Thx for explanation. Acked-by: Guo Ren <guo...@kernel.org>
On Wed, Oct 16, 2019 at 3:39 PM Sebastian Andrzej Siewior <bige...@linutronix.de> wrote: > > On 2019-10-16 07:29:34 [+0800], Guo Ren wrote: > > Could CONFIG_PREEMPT_RT be supported in csky ? Any arch backend porting ? > > It could. HIGH_RES_TIMERS is useful and IRQ_FORCED_THREADING is > required. You already have PREEMPT(ION) which is good. Then you would > have to try and my guess would be that some of spinlock_t vs > raw_spinlock_t could require changes but we should have lockdep support > for that which would make things easier. > > Sebastian -- Best Regards Guo Ren ML: https://lore.kernel.org/linux-csky/
