On Mon, 16 Sep 2013, Peter Zijlstra wrote:

> On Tue, Sep 03, 2013 at 10:33:20PM +0000, Christoph Lameter wrote:
> > We define a check function in order to avoid trouble with the
> > include files. Then the higher level __this_cpu macros are
> > modified to involve the check before any operation.
> >
>
> So this_cpu_ptr() is the one with the check, and __this_cpu_ptr() is the
> one without. But for the other this_cpu ops __this_cpu_$OP() is going to
> be the one with a check and this_cpu_$OP() the one without?
>
> Sounds like a bloody marvelous idea :/

Well it was the easiest way to get the preemption checks in given.
__this_cpu has no checks like __this_cpu_ptr before this patchset.

We could rename __this_cpu_ptr to raw_cpu_ptr to make it symmetric. A
simple alias would be good for starters.

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