Re: Packet gets stuck in NOLOCK pfifo_fast qdisc

On Wed, 2020-09-02 at 22:01 -0700, Cong Wang wrote:

Can you test the attached one-line fix? I think we are overthinking,
probably all
we need here is a busy wait.

I think that will solve, but I also think that will kill NOLOCK
performances due to really increased contention.

At this point I fear we could consider reverting the NOLOCK stuff.
I personally would hate doing so, but it looks like NOLOCK benefits are
outweighed by its issues.

Any other opinion more than welcome!

Cheers,

Paolo