From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752480Ab0JTLgn (ORCPT ); Wed, 20 Oct 2010 07:36:43 -0400 Received: from david.siemens.de ([192.35.17.14]:15483 "EHLO david.siemens.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752123Ab0JTLgm (ORCPT ); Wed, 20 Oct 2010 07:36:42 -0400 Message-ID: <4CBED41F.6030109@siemens.com> Date: Wed, 20 Oct 2010 13:35:59 +0200 From: Jan Kiszka User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 MIME-Version: 1.0 To: Gleb Natapov CC: "kvm@vger.kernel.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , "avi@redhat.com" , "mingo@elte.hu" , "a.p.zijlstra@chello.nl" , "tglx@linutronix.de" , "hpa@zytor.com" , "riel@redhat.com" , "cl@linux-foundation.org" , "mtosatti@redhat.com" Subject: Re: [PATCH v7 02/12] Halt vcpu if page it tries to access is swapped out. References: <1287048176-2563-1-git-send-email-gleb@redhat.com> <1287048176-2563-3-git-send-email-gleb@redhat.com> <4CBED271.9000103@siemens.com> <20101020113300.GR10207@redhat.com> In-Reply-To: <20101020113300.GR10207@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am 20.10.2010 13:33, Gleb Natapov wrote: > On Wed, Oct 20, 2010 at 01:28:49PM +0200, Jan Kiszka wrote: >> >> Based on early kvm-kmod experiments, it looks like this (and maybe more) >> breaks the build in arch/x86/kvm/x86.c if CONFIG_KVM_ASYNC_PF is >> disabled. Please have a look. >> > CONFIG_KVM_ASYNC_PF is always enabled on x86. Ah, so this is more like CONFIG_HAVE_KVM_ASYNC_PF? Then I need some stubs in kvm-kmod to handle the case that its disabled on x86 (due to missing host kernel features). Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux