From: "H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
To: joeyli <jlee-IBi9RG/b67k@public.gmane.org>
Cc: "Rafael J. Wysocki" <rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org>,
Alessandro Zummo
<a.zummo-BfzFCNDTiLLj+vYz1yj4TQ@public.gmane.org>,
Matt Fleming
<matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>,
Matthew Garrett
<matthew.garrett-05XSO3Yj/JvQT0dZR+AlfA@public.gmane.org>,
Elliott-VXdhtT5mjnY@public.gmane.org,
samer.el-haj-mahmoud-VXdhtT5mjnY@public.gmane.org,
Oliver Neukum <oneukum-l3A5Bk7waGM@public.gmane.org>,
werner-IBi9RG/b67k@public.gmane.org,
trenn-l3A5Bk7waGM@public.gmane.org,
JBeulich-IBi9RG/b67k@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org,
x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
"linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Borislav Petkov <bp-l3A5Bk7waGM@public.gmane.org>
Subject: Re: [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME
Date: Fri, 20 Dec 2013 13:10:26 -0800 [thread overview]
Message-ID: <52B4B242.5010002@zytor.com> (raw)
In-Reply-To: <1387517916.3539.4446.camel-ONCj+Eqt86TasUa73XJKwA@public.gmane.org>
On 12/19/2013 09:38 PM, joeyli wrote:
>
> If don't use EFI time, then the first priority is using ACPI TAD if it
> present. Due to ACPI TAD is a generic acpi device that's need OS parsing
> DSDT table before set system time.
>
> Either move DSDT parser from subsystem initial stage to start_kernel or
> move timekeeping initial to after DSDT be parsed. Which one you think is
> more possible and risk less? Then I will try that way.
>
I discussed the DSDT/SSDT parsing issue with Rafael and he claims it
would require a lot of restructuring. Unfortunately ACPI is at this
point done rather late, as I understand. All of this is a big problem.
-hpa
WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: joeyli <jlee@suse.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
Alessandro Zummo <a.zummo@towertech.it>,
Matt Fleming <matt@console-pimps.org>,
Matthew Garrett <matthew.garrett@nebula.com>,
Elliott@hp.com, samer.el-haj-mahmoud@hp.com,
Oliver Neukum <oneukum@suse.de>,
werner@suse.com, trenn@suse.de, JBeulich@suse.com,
linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com,
x86@kernel.org,
"linux-efi@vger.kernel.org" <linux-efi@vger.kernel.org>,
linux-acpi@vger.kernel.org, Borislav Petkov <bp@suse.de>
Subject: Re: [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME
Date: Fri, 20 Dec 2013 13:10:26 -0800 [thread overview]
Message-ID: <52B4B242.5010002@zytor.com> (raw)
In-Reply-To: <1387517916.3539.4446.camel@linux-s257.site>
On 12/19/2013 09:38 PM, joeyli wrote:
>
> If don't use EFI time, then the first priority is using ACPI TAD if it
> present. Due to ACPI TAD is a generic acpi device that's need OS parsing
> DSDT table before set system time.
>
> Either move DSDT parser from subsystem initial stage to start_kernel or
> move timekeeping initial to after DSDT be parsed. Which one you think is
> more possible and risk less? Then I will try that way.
>
I discussed the DSDT/SSDT parsing issue with Rafael and he claims it
would require a lot of restructuring. Unfortunately ACPI is at this
point done rather late, as I understand. All of this is a big problem.
-hpa
next prev parent reply other threads:[~2013-12-20 21:10 UTC|newest]
Thread overview: 73+ 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
2013-12-19 7:43 ` 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 ` 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 7:44 ` 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
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 3:54 ` joeyli
2013-12-20 4:20 ` H. Peter Anvin
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
2013-12-19 16:04 ` Alessandro Zummo
2013-12-20 4:05 ` joeyli
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
2013-12-20 4:22 ` H. Peter Anvin
[not found] ` <52B3C5F0.1060303-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2013-12-20 5:38 ` joeyli
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 [this message]
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 21:25 ` H. Peter Anvin
2013-12-20 21:45 ` Rafael J. Wysocki
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
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
2013-12-20 22:18 ` Rafael J. Wysocki
[not found] ` <3476450.BMEcId2Lgj-sKB8Sp2ER+y1GS7QM15AGw@public.gmane.org>
2013-12-21 12:21 ` Matt Fleming
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
2014-01-12 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
2014-01-14 16:25 ` Toshi Kani
2014-01-12 11:05 ` Matt Fleming
2014-01-12 11:05 ` Matt Fleming
2014-01-17 12:20 ` Matt Fleming
2014-01-14 4:09 ` joeyli
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 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 18:00 ` 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
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
2013-12-21 2:43 ` joeyli
2013-12-20 10:53 ` Thomas Renninger
2013-12-20 10:53 ` Thomas Renninger
2013-12-20 22:15 ` H. Peter Anvin
2013-12-20 22:15 ` H. Peter Anvin
2013-12-20 15:16 ` Matthew Garrett
2013-12-20 15:16 ` Matthew Garrett
2013-12-20 16:57 ` H. Peter Anvin
2013-12-20 16:57 ` H. Peter Anvin
2013-12-20 16:58 ` Matthew Garrett
2013-12-20 16:58 ` Matthew Garrett
2013-12-20 20:29 ` H. Peter Anvin
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 20:32 ` Matthew Garrett
2013-12-20 21:14 ` H. Peter Anvin
2013-12-20 21:12 ` 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
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=52B4B242.5010002@zytor.com \
--to=hpa-ymnouzjc4hwavxtiumwx3w@public.gmane.org \
--cc=Elliott-VXdhtT5mjnY@public.gmane.org \
--cc=JBeulich-IBi9RG/b67k@public.gmane.org \
--cc=a.zummo-BfzFCNDTiLLj+vYz1yj4TQ@public.gmane.org \
--cc=bp-l3A5Bk7waGM@public.gmane.org \
--cc=jlee-IBi9RG/b67k@public.gmane.org \
--cc=linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org \
--cc=matthew.garrett-05XSO3Yj/JvQT0dZR+AlfA@public.gmane.org \
--cc=oneukum-l3A5Bk7waGM@public.gmane.org \
--cc=rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org \
--cc=rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org \
--cc=samer.el-haj-mahmoud-VXdhtT5mjnY@public.gmane.org \
--cc=trenn-l3A5Bk7waGM@public.gmane.org \
--cc=werner-IBi9RG/b67k@public.gmane.org \
--cc=x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.