Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751520AbXBNJtt (ORCPT ); Wed, 14 Feb 2007 04:49:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751521AbXBNJtt (ORCPT ); Wed, 14 Feb 2007 04:49:49 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:38952 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751518AbXBNJts (ORCPT ); Wed, 14 Feb 2007 04:49:48 -0500 Date: Wed, 14 Feb 2007 10:46:29 +0100 From: Ingo Molnar To: Evgeniy Polyakov Cc: Andi Kleen , linux-kernel@vger.kernel.org, Linus Torvalds , Arjan van de Ven , Christoph Hellwig , Andrew Morton , Alan Cox , Ulrich Drepper , Zach Brown , "David S. Miller" , Benjamin LaHaise , Suparna Bhattacharya , Davide Libenzi , Thomas Gleixner Subject: Re: [patch 05/11] syslets: core code Message-ID: <20070214094629.GA6801@elte.hu> References: <20060529212109.GA2058@elte.hu> <20070213142035.GF638@elte.hu> <20070213222443.GH22104@elte.hu> <20070213223017.GJ29492@one.firstfloor.org> <20070213224131.GK22104@elte.hu> <20070214091348.GB4665@2ka.mipt.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070214091348.GB4665@2ka.mipt.ru> User-Agent: Mutt/1.4.2.2i X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -0.8 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-0.8 required=5.9 tests=ALL_TRUSTED,BAYES_50 autolearn=no SpamAssassin version=3.1.7 -1.8 ALL_TRUSTED Passed through trusted hosts only via SMTP 1.0 BAYES_50 BODY: Bayesian spam probability is 40 to 60% [score: 0.4883] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 602 Lines: 16 * Evgeniy Polyakov wrote: > This will end up badly - I used the same approach in the early kevent > days and was proven to have swapable memory for the ring. I think it > would be much better to have userspace allocated ring and use > copy_to_user() there. it is a userspace allocated ring - but pinned down by the kernel. Ingo - 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/