Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752107AbaABQPF (ORCPT ); Thu, 2 Jan 2014 11:15:05 -0500 Received: from smtp.citrix.com ([66.165.176.89]:53240 "EHLO SMTP.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751372AbaABQPD (ORCPT ); Thu, 2 Jan 2014 11:15:03 -0500 X-IronPort-AV: E=Sophos;i="4.95,591,1384300800"; d="scan'208";a="89270213" Message-ID: <52C59068.1040603@citrix.com> Date: Thu, 2 Jan 2014 16:14:32 +0000 From: David Vrabel User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.16) Gecko/20121215 Iceowl/1.0b1 Icedove/3.0.11 MIME-Version: 1.0 To: Konrad Rzeszutek Wilk CC: , , , , Subject: Re: [PATCH v12 10/18] xen/pvh: Update E820 to work with PVH (v2) References: <1388550945-25499-1-git-send-email-konrad.wilk@oracle.com> <1388550945-25499-11-git-send-email-konrad.wilk@oracle.com> In-Reply-To: <1388550945-25499-11-git-send-email-konrad.wilk@oracle.com> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.80.2.76] X-DLP: MIA1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 780 Lines: 19 On 01/01/14 04:35, Konrad Rzeszutek Wilk wrote: > From: Mukesh Rathor > > In xen_add_extra_mem() we can skip updating P2M as it's managed > by Xen. PVH maps the entire IO space, but only RAM pages need > to be repopulated. So this looks minimal but I can't work out what PVH actually needs to do here. This code really doesn't need to be made any more confusing. I don't understand why the guest hasn't been supplied with sensible memory map that we can use as-is without playing all these games? 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/