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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2014-01-30 13:38:09 -0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2014-02-23 09:01:07 -0800 |
| commit | b5daa8f3b3b2b0133ad40e13d4f722070119ce36 (patch) | |
| tree | 0c11133084c120238af88fe9ce62046bb489b7d8 /kernel/rcu | |
| parent | 2e9e8081d2e7a4efb582a240aa7fee991bbbabb0 (diff) | |
| download | linux-b5daa8f3b3b2b0133ad40e13d4f722070119ce36.tar.gz linux-b5daa8f3b3b2b0133ad40e13d4f722070119ce36.tar.bz2 linux-b5daa8f3b3b2b0133ad40e13d4f722070119ce36.zip | |
rcutorture: Abstract torture-test initialization
This commit creates torture_init_begin() and torture_init_end() functions
to abstract locking and allow the torture_type and verbose variables
in kernel/torture.o to become static. With a bit more abstraction,
fullstop_mutex will also become static.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Diffstat (limited to 'kernel/rcu')
| -rw-r--r-- | kernel/rcu/rcutorture.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index 0e8b52b71d76..93aca2f9261e 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -91,15 +91,12 @@ torture_param(int, test_boost_interval, 7, "Interval between boost tests, seconds."); torture_param(bool, test_no_idle_hz, true, "Test support for tickless idle CPUs"); +torture_param(bool, verbose, true, + "Enable verbose debugging printk()s"); -char *torture_type = "rcu"; -EXPORT_SYMBOL_GPL(torture_type); +static char *torture_type = "rcu"; 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; @@ -1425,8 +1422,8 @@ rcu_torture_cleanup(void) { int i; - mutex_lock(&fullstop_mutex); rcutorture_record_test_transition(); + mutex_lock(&fullstop_mutex); if (fullstop == FULLSTOP_SHUTDOWN) { pr_warn(/* but going down anyway, so... */ "Concurrent 'rmmod rcutorture' and shutdown illegal!\n"); @@ -1589,7 +1586,7 @@ rcu_torture_init(void) &rcu_ops, &rcu_bh_ops, &srcu_ops, &sched_ops, }; - mutex_lock(&fullstop_mutex); + torture_init_begin(torture_type, verbose); /* Process args and tell the world that the torturer is on the job. */ for (i = 0; i < ARRAY_SIZE(torture_ops); i++) { @@ -1604,7 +1601,7 @@ rcu_torture_init(void) for (i = 0; i < ARRAY_SIZE(torture_ops); i++) pr_alert(" %s", torture_ops[i]->name); pr_alert("\n"); - mutex_unlock(&fullstop_mutex); + torture_init_end(); return -EINVAL; } if (cur_ops->fqs == NULL && fqs_duration != 0) { @@ -1800,11 +1797,11 @@ rcu_torture_init(void) if (object_debug) rcu_test_debug_objects(); rcutorture_record_test_transition(); - mutex_unlock(&fullstop_mutex); + torture_init_end(); return 0; unwind: - mutex_unlock(&fullstop_mutex); + torture_init_end(); rcu_torture_cleanup(); return firsterr; } |