Fri, Sep 02, 2016 at 07:57:14AM CEST, xiyou.wangc...@gmail.com wrote: >Currently there are only two tc actions lockless: >gact and mirred. But they are questionable because >we don't have anything to prevent a parallel update >on an existing tc action in hash table while reading >it on fast path, this could be a problem when a tc >action becomes complex. > >This patchset introduces a few new tc action API's >based on RCU so that the fast path could now really >be protected by RCU and we can update existing tc >actions safely and race-freely. > >Obviously this is still _not_ complete yet, I only >modified mirred action to show the use case of >the new API's, all the rest actions could switch to >the new API's too. The new API's are a bit ugly too, >any suggestion to improve them is welcome. > >I tested mirred action with a few test cases, so far >so good, at least no obvious bugs. ;)
I wonder, do you happen to have a very tiny narrow screen?
