Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 11 Jan 2002 10:50:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 11 Jan 2002 10:50:08 -0500 Received: from colorfullife.com ([216.156.138.34]:57352 "EHLO colorfullife.com") by vger.kernel.org with ESMTP id ; Fri, 11 Jan 2002 10:50:00 -0500 Message-ID: <3C3F09AC.8EC143E2@colorfullife.com> Date: Fri, 11 Jan 2002 16:50:04 +0100 From: Manfred Spraul X-Mailer: Mozilla 4.78 [en] (X11; U; Linux 2.5.2-pre9 i686) X-Accept-Language: en, de MIME-Version: 1.0 To: Matthew Kirkwood CC: linux-kernel@vger.kernel.org Subject: Re: [PATCH][RFC] Lightweight user-level semaphores Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > Actually, the more I look at Linus's original idea, the more > sense it seems to make (and the more I regret scrapping my > almost-complete implementation of it for the fd idea :) Do you have a plan how to implement the no-contention case entirely in userspace? That would make them really fast, not just saving 50 or 100 cycles through a special syscall and bypassing VFS. -- Manfred - 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/