Re: [PATCH 06/34] csky: Use CONFIG_PREEMPTION

2019-10-16 Thread Guo Ren
Thx for explanation. Acked-by: Guo Ren On Wed, Oct 16, 2019 at 3:39 PM Sebastian Andrzej Siewior 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_THREADI

Re: [PATCH 06/34] csky: Use CONFIG_PREEMPTION

2019-10-16 Thread Sebastian Andrzej Siewior
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 so

Re: [PATCH 06/34] csky: Use CONFIG_PREEMPTION

2019-10-15 Thread Guo Ren
Could CONFIG_PREEMPT_RT be supported in csky ? Any arch backend porting ? On Wed, Oct 16, 2019 at 3:18 AM Sebastian Andrzej Siewior wrote: > > From: Thomas Gleixner > > CONFIG_PREEMPTION is selected by CONFIG_PREEMPT and by CONFIG_PREEMPT_RT. > Both PREEMPT and PREEMPT_RT require the same functi

[PATCH 06/34] csky: Use CONFIG_PREEMPTION

2019-10-15 Thread Sebastian Andrzej Siewior
From: Thomas Gleixner CONFIG_PREEMPTION is selected by CONFIG_PREEMPT and by CONFIG_PREEMPT_RT. Both PREEMPT and PREEMPT_RT require the same functionality which today depends on CONFIG_PREEMPT. Switch the entry code over to use CONFIG_PREEMPTION. Cc: Guo Ren Signed-off-by: Thomas Gleixner Sig