Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756503Ab2B2EY1 (ORCPT ); Tue, 28 Feb 2012 23:24:27 -0500 Received: from serv2.oss.ntt.co.jp ([222.151.198.100]:53807 "EHLO serv2.oss.ntt.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752846Ab2B2EY0 (ORCPT ); Tue, 28 Feb 2012 23:24:26 -0500 Date: Wed, 29 Feb 2012 13:30:47 +0900 From: Takuya Yoshikawa To: Avi Kivity Cc: Peter Zijlstra , mtosatti@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, paulmck@linux.vnet.ibm.com Subject: Re: [PATCH 0/4] KVM: srcu-less dirty logging Message-Id: <20120229133047.40d6da57.yoshikawa.takuya@oss.ntt.co.jp> In-Reply-To: <4F4CA66F.8090109@redhat.com> References: <20120223203300.241510a6.yoshikawa.takuya@oss.ntt.co.jp> <1330003524.11248.11.camel@twins> <4F4CA66F.8090109@redhat.com> X-Mailer: Sylpheed 3.1.0 (GTK+ 2.24.4; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 505 Lines: 15 Avi Kivity wrote: > There will be an inversion for sure, if __put_user() faults and triggers > an mmu notifier (perhaps directly, perhaps through an allocation that > triggers a swap). Ah, I did not notice that possibility. Thanks, Takuya -- 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/