From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:39329) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S8R7C-0007Yi-Fd for qemu-devel@nongnu.org; Fri, 16 Mar 2012 02:58:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S8R74-0007D7-Fd for qemu-devel@nongnu.org; Fri, 16 Mar 2012 02:58:18 -0400 Received: from [222.73.24.84] (port=58564 helo=song.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S8R74-0007Cv-4B for qemu-devel@nongnu.org; Fri, 16 Mar 2012 02:58:10 -0400 Message-ID: <4F62E4EF.7090907@cn.fujitsu.com> Date: Fri, 16 Mar 2012 14:59:59 +0800 From: Wen Congyang MIME-Version: 1.0 References: <4F5FFC63.3060300@cn.fujitsu.com> <4F5FFD74.1060102@cn.fujitsu.com> <20120316.153838.488343690.d.hatayama@jp.fujitsu.com> In-Reply-To: <20120316.153838.488343690.d.hatayama@jp.fujitsu.com> Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: [Qemu-devel] [RFC][PATCH 05/14 v9] Add API to get memory mapping List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: HATAYAMA Daisuke Cc: jan.kiszka@siemens.com, anderson@redhat.com, qemu-devel@nongnu.org, eblake@redhat.com, lcapitulino@redhat.com At 03/16/2012 02:38 PM, HATAYAMA Daisuke Wrote: > From: Wen Congyang > Subject: [RFC][PATCH 05/14 v9] Add API to get memory mapping > Date: Wed, 14 Mar 2012 10:07:48 +0800 > >> Add API to get all virtual address and physical address mapping. >> If the guest doesn't use paging, the virtual address is equal to the phyical >> address. The virtual address and physical address mapping is for gdb's user, and >> it does not include the memory that is not referenced by the page table. So if >> you want to use crash to anaylze the vmcore, please do not specify -p option. > > It's necessary to write the reason why the -p option is not default > explicitly: guest machine in a catastrophic state can have corrupted > memory, which we cannot trust. Yes Thanks Wen Congyang > > Thanks. > HATAYAMA, Daisuke > >