From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753785AbaKMGzB (ORCPT ); Thu, 13 Nov 2014 01:55:01 -0500 Received: from cantor2.suse.de ([195.135.220.15]:54374 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751090AbaKMGy7 (ORCPT ); Thu, 13 Nov 2014 01:54:59 -0500 Message-ID: <546455C1.6000405@suse.com> Date: Thu, 13 Nov 2014 07:54:57 +0100 From: Juergen Gross User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: Konrad Rzeszutek Wilk CC: linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com, david.vrabel@citrix.com, boris.ostrovsky@oracle.com, x86@kernel.org, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com Subject: Re: [PATCH V3 5/8] x86: Introduce function to get pmd entry pointer References: <1415684626-18590-1-git-send-email-jgross@suse.com> <1415684626-18590-6-git-send-email-jgross@suse.com> <20141112221204.GD7549@laptop.dumpdata.com> In-Reply-To: <20141112221204.GD7549@laptop.dumpdata.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/12/2014 11:12 PM, Konrad Rzeszutek Wilk wrote: > On Tue, Nov 11, 2014 at 06:43:43AM +0100, Juergen Gross wrote: >> Introduces lookup_pmd_address() to get the address of the pmd entry >> related to a virtual address in the current address space. This >> function is needed for support of a virtual mapped sparse p2m list >> in xen pv domains. >> > What is wrong with using 'lookup_address' ? It doesn't return the needed information. I need a pmd entry here, not a pte entry. Juergen