Re: tasks-trace RCU: question about grace period forward progress

[Peter Zijlstra]

On Thu, Feb 25, 2021 at 10:33:21AM -0800, Paul E. McKenney wrote:
> One question for Peter...  Does each and every context switch imply a
> full barrier?

Yes, also see the smp_mb__after_spinlock() in __schedule() :-)