Re: [PATCH 07/11] rcu/nocb: Use appropriate rcu_nocb_lock_irqsave()

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On Fri, Oct 01, 2021 at 06:50:55PM +0100, Valentin Schneider wrote:
> On 30/09/21 00:10, Frederic Weisbecker wrote:
> > Instead of hardcoding IRQ save and nocb lock, use the consolidated
> > API.
> >
> > Signed-off-by: Frederic Weisbecker <frederic@xxxxxxxxxx>
> > Cc: Valentin Schneider <valentin.schneider@xxxxxxx>
> > Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> > Cc: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
> > Cc: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
> > Cc: Joel Fernandes <joel@xxxxxxxxxxxxxxxxx>
> > Cc: Boqun Feng <boqun.feng@xxxxxxxxx>
> > Cc: Neeraj Upadhyay <neeraju@xxxxxxxxxxxxxx>
> > Cc: Uladzislau Rezki <urezki@xxxxxxxxx>
> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> 
> Just one comment nit below.
> 
> Reviewed-by: Valentin Schneider <valentin.schneider@xxxxxxx>
> 
> > ---
> >  kernel/rcu/tree.c | 6 ++----
> >  1 file changed, 2 insertions(+), 4 deletions(-)
> >
> > diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
> > index b1fc6e498d90..1971a4e15e96 100644
> > --- a/kernel/rcu/tree.c
> > +++ b/kernel/rcu/tree.c
> > @@ -2492,8 +2492,7 @@ static void rcu_do_batch(struct rcu_data *rdp)
> 
> While at it:
> 
> -	 * Extract the list of ready callbacks, disabling to prevent
> +-	 * Extract the list of ready callbacks, disabling IRQs to prevent

Good catch, applied that in the patch.

Thanks.



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