On 1/28/22 7:50 PM, Lee Jones wrote: [...] >>>>> generic_handle_irq() is invoked from a regular interrupt service >>>>> routing. This handler will become a forced-threaded handler on >>>> >>>> s/routing/routine/? >>>> >>>>> PREEMPT_RT and will be invoked with enabled interrupts. The >>>>> generic_handle_irq() must be invoked with disabled interrupts in order >>>>> to avoid deadlocks. >>>>> >>>>> Instead of manually disabling interrupts before invoking use >>>>> generic_handle_irq() which can be invoked with enabled and disabled >>>>> interrupts. >>>>> >>>>> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> >>>> [...] >>>> >>>> MBR, Sergey >>> >>> What does that mean? >> >> Ah, you were asking about MBR! My best regards then. :-) > > Yes this. It's okay, Dan was kind enough to enlighten me. > > Every day is a school day on the list! :) It's not exactly a well known phrase, I like it mainly because it also stands for the Master Boot Record. :-) MBR, Sergey