From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vn0-f50.google.com (mail-vn0-f50.google.com [209.85.216.50]) by kanga.kvack.org (Postfix) with ESMTP id AADBE6B0032 for ; Thu, 9 Apr 2015 04:25:09 -0400 (EDT) Received: by vnbg129 with SMTP id g129so20761155vnb.4 for ; Thu, 09 Apr 2015 01:25:09 -0700 (PDT) Received: from SMTP02.CITRIX.COM (smtp02.citrix.com. [66.165.176.63]) by mx.google.com with ESMTPS id f33si6845351yha.66.2015.04.09.01.25.08 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 09 Apr 2015 01:25:09 -0700 (PDT) Message-ID: <5526374F.50401@citrix.com> Date: Thu, 9 Apr 2015 09:24:47 +0100 From: David Vrabel MIME-Version: 1.0 Subject: Re: [Xen-devel] [Patch V2 02/15] xen: save linear p2m list address in shared info structure References: <1428562542-28488-1-git-send-email-jgross@suse.com> <1428562542-28488-3-git-send-email-jgross@suse.com> In-Reply-To: <1428562542-28488-3-git-send-email-jgross@suse.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Juergen Gross , linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com, konrad.wilk@oracle.com, david.vrabel@citrix.com, boris.ostrovsky@oracle.com, linux-mm@kvack.org On 09/04/15 07:55, Juergen Gross wrote: > The virtual address of the linear p2m list should be stored in the > shared info structure read by the Xen tools to be able to support > 64 bit pv-domains larger than 512 GB. Additionally the linear p2m > list interface includes a generation count which is changed prior > to and after each mapping change of the p2m list. Reading the > generation count the Xen tools can detect changes of the mappings > and re-read the p2m list eventually. Reviewed-by: David Vrabel David -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org