On Sat, Mar 25, 2017 at 12:09:15PM +0800, Liping Zhang wrote:
> From: Liping Zhang
>
> The nf_ct_helper_hash table is protected by nf_ct_helper_mutex, while
> nfct_helper operation is protected by nfnl_lock(NFNL_SUBSYS_CTHELPER).
> So it's possible that one CPU is walking
From: Liping Zhang
The nf_ct_helper_hash table is protected by nf_ct_helper_mutex, while
nfct_helper operation is protected by nfnl_lock(NFNL_SUBSYS_CTHELPER).
So it's possible that one CPU is walking the nf_ct_helper_hash for
cthelper add/get/del, another cpu is doing