From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755903Ab0D0Nkn (ORCPT ); Tue, 27 Apr 2010 09:40:43 -0400 Received: from mx1.redhat.com ([209.132.183.28]:11484 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752833Ab0D0Nkl (ORCPT ); Tue, 27 Apr 2010 09:40:41 -0400 Message-ID: <4BD6E956.7070005@redhat.com> Date: Tue, 27 Apr 2010 16:40:38 +0300 From: Avi Kivity User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100330 Fedora/3.0.4-1.fc12 Thunderbird/3.0.4 MIME-Version: 1.0 To: Joerg Roedel CC: Marcelo Tosatti , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 13/22] KVM: X86: Add kvm_read_guest_page_tdp function References: <1272364712-17425-1-git-send-email-joerg.roedel@amd.com> <1272364712-17425-14-git-send-email-joerg.roedel@amd.com> <4BD6DBB3.7050908@redhat.com> In-Reply-To: <4BD6DBB3.7050908@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/27/2010 03:42 PM, Avi Kivity wrote: > >> +{ >> + gfn_t real_gfn; >> + gpa_t gpa; >> + >> + *error = 0; >> + gpa = gfn<< PAGE_SHIFT; This overflows too :) Use gfn_to_gpa(). >> + real_gfn = mmu->translate_gpa(vcpu, gpa, error); > > Overflow: sizeof(gpa) > sizeof(gfn). -- error compiling committee.c: too many arguments to function