On Tue, Mar 09, 2021 at 09:55:52AM +0100, Thomas Gleixner wrote: > RT runs softirq processing always in thread context and it requires that > both the softirq execution and the BH disabled sections are preemptible. > > This is achieved by serialization through per CPU local locks and > substituting a few parts of the existing softirq processing code with > helper functions.
Acked-by: Peter Zijlstra (Intel) <[email protected]>
