Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932449AbaLDPpW (ORCPT ); Thu, 4 Dec 2014 10:45:22 -0500 Received: from smtp.citrix.com ([66.165.176.89]:14409 "EHLO SMTP.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932407AbaLDPpU (ORCPT ); Thu, 4 Dec 2014 10:45:20 -0500 X-IronPort-AV: E=Sophos;i="5.07,516,1413244800"; d="scan'208";a="199780131" Message-ID: <54808175.8040801@citrix.com> Date: Thu, 4 Dec 2014 15:44:53 +0000 From: David Vrabel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.2.0 MIME-Version: 1.0 To: Juergen Gross , , , , , , , , , , Subject: Re: [Xen-devel] [PATCH V4 00/10] xen: Switch to virtual mapped linear p2m list References: <1417172039-8627-1-git-send-email-jgross@suse.com> In-Reply-To: <1417172039-8627-1-git-send-email-jgross@suse.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit X-DLP: MIA2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 28/11/14 10:53, Juergen Gross wrote: > Paravirtualized kernels running on Xen use a three level tree for > translation of guest specific physical addresses to machine global > addresses. This p2m tree is used for construction of page table > entries, so the p2m tree walk is performance critical. > > By using a linear virtual mapped p2m list accesses to p2m elements > can be sped up while even simplifying code. To achieve this goal > some p2m related initializations have to be performed later in the > boot process, as the final p2m list can be set up only after basic > memory management functions are available. Applied to devel/for-linus-3.19. Thanks. David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/