Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268890AbUIHG6f (ORCPT ); Wed, 8 Sep 2004 02:58:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268900AbUIHG6T (ORCPT ); Wed, 8 Sep 2004 02:58:19 -0400 Received: from cantor.suse.de ([195.135.220.2]:13199 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S268890AbUIHGzt (ORCPT ); Wed, 8 Sep 2004 02:55:49 -0400 Date: Wed, 8 Sep 2004 08:55:48 +0200 From: Andi Kleen To: "Michael S. Tsirkin" Cc: Andi Kleen , 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: <20040908065548.GE27886@wotan.suse.de> References: <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> <20040907143702.GC1016@mellanox.co.il> <20040907144452.GC20981@wotan.suse.de> <20040907144543.GA1340@mellanox.co.il> <20040907151022.GA32287@wotan.suse.de> <20040907181641.GB2154@mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040907181641.GB2154@mellanox.co.il> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 579 Lines: 15 > Wait, I think that a properly coded ioctl can always > figure out this is a compat call by looking at the command > (see example below). > So maybe we can live with just one new entry point with these > semantics? I think two is cleaner. And needing 8 bytes more for a file_operations structure is not exactly a catastrophe. -Andi - 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/