From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751701AbXDKJjM (ORCPT ); Wed, 11 Apr 2007 05:39:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751834AbXDKJjM (ORCPT ); Wed, 11 Apr 2007 05:39:12 -0400 Received: from smtp106.mail.mud.yahoo.com ([209.191.85.216]:41993 "HELO smtp106.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751701AbXDKJjL (ORCPT ); Wed, 11 Apr 2007 05:39:11 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com.au; h=Received:X-YMail-OSG:Message-ID:Date:From:User-Agent:X-Accept-Language:MIME-Version:To:CC:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=It8rlkBf1lnc568tO7b0se8KBbAZqfuFcYU9IlzlnFUIoMJasIZjUBDMlxPxjIblKNC4dmS3mR+E1fTrcZr6tMOn9oUgZ1Cd5mWWTjlAt/GOxcPXYUdav0dK0OqjAdw70jbn9z9M6dx0kCnC1T2oH34TrWP1IcztxFMYbJ0I9aA= ; X-YMail-OSG: a8.1lngVM1lSTkq2MF97x4LlVLxgxBYpSkbJZHTjqV21283flYejcFfFIIp6mVRxi2TkgtA9RQ-- Message-ID: <461CACB6.8080307@yahoo.com.au> Date: Wed, 11 Apr 2007 19:39:02 +1000 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20051007 Debian/1.7.12-1 X-Accept-Language: en MIME-Version: 1.0 To: Pierre Peiffer CC: Eric Dumazet , Andrew Morton , Dave Jones , Ulrich Drepper , Ingo Molnar , Andi Kleen , Ravikiran G Thirumalai , "Shai Fultheim (Shai@scalex86.org)" , pravin b shelar , linux-kernel@vger.kernel.org Subject: Re: [PATCH, take4] FUTEX : new PRIVATE futexes References: <20060808070708.GA3931@localhost.localdomain> <200608090826.28249.dada1@cosmosbay.com> <200608090843.52893.dada1@cosmosbay.com> <200703152010.35614.dada1@cosmosbay.com> <20070405194942.1414c030.dada1@cosmosbay.com> <20070407104339.6674336b.dada1@cosmosbay.com> <461764A6.3080703@yahoo.com.au> <20070407120051.9ed0e69a.dada1@cosmosbay.com> <461C8CD1.3080707@yahoo.com.au> <20070411101458.114125ee.dada1@cosmosbay.com> <461CA90E.3080306@yahoo.com.au> <461CAAA9.2090309@bull.net> In-Reply-To: <461CAAA9.2090309@bull.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Pierre Peiffer wrote: > Nick Piggin a écrit : > >> >> But... that isn't there in mainline. Why is it in -mm? > > > This was introduced by lguest code.... > I did not follow exaclty why. OK, that's no problem, then it can remain exported but we just have to document and audit that callers must pass in an aligned address. We can also BUG_ON(address & ~PAGE_MASK); to handle the security aspect. -- SUSE Labs, Novell Inc.