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

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Message-ID: <44D0296F.70707@zytor.com>
Date:	Tue, 01 Aug 2006 21:26:23 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	john stultz <johnstul@...ibm.com>
CC:	Dave Airlie <airlied@...il.com>,
	Neil Horman <nhorman@...driver.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

john stultz wrote:
> 
> Only lightly tested, so beware, and I've only added support so far for
> the TSC (so don't be surprised if you don't see a performance
> improvement if you using a different clocksource).
> 

We should be able to use HPET in userspace, too.

	-hpa
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