Re: [PATCH V2 1/2] Tick: Introduce tick_nohz_check() to check nohzenable status

[Thomas Gleixner]

On Fri, 15 Nov 2013, Lan Tianyu wrote:

> In some cases, nohz enable status needs to be checked. E.G, in RCU and cpufreq
> ondemand governor. So add tick_nohz_check() to return tick_nohz_enabled value
> And use tick_nohz_check() instead of referencing tick_nohz_enabled in the rcutree_plugin.h.

What's the point of this? 

Checking for tick_nohz_enabled is wrong to begin with.

See https://lkml.org/lkml/2013/11/13/424
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