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From: "H. Peter Anvin" <hpa@zytor.com>
To: Matthew Garrett <matthew.garrett@nebula.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"samer.el-haj-mahmoud@hp.com" <samer.el-haj-mahmoud@hp.com>,
	"jlee@suse.com" <jlee@suse.com>, "bp@suse.de" <bp@suse.de>,
	"a.zummo@towertech.it" <a.zummo@towertech.it>,
	"Elliott@hp.com" <Elliott@hp.com>,
	"werner@suse.com" <werner@suse.com>,
	"rtc-linux@googlegroups.com" <rtc-linux@googlegroups.com>,
	"x86@kernel.org" <x86@kernel.org>,
	"rjw@rjwysocki.net" <rjw@rjwysocki.net>,
	"oneukum@suse.de" <oneukum@suse.de>,
	"linux-efi@vger.kernel.org" <linux-efi@vger.kernel.org>,
	"trenn@suse.de" <trenn@suse.de>,
	"JBeulich@suse.com" <JBeulich@suse.com>,
	"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
	"matt@console-pimps.org" <matt@console-pimps.org>
Subject: Re: [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME
Date: Fri, 20 Dec 2013 12:29:51 -0800	[thread overview]
Message-ID: <a049daea-a713-4d06-b35f-61f3bec06ba9@email.android.com> (raw)
In-Reply-To: <1387558713.17961.4.camel@x230>

Yes, but the TZ isn't all that critical, either.  It certainly doesn't matter at all for a pure Linux system.

Matthew Garrett <matthew.garrett@nebula.com> wrote:
>On Fri, 2013-12-20 at 08:57 -0800, H. Peter Anvin wrote:
>> But we prefer the TAD for that.  The case where the EFI runtime is
>the only source of that info is problematic as they are known to not
>work at runtime.  We could collect it at boot and then never change it,
>although you end up in definitional issues between EFI and the hw RTC.
>
>Most shipping UEFI hardware has no TAD.

-- 
Sent from my mobile phone.  Please pardon brevity and lack of formatting.

  reply	other threads:[~2013-12-20 20:30 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-19  7:43 Lee, Chun-Yi
2013-12-19  7:44 ` [PATCH 01/14] rtc-efi: fix decrease day twice when computing year days Lee, Chun-Yi
2013-12-19  7:44 ` [PATCH 03/14] rtc: block registration of rtc-cmos when CMOS RTC Not Present Lee, Chun-Yi
2013-12-19 14:38   ` H. Peter Anvin
2013-12-20  3:54     ` joeyli
2013-12-20  4:20       ` H. Peter Anvin
2013-12-19 14:59 ` [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME H. Peter Anvin
2013-12-19 16:04   ` Alessandro Zummo
2013-12-20  4:05   ` joeyli
2013-12-20  4:22     ` H. Peter Anvin
2013-12-20  5:38       ` joeyli
2013-12-20 21:10         ` H. Peter Anvin
2013-12-20 21:25           ` H. Peter Anvin
2013-12-20 21:45           ` Rafael J. Wysocki
2013-12-20 21:43             ` H. Peter Anvin
2013-12-20 21:50               ` Matt Fleming
2013-12-20 22:18                 ` Rafael J. Wysocki
2013-12-21 12:21                   ` Matt Fleming
2014-01-12  0:30                     ` [RFT][PATCH] ACPI / init: Run acpi_early_init() before efi_enter_virtual_mode() (was: Re: [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME) Rafael J. Wysocki
2014-01-12  9:06                       ` Borislav Petkov
2014-01-14  2:04                         ` Toshi Kani
2014-01-14 16:25                           ` Toshi Kani
2014-01-12 11:05                       ` Matt Fleming
2014-01-17 12:20                         ` Matt Fleming
2014-01-14  4:09                       ` joeyli
2014-01-14 16:50                         ` Rafael J. Wysocki
2014-01-14 18:00                         ` [RFT][PATCH] ACPI / init: Run acpi_early_init() before efi_enter_virtual_mode() H. Peter Anvin
2014-01-14 20:32                           ` Toshi Kani
2014-01-15  7:18                             ` joeyli
2013-12-21  2:43             ` [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME joeyli
2013-12-20 10:53       ` Thomas Renninger
2013-12-20 22:15         ` H. Peter Anvin
2013-12-20 15:16       ` Matthew Garrett
2013-12-20 16:57         ` H. Peter Anvin
2013-12-20 16:58           ` Matthew Garrett
2013-12-20 20:29             ` H. Peter Anvin [this message]
2013-12-20 20:32               ` Matthew Garrett
2013-12-20 21:14                 ` H. Peter Anvin
2013-12-20 21:12         ` H. Peter Anvin
2013-12-19  7:51 Lee, Chun-Yi

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