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From: Segher Boessenkool <segher@kernel.crashing.org>
Subject: Re: [PATCH] RTC: Add mmap method to rtc character driver
Date: Wed, 26 Jul 2006 01:27:46 +0200
To: Paul Mackerras <paulus@samba.org>
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> It's not that bad; if userspace is running, the cpu isn't idle, so
> there isn't the motivation to go tickless on that cpu.  In other
> words, if every cpu has suspended ticks, then no cpu can be running
> stuff that needs to look at this page.

If I read the patch correctly, none of those legacy RTC ticks
can ever be suspended though?


Segher