Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756931Ab0FJNOT (ORCPT ); Thu, 10 Jun 2010 09:14:19 -0400 Received: from hera.kernel.org ([140.211.167.34]:53095 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753608Ab0FJNOS (ORCPT ); Thu, 10 Jun 2010 09:14:18 -0400 X-User-Agent: K-9 Mail for Android In-Reply-To: References: =?US-ASCII?Q?=3C20100601092456=2EGA23572=40alia?= =?US-ASCII?Q?=2Enute=2Enet=3E_=3C4C066CF4=2E2050902=40gm?= =?US-ASCII?Q?ail=2Ecom=3E=09=3C20100605085045=2EGA56?= =?US-ASCII?Q?30=40alia=2Enute=2Enet=3E_=3C4C0A1369=2E9010?= =?US-ASCII?Q?601=40kernel=2Eorg=3E_=3CE1OMICc-0005?= =?US-ASCII?Q?f8-G5=40pomaz-ex=2Eszeredi=2Ehu=3E_=3C4C1?= =?US-ASCII?Q?0CB39=2E70002=40kernel=2Eorg=3E_=3CE1OMg?= =?US-ASCII?Q?Iz-0005Wb-2a=40pomaz-ex=2Eszeredi=2Ehu=3E?= MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Subject: Re: [fuse-devel] OSS Proxy Jack slave From: Tejun Heo Date: Thu, 10 Jun 2010 15:13:33 +0200 To: Miklos Szeredi CC: hmajxxlh@corbac.com, fuse-devel@lists.sourceforge.net, mszeredi@suse.cz, linux-kernel@vger.kernel.org Message-ID: <869cdc8d-85cf-468e-8f94-ff50551684ba@email.android.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Thu, 10 Jun 2010 13:13:54 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 626 Lines: 13 Hello, Nope, it's not required for osspd but it's a rather strong limitation on the interface which would be pretty difficult to work around later. Page protection tricks would be very cumbersome and unscalable. Hmmm, it does remove the necessity for allocating kernel pages, right? Still, it seems like a big limitation. Are you sure this is a good idea? Thanks. -- tejun -- 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/