Re: [patch] add optimized generic percpu accessors

[Ingo Molnar]

* Tejun Heo <tj@xxxxxxxxxx> wrote:

> It is an optimization and a cleanup, and adds the following new
> generic percpu methods:
> 
>   percpu_read()
>   percpu_write()
>   percpu_add()
>   percpu_sub()
>   percpu_or() 
>   percpu_xor()

nit: add percpu_and() here ;-)

> tj: * fixed generic percpu_sub() definition as Roel Kluin pointed out
>     * added percpu_and() for completeness's sake
>     * made generic percpu ops atomic against preemption

okay - as long as the optimized versions stay single-instruction i'm a 
happy camper.

	Ingo
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