Re: [PATCH -rcu dev 2/3] rcu/tree: Fix issue where sometimes rcu_urgent_qs is not set on IPI

On Thu, Aug 15, 2019 at 10:53:10PM -0400, Joel Fernandes (Google) wrote: > Sometimes I see rcu_urgent_qs is not set. This could be when the last > IPI was a long time ago, however, the grace period just started. Set > rcu_urgent_qs so the tick can indeed be stopped. Here I meant:

[PATCH -rcu dev 2/3] rcu/tree: Fix issue where sometimes rcu_urgent_qs is not set on IPI

Sometimes I see rcu_urgent_qs is not set. This could be when the last IPI was a long time ago, however, the grace period just started. Set rcu_urgent_qs so the tick can indeed be stopped. Signed-off-by: Joel Fernandes (Google) --- kernel/rcu/tree.c | 1 + 1 file changed, 1 insertion(+) diff