linux-kernel - Re: [PATCH RFC tip/core/rcu 2/2] rcu: Fix broken strings in RCU's source code.

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Message-ID: <20120517222322.GA15766@leaf>
Date:	Thu, 17 May 2012 15:23:22 -0700
From:	Josh Triplett <josh@...htriplett.org>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, laijs@...fujitsu.com,
	dipankar@...ibm.com, akpm@...ux-foundation.org,
	mathieu.desnoyers@...ymtl.ca, niv@...ibm.com, tglx@...utronix.de,
	peterz@...radead.org, rostedt@...dmis.org, Valdis.Kletnieks@...edu,
	dhowells@...hat.com, eric.dumazet@...il.com, darren@...art.com,
	fweisbec@...il.com, patches@...aro.org
Subject: Re: [PATCH RFC tip/core/rcu 2/2] rcu: Fix broken strings in RCU's
 source code.

On Thu, May 17, 2012 at 03:12:45PM -0700, Paul E. McKenney wrote:
> @@ -1184,27 +1183,27 @@ rcu_torture_printk(char *page)
>  	}
>  	cnt += sprintf(&page[cnt], "%s%s ", torture_type, TORTURE_FLAG);
>  	cnt += sprintf(&page[cnt],
> -		       "rtc: %p ver: %lu tfle: %d rta: %d rtaf: %d rtf: %d "
> -		       "rtmbe: %d rtbke: %ld rtbre: %ld "
> -		       "rtbf: %ld rtb: %ld nt: %ld "
> -		       "onoff: %ld/%ld:%ld/%ld "
> -		       "barrier: %ld/%ld:%ld",
> +		       "rtc: %p ver: %lu tfle: %d rta: %d rtaf: %d rtf: %d ",
>  		       rcu_torture_current,
>  		       rcu_torture_current_version,
>  		       list_empty(&rcu_torture_freelist),
>  		       atomic_read(&n_rcu_torture_alloc),
>  		       atomic_read(&n_rcu_torture_alloc_fail),
> -		       atomic_read(&n_rcu_torture_free),
> +		       atomic_read(&n_rcu_torture_free));
> +	cnt += sprintf(&page[cnt], "rtmbe: %d rtbke: %ld rtbre: %ld ",
>  		       atomic_read(&n_rcu_torture_mberror),
>  		       n_rcu_torture_boost_ktrerror,
> -		       n_rcu_torture_boost_rterror,
> +		       n_rcu_torture_boost_rterror);
> +	cnt += sprintf(&page[cnt], "rtbf: %ld rtb: %ld nt: %ld ",
>  		       n_rcu_torture_boost_failure,
>  		       n_rcu_torture_boosts,
> -		       n_rcu_torture_timers,
> +		       n_rcu_torture_timers);
> +	cnt += sprintf(&page[cnt], "onoff: %ld/%ld:%ld/%ld ",
>  		       n_online_successes,
>  		       n_online_attempts,
>  		       n_offline_successes,
> -		       n_offline_attempts,
> +		       n_offline_attempts);
> +	cnt += sprintf(&page[cnt], "barrier: %ld/%ld:%ld",
>  		       n_barrier_successes,
>  		       n_barrier_attempts,
>  		       n_rcu_torture_barrier_error);

A change like this placates tools like checkpatch, but doesn't actually
fix the problem. :)

- Josh Triplett
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