From: Flavio Leitner <fbl@xxxxxxxxxxxx> Date: Tue, 26 Mar 2019 17:57:07 -0300 > The request_module() is quite expensive and triggers the > usermode helper in userspace. Instead, load only if the > module is not present and keep module references to avoid > problems. > > The first patch standardize the module alias which is already > there, but not in a formal way. > > The second patch adds an API to point to the NAT helper. > > The following patches will register each NAT helper using > the new API. > > The last patch fixes openvswitch to use the new API to > load and reference the NAT helper and also report an error > if the operation fails. These are mostly netfilter changes so I would like to see some reviews/ACKs from netfilter folks. Thanks.