From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1DVRIu-0006qO-9L for mharc-grub-devel@gnu.org; Tue, 10 May 2005 05:45:28 -0400 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1DVRIp-0006on-5M for grub-devel@gnu.org; Tue, 10 May 2005 05:45:23 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1DVRIl-0006nR-I4 for grub-devel@gnu.org; Tue, 10 May 2005 05:45:19 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DVREV-0004sa-OZ for grub-devel@gnu.org; Tue, 10 May 2005 05:40:55 -0400 Received: from [145.74.66.11] (helo=mail-cn.han.nl) by monty-python.gnu.org with esmtp (Exim 4.34) id 1DVR64-0004DO-RZ for grub-devel@gnu.org; Tue, 10 May 2005 05:32:13 -0400 Received: from vscan-cn.han.nl (venus.han.nl [145.74.65.6]) by mail-cn.han.nl (Postfix) with ESMTP id AE01D90C0; Tue, 10 May 2005 11:24:59 +0200 (CEST) Received: from mail-cn.han.nl ([145.74.66.11]) by vscan-cn.han.nl (venus.han.nl [145.74.65.6]) (amavisd-new, port 10024) with ESMTP id 11668-07; Tue, 10 May 2005 11:24:57 +0200 (CEST) Received: from mail1.han.nl (mail1.han.nl [145.74.103.11]) by mail-cn.han.nl (Postfix) with ESMTP id C1E988FF6; Tue, 10 May 2005 11:24:57 +0200 (CEST) Received: from localhost.localdomain (mgerards.xs4all.nl [82.92.27.129]) by mail1.han.nl (Postfix) with ESMTP id 7B716C052; Tue, 10 May 2005 11:24:57 +0200 (CEST) Mail-Copies-To: metgerards@student.han.nl To: The development of GRUB 2 References: <20050510085058.DEF762FAC4@smtp.263.net> From: Marco Gerards Date: Tue, 10 May 2005 11:24:57 +0200 In-Reply-To: <20050510085058.DEF762FAC4@smtp.263.net> (coly li's message of "Tue, 10 May 2005 16:50:51 +0800") Message-ID: <87y8an4emu.fsf@student.han.nl> User-Agent: Gnus/5.1007 (Gnus v5.10.7) Emacs/21.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Virus-Scanned: by amavisd-new (2.2.0) at vscan-cn.han.nl Cc: Subject: Re: Fwd: memory probing X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: The development of GRUB 2 List-Id: The development of GRUB 2 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 May 2005 09:45:26 -0000 "coly li" writes: > write and verify means: you read the content from location X, and > change the value, then write back to location X; then re-read the > content from X, if the value is what you write, the location X is > valid; otherwise, maybe the location X is invalid. This sounds dangerous to me, what if you are writing to memory mapped I/O? I think you can get the amount of memory from the processor, no? -- Marco