From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME Date: Fri, 20 Dec 2013 13:14:25 -0800 Message-ID: <52B4B331.9000608@zytor.com> References: <1387439053-8711-1-git-send-email-jlee@suse.com> <52B309EB.90300@zytor.com> <1387512357.3539.4317.camel@linux-s257.site> <52B3C5F0.1060303@zytor.com> <1387552565.17961.3.camel@x230> <83120989-e634-47c0-9bae-0c7899df64ab@email.android.com> <1387558713.17961.4.camel@x230> <1387571531.17961.6.camel@x230> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from terminus.zytor.com ([198.137.202.10]:48042 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751514Ab3LTVPB (ORCPT ); Fri, 20 Dec 2013 16:15:01 -0500 In-Reply-To: <1387571531.17961.6.camel@x230> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Matthew Garrett Cc: "linux-kernel@vger.kernel.org" , "samer.el-haj-mahmoud@hp.com" , "jlee@suse.com" , "bp@suse.de" , "a.zummo@towertech.it" , "Elliott@hp.com" , "werner@suse.com" , "rtc-linux@googlegroups.com" , "x86@kernel.org" , "rjw@rjwysocki.net" , "oneukum@suse.de" , "linux-efi@vger.kernel.org" , "trenn@suse.de" , "JBeulich@suse.com" , "linux-acpi@vger.kernel.org" , "matt@console-pimps.org" On 12/20/2013 12:32 PM, Matthew Garrett wrote: > On Fri, 2013-12-20 at 12:29 -0800, H. Peter Anvin wrote: >> Yes, but the TZ isn't all that critical, either. It certainly doesn't matter at all for a pure Linux system. > > No, but it does matter for a great number of deployed Linux systems. > Dealing with the timezone over DST changes has been a perpetual problem, > and if we can make that work then life will be significantly better. > And as I pointed out, it can matter a lot for VMs, since the provider doesn't want to provision the VMs differently for different types of guests. -hpa