On Tue, Aug 18, 2020 at 12:51:10PM +0200, Peter Zijlstra wrote: > Convert the performance sensitive users of > smp_call_single_function_async() over to the new > irq_work_queue_remote_static(). > > The new API is marginally less crap but taking these users away allows > fixing up smp_call_single_function_async() without risk of performance > regressions.
You probably want a conversion patch per subsystem so that it sticks out. What is so crap about this API? How could we as subsystem maintainers help to make it less crappy?
