linux-kernel - Re: [PATCH 1/2] nohz: Fix unavailable tick

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Message-ID: <alpine.DEB.2.02.1304241323500.7574@chino.kir.corp.google.com>
Date:	Wed, 24 Apr 2013 13:25:18 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
cc:	Ingo Molnar <mingo@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Chris Metcalf <cmetcalf@...era.com>,
	Christoph Lameter <cl@...ux.com>,
	Geoff Levand <geoff@...radead.org>,
	Gilad Ben Yossef <gilad@...yossef.com>,
	Hakan Akkan <hakanakkan@...il.com>,
	Kevin Hilman <khilman@...aro.org>,
	Li Zhong <zhong@...ux.vnet.ibm.com>,
	Oleg Nesterov <oleg@...hat.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 1/2] nohz: Fix unavailable tick_stop tracepoint in dynticks
 idle

On Wed, 24 Apr 2013, Frederic Weisbecker wrote:

> The trace_tick_stop() tracepoint is only available in full
> dynticks. But it's also used by dynticks-idle so let's build
> it for the latter config as well.
> 
> This fixes:
> 
>      kernel/time/tick-sched.c: In function tick_nohz_stop_sched_tick:
>      kernel/time/tick-sched.c:644: error: implicit declaration of function trace_tick_stop
>      make[2]: *** [kernel/time/tick-sched.o] Erreur 1
> 
> Reported-by: Ingo Molnar <mingo@...nel.org>
> Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
> Cc: Chris Metcalf <cmetcalf@...era.com>
> Cc: Christoph Lameter <cl@...ux.com>
> Cc: Geoff Levand <geoff@...radead.org>
> Cc: Gilad Ben Yossef <gilad@...yossef.com>
> Cc: Hakan Akkan <hakanakkan@...il.com>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: Kevin Hilman <khilman@...aro.org>
> Cc: Li Zhong <zhong@...ux.vnet.ibm.com>
> Cc: Oleg Nesterov <oleg@...hat.com>
> Cc: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
> Cc: Paul Gortmaker <paul.gortmaker@...driver.com>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Steven Rostedt <rostedt@...dmis.org>
> Cc: Thomas Gleixner <tglx@...utronix.de>

Acked-by: David Rientjes <rientjes@...gle.com>

Fixes all of the build errors I've detected in timers/nohz.
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