Messages in this thread | | | Date | Fri, 20 Nov 2020 17:12:54 -0800 | From | "Paul E. McKenney" <> | Subject | Re: [PATCH tip/core/rcu 0/5] Provide SRCU polling grace-period interfaces |
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On Fri, Nov 20, 2020 at 08:05:53PM -0500, Steven Rostedt wrote: > On Fri, 20 Nov 2020 16:58:09 -0800 > "Paul E. McKenney" <paulmck@kernel.org> wrote: > > > OK, maybe no one needs it, but rcutorture does need it, so here > > it is anyway. > > Ah, so there was a use case. I was scratching my head a bit before > reading this ;-)
Indeed, the overhead of start_poll_synchronize_srcu() is a killer for some parts of rcutorture, plus those parts don't care if no grace period gets started...
Thanx, Paul
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