linux-kernel - Re: [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME

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Message-ID: <52B4B331.9000608@zytor.com>
Date:	Fri, 20 Dec 2013 13:14:25 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Matthew Garrett <matthew.garrett@...ula.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"samer.el-haj-mahmoud@...com" <samer.el-haj-mahmoud@...com>,
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	"a.zummo@...ertech.it" <a.zummo@...ertech.it>,
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	"oneukum@...e.de" <oneukum@...e.de>,
	"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
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	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"matt@...sole-pimps.org" <matt@...sole-pimps.org>
Subject: Re: [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME

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

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