On 12/03/2019 18:03, Vineet Gupta wrote: [...] >> Regarding that loop, archs seem to fall in 3 categories: >> A) Those that don't have the loop > > Please clarify that this is the right thing to do (since core code already > has the > loop) hence no fixing is required for this "category" >
Right, those don't need any change. I had a brief look at them to double check they had the proper need_resched() gate before calling preempt_schedule_irq() (with no loop) and they all seem fine. Also... >> B) Those that have a small need_resched() loop around the >> preempt_schedule_irq() callsite >> C) Those that branch to some more generic code further up the entry code >> and eventually branch back to preempt_schedule_irq() >> >> arc, m68k, nios2 fall in A) > I forgot to include parisc in here. [...]
