From mboxrd@z Thu Jan  1 00:00:00 1970
From: Barry Song <21cnbao-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: linaro-uboot: device tree without ramdisk and boot_relocate_fdt
	cause illegal memory access in kernel
Date: Sat, 28 May 2011 22:54:53 +0800
Message-ID: <BANLkTi=Nu7d2eoBOpP9JvgkfcizKatGnDQ@mail.gmail.com>
References: <BANLkTikK9EVVZrRa1--8n1j_OXv2qK8XmA@mail.gmail.com>
	<20110527093141.GE30146@S2100-06.ap.freescale.net>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>
In-Reply-To: <20110527093141.GE30146-+NayF8gZjK2ctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
List-Unsubscribe: <https://lists.ozlabs.org/options/devicetree-discuss>,
	<mailto:devicetree-discuss-request-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org?subject=unsubscribe>
List-Archive: <http://lists.ozlabs.org/pipermail/devicetree-discuss>
List-Post: <mailto:devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>
List-Help: <mailto:devicetree-discuss-request-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org?subject=help>
List-Subscribe: <https://lists.ozlabs.org/listinfo/devicetree-discuss>,
	<mailto:devicetree-discuss-request-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org?subject=subscribe>
Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org
Sender: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org
To: Shawn Guo <shawn.guo-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Cc: devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, linaro-dev <linaro-dev-cunTk1MwBs8s++Sfvej+rw@public.gmane.org>
List-Id: devicetree@vger.kernel.org
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