linux-kernel - Re: [PATCH RFC tip/core/rcu 3/9] rcu_sync: Add CONFIG_PROVE

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Date:	Mon, 7 Sep 2015 14:52:47 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Daniel Wagner <wagi@...om.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org,
	jiangshanlai@...il.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org,
	rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
	dvhart@...ux.intel.com, fweisbec@...il.com, bobby.prani@...il.com
Subject: Re: [PATCH RFC tip/core/rcu 3/9] rcu_sync: Add CONFIG_PROVE_RCU
	checks

On 09/07, Daniel Wagner wrote:
>
> On 08/29/2015 05:35 AM, Paul E. McKenney wrote:
> > +extern bool __rcu_sync_is_idle(struct rcu_sync *);
> > +
> >  /**
> >   * rcu_sync_is_idle() - Are readers permitted to use their fastpaths?
> >   * @rsp: Pointer to rcu_sync structure to use for synchronization
> > @@ -50,7 +52,11 @@ struct rcu_sync {
> >   */
> >  static inline bool rcu_sync_is_idle(struct rcu_sync *rsp)
> >  {
> > +#ifdef CONFIG_PROVE_RCU
> > +	return __rcu_sync_is_idle(rss);
>
> s/rss/rsp?

Hmm, yes.

Paul, it seems that you renamed "rss" to "rsp" globally (I didn't even
notice this change), but forgot about this one ;)

Should I send the patch or will you fix this yourself?

Oleg.

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