On Wed, 2017-11-15 at 10:45 -0600, Bryant G. Ly wrote: > This patch just closes the window, bad things can still happen. I wanted to > leave it > up to the people who actively develop in ibmveth to close the window, since > introducing > a lock can be expensive in tx.
You don't need to instroduce a lock. The network stack already have a per-queue lock, you just use the existing one. Look at what I did in sungem or ftgmac100 with the reset task, those are fairly simple drivers and should illustrate the technique. Cheers, Ben.