On Fri, Jun 09, 2017 at 04:23:01PM +0800, Hangbin Liu wrote: > Hi Steffen, > > BTW, If we put the check in xfrm_policy_flush(), we can prevent it earlier. > But If we put the check in flow_cache_percpu_empty(), we can prevent > other functions set fc->percpu to NULL, although not much possible : ) > > So I'm not quite sure whether we should put the check in > flow_cache_percpu_empty() or in xfrm_policy_flush().
Can't we just call xfrm_policy_fini() first and then flow_cache_fini()?
