From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH 13/13] xen: allow more than 512 GB of RAM for 64 bit pv-domains Date: Wed, 18 Feb 2015 11:56:06 +0000 Message-ID: <54E47DD6.3060805@citrix.com> References: <1424242326-26611-1-git-send-email-jgross@suse.com> <1424242326-26611-14-git-send-email-jgross@suse.com> <54E4751F.4090005@citrix.com> <54E47CD2.5000702@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <54E47CD2.5000702@suse.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Juergen Gross , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On 18/02/15 11:51, Juergen Gross wrote: > > >> People using crash analysis tools that need the 3-level p2m can clamp >> dom0 memory with the Xen command line option. FWIW, the tool we use >> doesn't need this. > > Interesting. Which tool are you using? https://github.com/xenserver/xen-crashdump-analyser It walks dom0 by locating the real pagetables from struct vcpu, so needs no p2m/m2p fiddling at all. ~Andrew