Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266627AbUJFBdg (ORCPT ); Tue, 5 Oct 2004 21:33:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266663AbUJFBdg (ORCPT ); Tue, 5 Oct 2004 21:33:36 -0400 Received: from smtp203.mail.sc5.yahoo.com ([216.136.129.93]:49586 "HELO smtp203.mail.sc5.yahoo.com") by vger.kernel.org with SMTP id S266627AbUJFBdf (ORCPT ); Tue, 5 Oct 2004 21:33:35 -0400 Message-ID: <41634B3B.8050403@yahoo.com.au> Date: Wed, 06 Oct 2004 11:32:43 +1000 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.2) Gecko/20040820 Debian/1.7.2-4 X-Accept-Language: en MIME-Version: 1.0 To: Jeff Garzik CC: Roland Dreier , linux-kernel@vger.kernel.org Subject: Re: Preempt? (was Re: Cannot enable DMA on SATA drive (SCSI-libsata, VIA SATA)) References: <4136E4660006E2F7@mail-7.tiscali.it> <41634236.1020602@pobox.com> <52is9or78f.fsf_-_@topspin.com> <4163465F.6070309@pobox.com> <41634A34.20500@yahoo.com.au> In-Reply-To: <41634A34.20500@yahoo.com.au> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 495 Lines: 15 Nick Piggin wrote: > With preempt, sure you still need small lock hold times. No big > deal. *Making* the lock hold times small is a big deal as Ingo will attest ;) But I mean "no big deal" as in, it has to be done whether or not you have preempt. - 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/