From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: ATA ACPI (was Re: Linux 2.6.21-rc5) Date: Tue, 27 Mar 2007 14:54:42 +0900 Message-ID: <4608B1A2.3040305@gmail.com> References: <4608B0CA.1040005@garzik.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from wr-out-0506.google.com ([64.233.184.236]:1150 "EHLO wr-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934049AbXC0Fyu (ORCPT ); Tue, 27 Mar 2007 01:54:50 -0400 Received: by wr-out-0506.google.com with SMTP id 76so1810040wra for ; Mon, 26 Mar 2007 22:54:49 -0700 (PDT) In-Reply-To: <4608B0CA.1040005@garzik.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jeff Garzik Cc: IDE/ATA development list , Linus Torvalds , Linux Kernel Mailing List , Alan , Len Brown , Kristen Carlson Accardi Jeff Garzik wrote: > Linus Torvalds wrote: >> There's various fixes here, ranging from some architecture updates >> (ia64, ARM, MIPS, SH, Sparc64) to KVM, networking and network drivers. >> >> And random one-liners. >> >> But probably more important, and likely much more visible to most >> people is the fixes for the fallout from the hrtimers and no-HZ >> changes, and some of the ACPI regressions. >> >> Those timer changes ended up much more painful than anybody wished >> for, but big thanks to Thomas Gleixner for being on it like a weasel >> on a dead rat, and the regression list has kept shrinking. >> >> So if you have reported a regression in the 2.6.21-rc series, please >> check 2.6.21-rc5, and update your report as appropriate (whether fixed >> or "still problems with xyzzy"). >> >> Linus > > > [just got back from vacation, or would have sent this earlier] > > FWIW, I'm still leaning towards disabling libata ACPI support by default > for 2.6.21. > > Upstream has Alan's fix for the worst PATA problems, but for different > reasons, I think PATA ACPI and SATA ACPI support in libata does not feel > quite ready for prime time in 2.6.21. > > Scream now, or hold your peace until 2.6.22... :) I second disabling ACPI for 2.6.21. -- tejun