again, at which point we stop putting 
> this stuff in the kernel to "bypass the need for initramfs"...
because there are times where we cannot use initramfs. is this a problem
with way i phrase or with with the whole idea ?  

> 	-hpa


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