From: Igor Druzhinin <[email protected]> Date: Thu, 28 Feb 2019 14:11:26 +0000
> Occasionally, during the disconnection procedure on XenBus which > includes hash cache deinitialization there might be some packets > still in-flight on other processors. Handling of these packets includes > hashing and hash cache population that finally results in hash cache > data structure corruption. > > In order to avoid this we prevent hashing of those packets if there > are no queues initialized. In that case RCU protection of queues guards > the hash cache as well. > > Signed-off-by: Igor Druzhinin <[email protected]> Applied and queued up for -stable, thanks.
