On Mon, Nov 23, 2020 at 12:12:59PM -0800, Jakub Kicinski wrote: > One liner would be: > > * Acceptable for protecting per-CPU resources accessed from BH > > We can add: > > * Much like in_softirq() - semantics are ambiguous, use carefully. * > > > IIUC we basically want to protect the nc array and counter here: