Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261579AbVBXSkr (ORCPT ); Thu, 24 Feb 2005 13:40:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261645AbVBXSkr (ORCPT ); Thu, 24 Feb 2005 13:40:47 -0500 Received: from calma.pair.com ([209.68.1.95]:23563 "HELO calma.pair.com") by vger.kernel.org with SMTP id S261579AbVBXSiv (ORCPT ); Thu, 24 Feb 2005 13:38:51 -0500 Date: Thu, 24 Feb 2005 13:38:51 -0500 From: "Chad N. Tindel" To: Chris Friesen Cc: Mike Galbraith , akpm@osdl.org, linux-kernel@vger.kernel.org Subject: Re: Xterm Hangs - Possible scheduler defect? Message-ID: <20050224183851.GA24359@calma.pair.com> References: <20050224075756.GA18639@calma.pair.com> <30111.1109237503@www1.gmx.net> <20050224175331.GA18723@calma.pair.com> <421E1AC1.1020901@nortel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <421E1AC1.1020901@nortel.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 663 Lines: 16 > Low-latency userspace apps. The audio guys, for instance, are trying to > get latencies down to the 100us range. > > If random kernel threads can preempt userspace at any time, they wreak > havoc with latency as seen by userspace. Come now. There is no such thing as a random kernel thread. Any General Purpose kernel needs the ability to do work that keeps the entire system from grinding to a halt. Chad - 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/