Re: [PATCH] Code clean up for percpu_xxx() functions

[Christoph Lameter]

On Wed, 12 Oct 2011, Alex,Shi wrote:

>  #ifdef CONFIG_SMP
>  #define __percpu_prefix                "%%"__stringify(__percpu_seg)":"
> -#define __my_cpu_offset                percpu_read(this_cpu_off)
> +#define __my_cpu_offset                __this_cpu_read(this_cpu_off)
>
> I do not quite understand you here. Do you mean to change every possible
> this_cpu_xxx() to __this_cpu_xxx()?

Change only those locations where the kernel thread cannot be preempted.


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