From: Jakub Kicinski <jakub.kicin...@netronome.com> Date: Wed, 11 Apr 2018 16:47:34 -0700
> The first part of this set aims to improve handling of interrupted > waits. Patch 1 makes waiting for management FW responses > uninterruptible while patch 2 adds a message when signal arrives > while waiting for an NFP mutex. We can't interrupt execution of > FW commands so uninterruptible sleep seems reasonable there. > Exiting a wait for a mutex should be clean and have no side affects > so we are allowing to abort it. Note that both waits have rather > large timeouts (tens of seconds). > > Patches 3 and 4 improve flower offload operation under heavy load. > Currently there is no cap on the number of queued FW notifications. > Some of the notifications have to be processed from a workqueue > which may lead to very large number of messages getting queued > if workqueue never gets a chance to run. Pieter puts a limit > on number of queued messages, tries to drop some messages we ignore > without queuing and process more important messages first. Series applied, thanks Jakub.
