On Wed, 24 Jul 2024 17:49:12 +0200 Maciej Fijalkowski wrote: > > So if we are already in the af_xdp handler, and update patch sets pool > > to NULL - the af_xdp handler will be fine with the pool becoming NULL? > > I guess it may be fine, it's just quite odd to call the function called > > _ONCE() multiple times.. > > Update path before NULLing pool will go through rcu grace period, stop > napis, disable irqs, etc. Running napi won't be exposed to nulled pool in > such case. Could you make it clearer what condition the patch is fixing, then? What can go wrong without this patch?
