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