Re: [PATCH 2/4] x86: Extend percpu ops to 64 bit

[Ingo Molnar]

* Mike Travis <travis@xxxxxxx> wrote:

>   * x86 percpu ops now will work on 64 bit too, so add the missing 8 byte cases.
> 
>   * Add a few atomic ops that will be useful in the future:
> 
> 	x86_xchg_percpu()
> 	x86_cmpxchg_percpu().
> 
> 	x86_inc_percpu() - Increment by one can generate more efficient
> 	x86_dec_percpu()   instructions and inc/dec will be supported by
> 			   cpu ops later.
> 
>   * Use per_cpu_var() instead of per_cpu__##xxx.
> 
> Based on linux-2.6.tip

applied to tip/cpus4096, thanks Mike.

	Ingo
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