Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 6 Jan 2002 22:08:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 6 Jan 2002 22:08:21 -0500 Received: from are.twiddle.net ([64.81.246.98]:42624 "EHLO are.twiddle.net") by vger.kernel.org with ESMTP id ; Sun, 6 Jan 2002 22:08:09 -0500 Date: Sun, 6 Jan 2002 19:08:01 -0800 From: Richard Henderson To: Alan Cox Cc: Davide Libenzi , Ingo Molnar , Linus Torvalds , lkml Subject: Re: [announce] [patch] ultra-scalable O(1) SMP and UP scheduler Message-ID: <20020106190801.A27356@twiddle.net> Mail-Followup-To: Alan Cox , Davide Libenzi , Ingo Molnar , Linus Torvalds , lkml In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from alan@lxorguk.ukuu.org.uk on Sun, Jan 06, 2002 at 02:13:32AM +0000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jan 06, 2002 at 02:13:32AM +0000, Alan Cox wrote: > ... since an 8bit ffz can be done by lookup table > and that is fast on all processors Please still provide the arch hook -- single cycle ffs type instructions are still faster than any memory access. r~ - 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/