On Mon, Nov 26, 2018 at 4:47 PM Max Filippov <jcmvbkbc@xxxxxxxxx> wrote: > > fast_coprocessor exception handler expects that the coprocessor owner > task never gets the "coprocessor disabled" exception for a coprocessor > that is marked as enabled in the thread_info::cpenable. If that happens > it will reload potentially outdated context from the thread_info > structure into the coprocessor registers. After looking at it some more I see that the above is not true. It will flush current coprocessor context to the thread_info and then load it back from there. No correctness issue, but some extra work that can be avoided. -- Thanks. -- Max
