From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: ATA ACPI (was Re: Linux 2.6.21-rc5) Date: Tue, 27 Mar 2007 01:51:06 -0400 Message-ID: <4608B0CA.1040005@garzik.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:33092 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934041AbXC0FvJ (ORCPT ); Tue, 27 Mar 2007 01:51:09 -0400 In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: IDE/ATA development list Cc: Linus Torvalds , Linux Kernel Mailing List , Alan , Tejun Heo , Len Brown , Kristen Carlson Accardi 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... :) Jeff