linux-kernel - Re: [PATCH tip/core/timers 3/4] timers: Reduce future __run

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20140115155405.5682a2de@gandalf.local.home>
Date:	Wed, 15 Jan 2014 15:54:05 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org,
	laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	josh@...htriplett.org, niv@...ibm.com, tglx@...utronix.de,
	peterz@...radead.org, dhowells@...hat.com, edumazet@...gle.com,
	darren@...art.com, fweisbec@...il.com, oleg@...hat.com, sbw@....edu
Subject: Re: [PATCH tip/core/timers 3/4] timers: Reduce future
 __run_timers() latency for newly emptied list

On Tue, 14 Jan 2014 21:20:47 -0800
"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> wrote:


> diff --git a/kernel/timer.c b/kernel/timer.c
> index 295837e5e011..bdd1c00ec4ec 100644
> --- a/kernel/timer.c
> +++ b/kernel/timer.c
> @@ -700,6 +700,7 @@ static int detach_if_pending(struct timer_list *timer, struct tvec_base *base,
>  			base->next_timer = base->timer_jiffies;
>  	}
>  	base->all_timers--;
> +	(void)catchup_timer_jiffies(base);

Why the "(void)" ?

-- Steve

>  	return 1;
>  }
>  

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/