linux-kernel - [PATCH tip/core/rcu 21/55] rcutorture: Export torture

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Date:	Mon, 17 Feb 2014 14:12:25 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	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, rostedt@...dmis.org, dhowells@...hat.com,
	edumazet@...gle.com, darren@...art.com, fweisbec@...il.com,
	oleg@...hat.com, sbw@....edu,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: [PATCH tip/core/rcu 21/55] rcutorture: Export torture_type and verbose module parameters

From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>

The torture_type and verbose module parameters are needed for log messages,
so this commit exports them to include/linux/torture.h.

Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
---
 include/linux/torture.h | 4 ++++
 kernel/rcu/rcutorture.c | 8 ++++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/include/linux/torture.h b/include/linux/torture.h
index c61b4ce18a13..9b6a4834de8f 100644
--- a/include/linux/torture.h
+++ b/include/linux/torture.h
@@ -49,6 +49,10 @@ extern int fullstop;
 /* Protect fullstop transitions and spawning of kthreads.  */
 extern struct mutex fullstop_mutex;
 
+/* Common module parameters. */
+extern char *torture_type;
+extern bool verbose;
+
 #define TORTURE_FLAG "-torture:"
 #define TOROUT_STRING(s) \
 	pr_alert("%s" TORTURE_FLAG s "\n", torture_type)
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 3687619b243a..49cdeeaaa54b 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -90,11 +90,15 @@ torture_parm(int, test_boost_interval, 7,
 	     "Interval between boost tests, seconds.");
 torture_parm(bool, test_no_idle_hz, true,
 	     "Test support for tickless idle CPUs");
-torture_parm(bool, verbose, false, "Enable verbose debugging printk()s");
 
-static char *torture_type = "rcu";
+char *torture_type = "rcu";
+EXPORT_SYMBOL_GPL(torture_type);
 module_param(torture_type, charp, 0444);
 MODULE_PARM_DESC(torture_type, "Type of RCU to torture (rcu, rcu_bh, ...)");
+bool verbose;
+EXPORT_SYMBOL_GPL(verbose);
+module_param(verbose, bool, 0444);
+MODULE_PARM_DESC(verbose, "Enable verbose debugging printk()s");
 
 static int nrealreaders;
 static struct task_struct *writer_task;
-- 
1.8.1.5

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