Re: [PATCH] kernel/padata.c: always check the return value of__padata_remove_cpu() and __padata_add_cpu()

From: Steffen Klassert
Date: Thu Aug 22 2013 - 01:42:53 EST


On Tue, Aug 20, 2013 at 11:44:31AM +0800, Chen Gang wrote:
>
> If this patch is correct, better to let CPU_ONLINE and CPU_DOWN_FAILED
> share the same code.
>
> And do we need a comment "/* fall through */" between CPU_UP_CANCELED
> and CPU_DOWN_FAILED (or it is another bug, need a 'break' statement) ?
>
> At last, also better to let CPU_DOWN_PREPARE and CPU_UP_CANCELED share
> the same code (if need a 'break'), or share the most of code (if "fall
> through").
>

CPU_ONLINE and CPU_DOWN_FAILED can share the code. Same is true for
CPU_DOWN_PREPARE and CPU_UP_CANCELED.

Thanks!
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