"Paul E. McKenney" <paul...@linux.vnet.ibm.com> writes:

> +KNOWN ISSUES

[...]

> +o    Unless all CPUs are idle, at least one CPU must keep the
> +     scheduling-clock interrupt going in order to support accurate
> +     timekeeping.

At least with the implementation I'm using (Frederic's 3.9-nohz1
branch), at least one CPU is forced to stay out of dyntick-idle
*always*, even if all CPUs are idle.

IMO, this is important to list as a known issue since this will have
its own power implications when the system is mostly idle.

Otherwise, document looks great.  

Reviewed-by: Kevin Hilman <khil...@linaro.org>

Kevin

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