From: Prarit Bhargava <prarit-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Alessandro Zummo <a.zummo-BfzFCNDTiLLj+vYz1yj4TQ@public.gmane.org>
Cc: John Stultz <john.stultz-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
"x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org"
<x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Matt Fleming
<matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
David Vrabel
<david.vrabel-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org>,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Andi Kleen <ak-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
"linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org"
<rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
Subject: Re: [RFE PATCH 2/2] rtc, add write functionality to sysfs
Date: Thu, 28 Feb 2013 09:50:24 -0500 [thread overview]
Message-ID: <512F6EB0.1080706@redhat.com> (raw)
In-Reply-To: <20130225155812.0758e093-7UIfgwKH8t5lecnr3/Sf3RLwuzhV/fVh@public.gmane.org>
On 02/25/2013 09:58 AM, Alessandro Zummo wrote:
> On Sun, 24 Feb 2013 12:03:01 -0500
> Prarit Bhargava <prarit-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> wrote:
>
>>
>> AFAICT there is no way for me to "test" or use the write from userspace.
>> hwclock uses the SET_TIME ioctl, which is a different code path AFAICT.
>>
>> I'd like to be at least able to test this stuff when we make changes to it so I
>> think having write functionality for date & time is worthwhile.
>>
>> For me, I'm using these to heavily test ntp and ntpdate over system reboots.
>
> the point is: who will benefit from this patch? users? distributions?
> embedded distributions? if it's useful, then just go for it.
This can be dropped IMO.
P.
>
>
>> OOC, Alessandro, why is the date & time split into two fields?
>
> because date and time are two different things and we expect
> sysfs to preferably have one value for each entry.
>
WARNING: multiple messages have this Message-ID (diff)
From: Prarit Bhargava <prarit@redhat.com>
To: Alessandro Zummo <a.zummo@towertech.it>
Cc: John Stultz <john.stultz@linaro.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
"x86@kernel.org" <x86@kernel.org>,
Matt Fleming <matt.fleming@intel.com>,
David Vrabel <david.vrabel@citrix.com>,
Andrew Morton <akpm@linux-foundation.org>,
Andi Kleen <ak@linux.intel.com>,
"linux-efi@vger.kernel.org" <linux-efi@vger.kernel.org>,
"rtc-linux@googlegroups.com" <rtc-linux@googlegroups.com>
Subject: Re: [RFE PATCH 2/2] rtc, add write functionality to sysfs
Date: Thu, 28 Feb 2013 09:50:24 -0500 [thread overview]
Message-ID: <512F6EB0.1080706@redhat.com> (raw)
In-Reply-To: <20130225155812.0758e093@linux.lan.towertech.it>
On 02/25/2013 09:58 AM, Alessandro Zummo wrote:
> On Sun, 24 Feb 2013 12:03:01 -0500
> Prarit Bhargava <prarit@redhat.com> wrote:
>
>>
>> AFAICT there is no way for me to "test" or use the write from userspace.
>> hwclock uses the SET_TIME ioctl, which is a different code path AFAICT.
>>
>> I'd like to be at least able to test this stuff when we make changes to it so I
>> think having write functionality for date & time is worthwhile.
>>
>> For me, I'm using these to heavily test ntp and ntpdate over system reboots.
>
> the point is: who will benefit from this patch? users? distributions?
> embedded distributions? if it's useful, then just go for it.
This can be dropped IMO.
P.
>
>
>> OOC, Alessandro, why is the date & time split into two fields?
>
> because date and time are two different things and we expect
> sysfs to preferably have one value for each entry.
>
next prev parent reply other threads:[~2013-02-28 14:50 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-14 17:02 [RFE PATCH 0/2] x86, rtc, ntp, Enable full rtc synchronization Prarit Bhargava
2013-02-14 17:02 ` Prarit Bhargava
2013-02-14 17:02 ` [RFE PATCH 1/2] x86, rtc, ntp, Do full rtc synchronization with ntp Prarit Bhargava
[not found] ` <1360861375-24131-2-git-send-email-prarit-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-02-22 20:42 ` John Stultz
2013-02-22 20:42 ` John Stultz
[not found] ` <5127D853.6030703-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2013-02-24 17:12 ` Prarit Bhargava
2013-02-24 17:12 ` Prarit Bhargava
[not found] ` <512A4A19.2090800-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-02-25 15:04 ` Alessandro Zummo
2013-02-25 15:04 ` Alessandro Zummo
[not found] ` <1360861375-24131-1-git-send-email-prarit-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-02-14 17:02 ` [RFE PATCH 2/2] rtc, add write functionality to sysfs Prarit Bhargava
2013-02-14 17:02 ` Prarit Bhargava
[not found] ` <1360861375-24131-3-git-send-email-prarit-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-02-22 20:43 ` John Stultz
2013-02-22 20:43 ` John Stultz
[not found] ` <5127D884.6020701-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2013-02-22 20:55 ` Prarit Bhargava
2013-02-22 20:55 ` Prarit Bhargava
2013-02-22 21:05 ` John Stultz
[not found] ` <5127DDAF.2000403-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2013-02-23 23:11 ` Alessandro Zummo
2013-02-23 23:11 ` Alessandro Zummo
[not found] ` <B22B05C4-B8D2-44B9-971B-37913DE59EF6-BfzFCNDTiLLj+vYz1yj4TQ@public.gmane.org>
2013-02-24 17:03 ` Prarit Bhargava
2013-02-24 17:03 ` Prarit Bhargava
[not found] ` <512A47C5.3010500-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-02-25 14:58 ` Alessandro Zummo
2013-02-25 14:58 ` Alessandro Zummo
[not found] ` <20130225155812.0758e093-7UIfgwKH8t5lecnr3/Sf3RLwuzhV/fVh@public.gmane.org>
2013-02-28 14:50 ` Prarit Bhargava [this message]
2013-02-28 14:50 ` Prarit Bhargava
2013-02-28 18:51 ` John Stultz
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