From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264199AbTEaHrZ (ORCPT ); Sat, 31 May 2003 03:47:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264200AbTEaHrY (ORCPT ); Sat, 31 May 2003 03:47:24 -0400 Received: from pizda.ninka.net ([216.101.162.242]:60341 "EHLO pizda.ninka.net") by vger.kernel.org with ESMTP id S264199AbTEaHrY convert rfc822-to-8bit (ORCPT ); Sat, 31 May 2003 03:47:24 -0400 Date: Sat, 31 May 2003 00:59:09 -0700 (PDT) Message-Id: <20030531.005909.68051039.davem@redhat.com> To: joern@wohnheim.fh-wedel.de Cc: jmorris@intercode.com.au, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@kolivas.org Subject: Re: [PATCH RFC] 1/2 central workspace for zlib From: "David S. Miller" In-Reply-To: <20030531075615.GA25089@wohnheim.fh-wedel.de> References: <20030531064851.GA20822@wohnheim.fh-wedel.de> <20030530.235505.23020750.davem@redhat.com> <20030531075615.GA25089@wohnheim.fh-wedel.de> X-FalunGong: Information control. X-Mailer: Mew version 2.1 on Emacs 21.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Jörn Engel Date: Sat, 31 May 2003 09:56:15 +0200 On Fri, 30 May 2003 23:55:05 -0700, David S. Miller wrote: > You'll need to disable preemption. My gut feeling claims that this would hurt interactivity. You can't leave the per-cpu workspace in an indeterminate state, you'll context switch and meanwhile that workspace will be used by another client or you'll next get scheduled on a different cpu and use a different workspace.