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提交 2caa1e44 编写于 作者: P Paul E. McKenney
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rcu: Switch rcutorture to pr_alert() and friends 

Drop a few characters by switching kernel/rcutorture.c from
"printk(KERN_ALERT" to "pr_alert(".
Signed-off-by: NPaul E. McKenney <paulmck@linux.vnet.ibm.com>
上级 2aef619c
隐藏空白更改
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Showing with 50 addition and 50 deletion
kernel/rcutorture.c
浏览文件 @ 2caa1e44
......@@ -120,11 +120,11 @@ MODULE_PARM_DESC(torture_type, "Type of RCU to torture (rcu, rcu_bh, srcu)");
#define TORTURE_FLAG "-torture:"
#define PRINTK_STRING(s) \
do { printk(KERN_ALERT "%s" TORTURE_FLAG s "\n", torture_type); } while (0)
do { pr_alert("%s" TORTURE_FLAG s "\n", torture_type); } while (0)
#define VERBOSE_PRINTK_STRING(s) \
do { if (verbose) printk(KERN_ALERT "%s" TORTURE_FLAG s "\n", torture_type); } while (0)
do { if (verbose) pr_alert("%s" TORTURE_FLAG s "\n", torture_type); } while (0)
#define VERBOSE_PRINTK_ERRSTRING(s) \
do { if (verbose) printk(KERN_ALERT "%s" TORTURE_FLAG "!!! " s "\n", torture_type); } while (0)
do { if (verbose) pr_alert("%s" TORTURE_FLAG "!!! " s "\n", torture_type); } while (0)
static char printk_buf[4096];
......@@ -242,7 +242,7 @@ rcutorture_shutdown_notify(struct notifier_block *unused1,
if (fullstop == FULLSTOP_DONTSTOP)
fullstop = FULLSTOP_SHUTDOWN;
else
printk(KERN_WARNING /* but going down anyway, so... */
pr_warn(/* but going down anyway, so... */
"Concurrent 'rmmod rcutorture' and shutdown illegal!\n");
mutex_unlock(&fullstop_mutex);
return NOTIFY_DONE;
......@@ -255,7 +255,7 @@ rcutorture_shutdown_notify(struct notifier_block *unused1,
static void rcutorture_shutdown_absorb(char *title)
{
if (ACCESS_ONCE(fullstop) == FULLSTOP_SHUTDOWN) {
printk(KERN_NOTICE
pr_notice(
"rcutorture thread %s parking due to system shutdown\n",
title);
schedule_timeout_uninterruptible(MAX_SCHEDULE_TIMEOUT);
......@@ -1276,7 +1276,7 @@ rcu_torture_stats_print(void)
int cnt;
cnt = rcu_torture_printk(printk_buf);
printk(KERN_ALERT "%s", printk_buf);
pr_alert("%s", printk_buf);
}
/*
......@@ -1389,20 +1389,20 @@ rcu_torture_stutter(void *arg)
static inline void
rcu_torture_print_module_parms(struct rcu_torture_ops *cur_ops, char *tag)
{
printk(KERN_ALERT "%s" TORTURE_FLAG
"--- %s: nreaders=%d nfakewriters=%d "
"stat_interval=%d verbose=%d test_no_idle_hz=%d "
"shuffle_interval=%d stutter=%d irqreader=%d "
"fqs_duration=%d fqs_holdoff=%d fqs_stutter=%d "
"test_boost=%d/%d test_boost_interval=%d "
"test_boost_duration=%d shutdown_secs=%d "
"onoff_interval=%d onoff_holdoff=%d\n",
torture_type, tag, nrealreaders, nfakewriters,
stat_interval, verbose, test_no_idle_hz, shuffle_interval,
stutter, irqreader, fqs_duration, fqs_holdoff, fqs_stutter,
test_boost, cur_ops->can_boost,
test_boost_interval, test_boost_duration, shutdown_secs,
onoff_interval, onoff_holdoff);
pr_alert("%s" TORTURE_FLAG
"--- %s: nreaders=%d nfakewriters=%d "
"stat_interval=%d verbose=%d test_no_idle_hz=%d "
"shuffle_interval=%d stutter=%d irqreader=%d "
"fqs_duration=%d fqs_holdoff=%d fqs_stutter=%d "
"test_boost=%d/%d test_boost_interval=%d "
"test_boost_duration=%d shutdown_secs=%d "
"onoff_interval=%d onoff_holdoff=%d\n",
torture_type, tag, nrealreaders, nfakewriters,
stat_interval, verbose, test_no_idle_hz, shuffle_interval,
stutter, irqreader, fqs_duration, fqs_holdoff, fqs_stutter,
test_boost, cur_ops->can_boost,
test_boost_interval, test_boost_duration, shutdown_secs,
onoff_interval, onoff_holdoff);
}
static struct notifier_block rcutorture_shutdown_nb = {
......@@ -1469,9 +1469,9 @@ rcu_torture_shutdown(void *arg)
!kthread_should_stop()) {
delta = shutdown_time - jiffies_snap;
if (verbose)
printk(KERN_ALERT "%s" TORTURE_FLAG
"rcu_torture_shutdown task: %lu jiffies remaining\n",
torture_type, delta);
pr_alert("%s" TORTURE_FLAG
"rcu_torture_shutdown task: %lu jiffies remaining\n",
torture_type, delta);
schedule_timeout_interruptible(delta);
jiffies_snap = ACCESS_ONCE(jiffies);
}
......@@ -1517,16 +1517,16 @@ rcu_torture_onoff(void *arg)
cpu = (rcu_random(&rand) >> 4) % (maxcpu + 1);
if (cpu_online(cpu) && cpu_is_hotpluggable(cpu)) {
if (verbose)
printk(KERN_ALERT "%s" TORTURE_FLAG
"rcu_torture_onoff task: offlining %d\n",
torture_type, cpu);
pr_alert("%s" TORTURE_FLAG
"rcu_torture_onoff task: offlining %d\n",
torture_type, cpu);
starttime = jiffies;
n_offline_attempts++;
if (cpu_down(cpu) == 0) {
if (verbose)
printk(KERN_ALERT "%s" TORTURE_FLAG
"rcu_torture_onoff task: offlined %d\n",
torture_type, cpu);
pr_alert("%s" TORTURE_FLAG
"rcu_torture_onoff task: offlined %d\n",
torture_type, cpu);
n_offline_successes++;
delta = jiffies - starttime;
sum_offline += delta;
......@@ -1541,16 +1541,16 @@ rcu_torture_onoff(void *arg)
}
} else if (cpu_is_hotpluggable(cpu)) {
if (verbose)
printk(KERN_ALERT "%s" TORTURE_FLAG
"rcu_torture_onoff task: onlining %d\n",
torture_type, cpu);
pr_alert("%s" TORTURE_FLAG
"rcu_torture_onoff task: onlining %d\n",
torture_type, cpu);
starttime = jiffies;
n_online_attempts++;
if (cpu_up(cpu) == 0) {
if (verbose)
printk(KERN_ALERT "%s" TORTURE_FLAG
"rcu_torture_onoff task: onlined %d\n",
torture_type, cpu);
pr_alert("%s" TORTURE_FLAG
"rcu_torture_onoff task: onlined %d\n",
torture_type, cpu);
n_online_successes++;
delta = jiffies - starttime;
sum_online += delta;
......@@ -1626,14 +1626,14 @@ static int __cpuinit rcu_torture_stall(void *args)
if (!kthread_should_stop()) {
stop_at = get_seconds() + stall_cpu;
/* RCU CPU stall is expected behavior in following code. */
printk(KERN_ALERT "rcu_torture_stall start.\n");
pr_alert("rcu_torture_stall start.\n");
rcu_read_lock();
preempt_disable();
while (ULONG_CMP_LT(get_seconds(), stop_at))
continue; /* Induce RCU CPU stall warning. */
preempt_enable();
rcu_read_unlock();
printk(KERN_ALERT "rcu_torture_stall end.\n");
pr_alert("rcu_torture_stall end.\n");
}
rcutorture_shutdown_absorb("rcu_torture_stall");
while (!kthread_should_stop())
......@@ -1749,12 +1749,12 @@ static int rcu_torture_barrier_init(void)
if (n_barrier_cbs == 0)
return 0;
if (cur_ops->call == NULL || cur_ops->cb_barrier == NULL) {
printk(KERN_ALERT "%s" TORTURE_FLAG
" Call or barrier ops missing for %s,\n",
torture_type, cur_ops->name);
printk(KERN_ALERT "%s" TORTURE_FLAG
" RCU barrier testing omitted from run.\n",
torture_type);
pr_alert("%s" TORTURE_FLAG
" Call or barrier ops missing for %s,\n",
torture_type, cur_ops->name);
pr_alert("%s" TORTURE_FLAG
" RCU barrier testing omitted from run.\n",
torture_type);
return 0;
}
atomic_set(&barrier_cbs_count, 0);
......@@ -1847,7 +1847,7 @@ rcu_torture_cleanup(void)
mutex_lock(&fullstop_mutex);
rcutorture_record_test_transition();
if (fullstop == FULLSTOP_SHUTDOWN) {
printk(KERN_WARNING /* but going down anyway, so... */
pr_warn(/* but going down anyway, so... */
"Concurrent 'rmmod rcutorture' and shutdown illegal!\n");
mutex_unlock(&fullstop_mutex);
schedule_timeout_uninterruptible(10);
......@@ -1971,17 +1971,17 @@ rcu_torture_init(void)
break;
}
if (i == ARRAY_SIZE(torture_ops)) {
printk(KERN_ALERT "rcu-torture: invalid torture type: \"%s\"\n",
torture_type);
printk(KERN_ALERT "rcu-torture types:");
pr_alert("rcu-torture: invalid torture type: \"%s\"\n",
torture_type);
pr_alert("rcu-torture types:");
for (i = 0; i < ARRAY_SIZE(torture_ops); i++)
printk(KERN_ALERT " %s", torture_ops[i]->name);
printk(KERN_ALERT "\n");
pr_alert(" %s", torture_ops[i]->name);
pr_alert("\n");
mutex_unlock(&fullstop_mutex);
return -EINVAL;
}
if (cur_ops->fqs == NULL && fqs_duration != 0) {
printk(KERN_ALERT "rcu-torture: ->fqs NULL and non-zero fqs_duration, fqs disabled.\n");
pr_alert("rcu-torture: ->fqs NULL and non-zero fqs_duration, fqs disabled.\n");
fqs_duration = 0;
}
if (cur_ops->init)
......
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