Re: [PATCH] rcu: Fix missing TICK_DEP_MASK_RCU_EXP dependency check
From: Frederic Weisbecker
Date: Sat Jan 07 2023 - 16:39:41 EST
On Wed, Dec 21, 2022 at 12:16:34PM -0800, Paul E. McKenney wrote:
> On Tue, Dec 20, 2022 at 10:16:25PM +0800, Zqiang wrote:
> > This commit add TICK_DEP_MASK_RCU_EXP dependency check in
> > check_tick_dependency(), fix commit df1e849ae4559 ("rcu: Enable
> > tick for nohz_full CPUs slow to provide expedited QS").
> >
> > Signed-off-by: Zqiang <qiang1.zhang@xxxxxxxxx>
>
> Again, good eyes, thank you!!!
>
> I have queued this for further review and testing, given that it affects
> pretty much only RCU. However, if someone else would rather take it:
>
> Acked-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
Thanks for picking it up! Please also add the following tags:
Fixes: df1e849ae455 ("rcu: Enable tick for nohz_full CPUs slow to provide expedited QS")
Acked-by: Frederic Weisbecker <frederic@xxxxxxxxxx>
Thanks!