[WATCHDOG] Use DIV_ROUND_UP() macro in the coh901327 WDT

[safe/jmp/linux-2.6] / kernel / rcutree_trace.c

diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c
index ea4a474..0ea1bff 100644 (file)
--- a/kernel/rcutree_trace.c
+++ b/kernel/rcutree_trace.c
@@ -77,6 +77,10 @@ static void print_one_rcu_data(struct seq_file *m, struct rcu_data *rdp)
 
 static int show_rcudata(struct seq_file *m, void *unused)
 {
+#ifdef CONFIG_TREE_PREEMPT_RCU
+       seq_puts(m, "rcu_preempt:\n");
+       PRINT_RCU_DATA(rcu_preempt_data, print_one_rcu_data, m);
+#endif /* #ifdef CONFIG_TREE_PREEMPT_RCU */
        seq_puts(m, "rcu_sched:\n");
        PRINT_RCU_DATA(rcu_sched_data, print_one_rcu_data, m);
        seq_puts(m, "rcu_bh:\n");
@@ -125,6 +129,10 @@ static int show_rcudata_csv(struct seq_file *m, void *unused)
        seq_puts(m, "\"dt\",\"dt nesting\",\"dn\",\"df\",");
 #endif /* #ifdef CONFIG_NO_HZ */
        seq_puts(m, "\"of\",\"ri\",\"ql\",\"b\"\n");
+#ifdef CONFIG_TREE_PREEMPT_RCU
+       seq_puts(m, "\"rcu_preempt:\"\n");
+       PRINT_RCU_DATA(rcu_preempt_data, print_one_rcu_data_csv, m);
+#endif /* #ifdef CONFIG_TREE_PREEMPT_RCU */
        seq_puts(m, "\"rcu_sched:\"\n");
        PRINT_RCU_DATA(rcu_sched_data, print_one_rcu_data_csv, m);
        seq_puts(m, "\"rcu_bh:\"\n");
@@ -172,6 +180,10 @@ static void print_one_rcu_state(struct seq_file *m, struct rcu_state *rsp)
 
 static int show_rcuhier(struct seq_file *m, void *unused)
 {
+#ifdef CONFIG_TREE_PREEMPT_RCU
+       seq_puts(m, "rcu_preempt:\n");
+       print_one_rcu_state(m, &rcu_preempt_state);
+#endif /* #ifdef CONFIG_TREE_PREEMPT_RCU */
        seq_puts(m, "rcu_sched:\n");
        print_one_rcu_state(m, &rcu_sched_state);
        seq_puts(m, "rcu_bh:\n");
@@ -194,6 +206,10 @@ static struct file_operations rcuhier_fops = {
 
 static int show_rcugp(struct seq_file *m, void *unused)
 {
+#ifdef CONFIG_TREE_PREEMPT_RCU
+       seq_printf(m, "rcu_preempt: completed=%ld  gpnum=%ld\n",
+                  rcu_preempt_state.completed, rcu_preempt_state.gpnum);
+#endif /* #ifdef CONFIG_TREE_PREEMPT_RCU */
        seq_printf(m, "rcu_sched: completed=%ld  gpnum=%ld\n",
                   rcu_sched_state.completed, rcu_sched_state.gpnum);
        seq_printf(m, "rcu_bh: completed=%ld  gpnum=%ld\n",
@@ -244,6 +260,10 @@ static void print_rcu_pendings(struct seq_file *m, struct rcu_state *rsp)
 
 static int show_rcu_pending(struct seq_file *m, void *unused)
 {
+#ifdef CONFIG_TREE_PREEMPT_RCU
+       seq_puts(m, "rcu_preempt:\n");
+       print_rcu_pendings(m, &rcu_preempt_state);
+#endif /* #ifdef CONFIG_TREE_PREEMPT_RCU */
        seq_puts(m, "rcu_sched:\n");
        print_rcu_pendings(m, &rcu_sched_state);
        seq_puts(m, "rcu_bh:\n");
@@ -265,62 +285,47 @@ static struct file_operations rcu_pending_fops = {
 };
 
 static struct dentry *rcudir;
-static struct dentry *datadir;
-static struct dentry *datadir_csv;
-static struct dentry *gpdir;
-static struct dentry *hierdir;
-static struct dentry *rcu_pendingdir;
 
 static int __init rcuclassic_trace_init(void)
 {
+       struct dentry *retval;
+
        rcudir = debugfs_create_dir("rcu", NULL);
        if (!rcudir)
-               goto out;
+               goto free_out;
 
-       datadir = debugfs_create_file("rcudata", 0444, rcudir,
+       retval = debugfs_create_file("rcudata", 0444, rcudir,
                                                NULL, &rcudata_fops);
-       if (!datadir)
+       if (!retval)
                goto free_out;
 
-       datadir_csv = debugfs_create_file("rcudata.csv", 0444, rcudir,
+       retval = debugfs_create_file("rcudata.csv", 0444, rcudir,
                                                NULL, &rcudata_csv_fops);
-       if (!datadir_csv)
+       if (!retval)
                goto free_out;
 
-       gpdir = debugfs_create_file("rcugp", 0444, rcudir, NULL, &rcugp_fops);
-       if (!gpdir)
+       retval = debugfs_create_file("rcugp", 0444, rcudir, NULL, &rcugp_fops);
+       if (!retval)
                goto free_out;
 
-       hierdir = debugfs_create_file("rcuhier", 0444, rcudir,
+       retval = debugfs_create_file("rcuhier", 0444, rcudir,
                                                NULL, &rcuhier_fops);
-       if (!hierdir)
+       if (!retval)
                goto free_out;
 
-       rcu_pendingdir = debugfs_create_file("rcu_pending", 0444, rcudir,
+       retval = debugfs_create_file("rcu_pending", 0444, rcudir,
                                                NULL, &rcu_pending_fops);
-       if (!rcu_pendingdir)
+       if (!retval)
                goto free_out;
        return 0;
 free_out:
-       if (datadir)
-               debugfs_remove(datadir);
-       if (datadir_csv)
-               debugfs_remove(datadir_csv);
-       if (gpdir)
-               debugfs_remove(gpdir);
-       debugfs_remove(rcudir);
-out:
+       debugfs_remove_recursive(rcudir);
        return 1;
 }
 
 static void __exit rcuclassic_trace_cleanup(void)
 {
-       debugfs_remove(datadir);
-       debugfs_remove(datadir_csv);
-       debugfs_remove(gpdir);
-       debugfs_remove(hierdir);
-       debugfs_remove(rcu_pendingdir);
-       debugfs_remove(rcudir);
+       debugfs_remove_recursive(rcudir);
 }