Messages in this thread | | | Date | Mon, 26 Oct 2020 01:50:58 +0100 | From | Frederic Weisbecker <> | Subject | Re: [PATCH v8 2/6] rcu/segcblist: Add counters to segcblist datastructure |
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On Wed, Oct 21, 2020 at 03:08:09PM -0400, Joel Fernandes (Google) wrote: > bool rcu_segcblist_accelerate(struct rcu_segcblist *rsclp, unsigned long seq) > { > - int i; > + int i, j; > > WARN_ON_ONCE(!rcu_segcblist_is_enabled(rsclp)); > if (rcu_segcblist_restempty(rsclp, RCU_DONE_TAIL)) > @@ -487,6 +508,10 @@ bool rcu_segcblist_accelerate(struct rcu_segcblist *rsclp, unsigned long seq) > if (rcu_segcblist_restempty(rsclp, i) || ++i >= RCU_NEXT_TAIL) > return false; > > + /* Accounting: everything below i is about to get merged into i. */ > + for (j = i + 1; j <= RCU_NEXT_TAIL; j++) > + rcu_segcblist_move_seglen(rsclp, j, i); > +
Can you perhaps reuse the below loop to move the seglen?
Thanks.
> /* > * Merge all later callbacks, including newly arrived callbacks, > * into the segment located by the for-loop above. Assign "seq"
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