Subject: Re: [PATCH 3/9] net: xfrm: use this_cpu_ptr per-cpu helper

From: Shan Wei <[email-masked]>
Date: Thu, 01 Nov 2012 17:00:56 +0800

Herbert Xu said, at 2012/11/1 11:41:
> Please refer to the comment in the patch above.
> 
> But I think the patch is wrong anyway because it would introduce
> a warning, no?

yes, __this_cpu_ptr(or __this_cpu_read) is more reasonable 
which don't check preemption context.

> Thanks,