Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 21 Apr 2001 22:31:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 21 Apr 2001 22:31:36 -0400 Received: from chaos.analogic.com ([204.178.40.224]:37249 "EHLO chaos.analogic.com") by vger.kernel.org with ESMTP id ; Sat, 21 Apr 2001 22:31:22 -0400 Date: Sat, 21 Apr 2001 22:30:12 -0400 (EDT) From: "Richard B. Johnson" Reply-To: root@chaos.analogic.com To: Alan Cox cc: Ulrich Drepper , linux-kernel@vger.kernel.org Subject: Re: BUG: Global FPU corruption in 2.2 In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 22 Apr 2001, Alan Cox wrote: > > Only if it traps on the esc op-code --and if it does, we are in a > > world or hurt for performance. There is no other way that the kernel > > FPU lazy task switch exceptions are a feature of X86 hardware. Have been for > a very very long time. > Hmmm.. Okay I stand corrected. Guess I haven't checked for a very very long time. Cheers, Dick Johnson Penguin : Linux version 2.4.1 on an i686 machine (799.53 BogoMips). "Memory is like gasoline. You use it up when you are running. Of course you get it all back when you reboot..."; Actual explanation obtained from the Micro$oft help desk. - 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/