linux-kernel - Re: [rtc-linux] Re: [PATCH 2/2] rtc: Add boot

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Date:	Fri, 4 Sep 2009 17:41:27 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Alessandro Zummo <alessandro.zummo@...ertech.it>
Cc:	rtc-linux@...glegroups.com, linux-kernel@...r.kernel.org
Subject: Re: [rtc-linux] Re: [PATCH 2/2] rtc: Add boot_timesource sysfs
	attribute

On Fri, Sep 04, 2009 at 06:38:28PM +0200, Alessandro Zummo wrote:
> On Fri, 4 Sep 2009 17:30:29 +0100
> Matthew Garrett <mjg59@...f.ucam.org> wrote:
> 
> > We'd prefer to avoid always doing --hctosys because it's a 
> > noticable performance hit on boot if the work's already been done by the 
> > kernel.
> 
>  it shouldn't. maybe your hwclock is waiting for the tick
>  or something similar. I'd check it.

I'm just going by what our userspace people are saying. They'd prefer 
not to have to run --hctosys if the time's already been set - 
https://bugzilla.redhat.com/show_bug.cgi?id=489494 has the discussion.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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