Re: [PATCH tip/core/rcu 2/6] srcu: Change printk() %p to %pK

From: Paul E. McKenney
Date: Mon Dec 04 2017 - 13:31:39 EST


On Sat, Dec 02, 2017 at 09:27:46AM +0800, Lai Jiangshan wrote:
> On Sat, Dec 2, 2017 at 3:41 AM, Paul E. McKenney
> <paulmck@xxxxxxxxxxxxxxxxxx> wrote:
> > This commit changes the %p printk() in rcutorture to %pK. This could
> > be considered irrelevant, given that any user able to start rcutorture
> > could inflict far heavier damage on the system, but it doesn't hurt to
> > change it and doing so avoids script-generated noise.
> >
> > Reported-by: Tobin C. Harding <me@xxxxxxxx>
> > Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
>
> Reviewed-by: Lai Jiangshan <jiangshanlai@xxxxxxxxx>

Applied, thank you for the review!

Thanx, Paul

> > ---
> > kernel/rcu/srcutree.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c
> > index d5cea81378cc..81f2eb78c504 100644
> > --- a/kernel/rcu/srcutree.c
> > +++ b/kernel/rcu/srcutree.c
> > @@ -386,7 +386,7 @@ void cleanup_srcu_struct(struct srcu_struct *sp)
> > flush_delayed_work(&per_cpu_ptr(sp->sda, cpu)->work);
> > if (WARN_ON(rcu_seq_state(READ_ONCE(sp->srcu_gp_seq)) != SRCU_STATE_IDLE) ||
> > WARN_ON(srcu_readers_active(sp))) {
> > - pr_info("cleanup_srcu_struct: Active srcu_struct %p state: %d\n", sp, rcu_seq_state(READ_ONCE(sp->srcu_gp_seq)));
> > + pr_info("cleanup_srcu_struct: Active srcu_struct %pK state: %d\n", sp, rcu_seq_state(READ_ONCE(sp->srcu_gp_seq)));
> > return; /* Caller forgot to stop doing call_srcu()? */
> > }
> > free_percpu(sp->sda);
> > --
> > 2.5.2
> >
>