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

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Message-Id: <70FED39F-E2DF-48C8-B401-97F8813B988E@kernel.crashing.org>
Date:	Wed, 26 Jul 2006 01:29:25 +0200
From:	Segher Boessenkool <segher@...nel.crashing.org>
To:	Neil Horman <nhorman@...driver.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>, Dave Airlie <airlied@...il.com>,
	linux-kernel@...r.kernel.org, a.zummo@...ertech.it,
	jg@...edesktop.org
Subject: Re: [PATCH] RTC: Add mmap method to rtc character driver

> Yes, but if its in trade for something thats being used currently  
> which hurts
> more (case in point being the X server), using this solution is a  
> net gain.

...in the short term.

> I'm not arguing with you that adding a low res gettimeofday  
> vsyscall is a better
> long term solution, but doing that requires potentially several  
> implementations
> in the C library accross a range of architectures, some of which  
> may not be able
> to provide a time solution any better than what the gettimeofday  
> syscall
> provides today.  The /dev/rtc solution is easy, available right  
> now, and applies
> to all arches.

"All"?


Segher

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