Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268139AbUIGQtV (ORCPT ); Tue, 7 Sep 2004 12:49:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268165AbUIGQr3 (ORCPT ); Tue, 7 Sep 2004 12:47:29 -0400 Received: from mail.mellanox.co.il ([194.90.237.34]:51041 "EHLO mtlex01.yok.mtl.com") by vger.kernel.org with ESMTP id S268130AbUIGOib (ORCPT ); Tue, 7 Sep 2004 10:38:31 -0400 Date: Tue, 7 Sep 2004 17:37:02 +0300 From: "Michael S. Tsirkin" To: Andi Kleen Cc: discuss@x86-64.org, linux-kernel@vger.kernel.org Subject: Re: [discuss] f_ops flag to speed up compatible ioctls in linux kernel Message-ID: <20040907143702.GC1016@mellanox.co.il> Reply-To: "Michael S. Tsirkin" References: <20040901072245.GF13749@mellanox.co.il> <20040903080058.GB2402@wotan.suse.de> <20040907104017.GB10096@mellanox.co.il> <20040907121418.GC25051@wotan.suse.de> <20040907134517.GA1016@mellanox.co.il> <20040907141524.GA13862@wotan.suse.de> <20040907142530.GB1016@mellanox.co.il> <20040907142945.GB20981@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040907142945.GB20981@wotan.suse.de> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1006 Lines: 25 Hello! Quoting r. Andi Kleen (ak@suse.de) "Re: [discuss] f_ops flag to speed up compatible ioctls in linux kernel": > On Tue, Sep 07, 2004 at 05:25:30PM +0300, Michael S. Tsirkin wrote: > > > It may help your module, but won't solve the general problem shorter > > > term. > > But longer term it will be better, so why not go there? > > Once the infrastructure is there, drivers will be able to be > > migrated as required. > > I have no problems with that. You would need two new entry points: > one 64bit one without BKL and a 32bit one also without BKL. > > I think there were some objections to this scheme in the past, > but I cannot think of a good alternative. > Maybe one entry point with a flag? Compatible ioctls could just ignore the flag. MST - 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/