linux-kernel - Re: [PATCH] RTC: Add mmap method to rtc character driver

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Date:	Wed, 26 Jul 2006 06:17:57 -0700
From:	"Martin J. Bligh" <mbligh@...igh.org>
To:	Neil Horman <nhorman@...driver.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>, Dave Airlie <airlied@...il.com>,
	Segher Boessenkool <segher@...nel.crashing.org>,
	linux-kernel@...r.kernel.org, a.zummo@...ertech.it,
	jg@...edesktop.org
Subject: Re: [PATCH] RTC: Add mmap method to rtc character driver

>Agreed.  How about we take the /dev/rtc patch now (since its an added feature
>that doesn't hurt anything if its not used, as far as tickless kernels go), and
>I'll start working on doing gettimeofday in vdso for arches other than x86_64.
>That will give the X guys what they wanted until such time until all the other
>arches have a gettimeofday alternative that doesn't require kernel traps.
>  
>

The timelag involved in rolling X into a distro and releasing
it means that we don't really need short term workarounds.
Introducing new userspace APIs is not something that
should be done casually.
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