Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752396Ab2BVNGj (ORCPT ); Wed, 22 Feb 2012 08:06:39 -0500 Received: from casper.infradead.org ([85.118.1.10]:53742 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751585Ab2BVNGe convert rfc822-to-8bit (ORCPT ); Wed, 22 Feb 2012 08:06:34 -0500 Message-ID: <1329915987.24994.5.camel@twins> Subject: Re: [Qemu-devel] [RFC] Next gen kvm api From: Peter Zijlstra To: Takuya Yoshikawa Cc: Anthony Liguori , Avi Kivity , KVM list , linux-kernel , qemu-devel Date: Wed, 22 Feb 2012 14:06:27 +0100 In-Reply-To: <20120204110817.30e1a4c62754f074a8a5064d@gmail.com> References: <4F2AB552.2070909@redhat.com> <4F2B41D6.8020603@codemonkey.ws> <20120204110817.30e1a4c62754f074a8a5064d@gmail.com> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Mailer: Evolution 3.2.2- Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 839 Lines: 22 On Sat, 2012-02-04 at 11:08 +0900, Takuya Yoshikawa wrote: > The latter needs a fundamental change: I heard (from Avi) that we can > change mmu_lock to mutex_lock if mmu_notifier becomes preemptible. > > So I was planning to restart this work when Peter's > "mm: Preemptibility" > http://lkml.org/lkml/2011/4/1/141 > gets finished. That got merged a while ago: # git describe --contains d16dfc550f5326a4000f3322582a7c05dec91d7a --match "v*" v3.0-rc1~275 While I still need to get back to unifying mmu_gather across architectures the whole thing is currently preemptible. -- 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/