From: Matthew Garrett <matthew.garrett@nebula.com>
To: "hpa@zytor.com" <hpa@zytor.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 16:58:33 +0000 [thread overview]
Message-ID: <1387558713.17961.4.camel@x230> (raw)
In-Reply-To: <83120989-e634-47c0-9bae-0c7899df64ab@email.android.com>
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.
--
Matthew Garrett <matthew.garrett@nebula.com>
next prev parent reply other threads:[~2013-12-20 16:58 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-19 7:43 [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME Lee, Chun-Yi
[not found] ` <1387439053-8711-1-git-send-email-jlee-IBi9RG/b67k@public.gmane.org>
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
[not found] ` <1387439053-8711-4-git-send-email-jlee-IBi9RG/b67k@public.gmane.org>
2013-12-19 14:38 ` H. Peter Anvin
[not found] ` <6fc9a2f9-eae7-4588-a092-f338053ec96a-2ueSQiBKiTY7tOexoI0I+QC/G2K4zDHf@public.gmane.org>
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
[not found] ` <52B309EB.90300-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2013-12-19 16:04 ` Alessandro Zummo
2013-12-20 4:05 ` joeyli
[not found] ` <1387512357.3539.4317.camel-ONCj+Eqt86TasUa73XJKwA@public.gmane.org>
2013-12-20 4:22 ` H. Peter Anvin
[not found] ` <52B3C5F0.1060303-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2013-12-20 5:38 ` joeyli
[not found] ` <1387517916.3539.4446.camel-ONCj+Eqt86TasUa73XJKwA@public.gmane.org>
2013-12-20 21:10 ` H. Peter Anvin
[not found] ` <52B4B242.5010002-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2013-12-20 21:25 ` H. Peter Anvin
2013-12-20 21:45 ` Rafael J. Wysocki
2013-12-20 21:43 ` H. Peter Anvin
[not found] ` <52B4BA0A.1030902-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2013-12-20 21:50 ` Matt Fleming
[not found] ` <20131220215056.GA29501-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2013-12-20 22:18 ` Rafael J. Wysocki
[not found] ` <3476450.BMEcId2Lgj-sKB8Sp2ER+y1GS7QM15AGw@public.gmane.org>
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
[not found] ` <2530951.HFPX8MI38t-sKB8Sp2ER+y1GS7QM15AGw@public.gmane.org>
2014-01-12 9:06 ` Borislav Petkov
2014-01-14 2:04 ` Toshi Kani
[not found] ` <1389665096.1792.271.camel-RbGIw1UOYPVo/CpIj0byZw@public.gmane.org>
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
[not found] ` <1389672548.24105.252.camel-ONCj+Eqt86TasUa73XJKwA@public.gmane.org>
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
[not found] ` <1389731547.1792.296.camel-RbGIw1UOYPVo/CpIj0byZw@public.gmane.org>
2014-01-15 7:18 ` joeyli
[not found] ` <2787644.ytU7M33B4r-sKB8Sp2ER+y1GS7QM15AGw@public.gmane.org>
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 [this message]
2013-12-20 20:29 ` H. Peter Anvin
[not found] ` <a049daea-a713-4d06-b35f-61f3bec06ba9-2ueSQiBKiTY7tOexoI0I+QC/G2K4zDHf@public.gmane.org>
2013-12-20 20:32 ` Matthew Garrett
2013-12-20 21:14 ` H. Peter Anvin
2013-12-20 21:12 ` H. Peter Anvin
-- strict thread matches above, loose matches on Subject: below --
2013-12-19 7:51 Lee, Chun-Yi
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1387558713.17961.4.camel@x230 \
--to=matthew.garrett@nebula.com \
--cc=Elliott@hp.com \
--cc=JBeulich@suse.com \
--cc=a.zummo@towertech.it \
--cc=bp@suse.de \
--cc=hpa@zytor.com \
--cc=jlee@suse.com \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-efi@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=matt@console-pimps.org \
--cc=oneukum@suse.de \
--cc=rjw@rjwysocki.net \
--cc=rtc-linux@googlegroups.com \
--cc=samer.el-haj-mahmoud@hp.com \
--cc=trenn@suse.de \
--cc=werner@suse.com \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).