Re: [PATCH 5/7] block: Remove superflous rcu_read_[un]lock_sched() in blk_queue_enter()

From: Bart Van Assche
Date: Wed Mar 14 2018 - 16:14:21 EST


On Wed, 2018-03-14 at 21:08 +0100, Peter Zijlstra wrote:
> On Wed, Mar 14, 2018 at 08:05:30PM +0000, Bart Van Assche wrote:
> > Can you clarify this further? From <linux/rcupdate.h>:
> >
> > static inline void synchronize_rcu(void)
> > {
> > synchronize_sched();
> > }
>
> You'll find that is for !CONFIG_PREEMPT_RCU.

Thanks for the clarification. I will submit a fix for the SCSI code.

Bart.