rcu: split 'rcuboost' to each flavor
This patch add new 'rcuboost' to each flavor's folder, now we could use:
'cat /debugfs/rcu/rsp/rcuboost'
to get the selected rsp info.
Signed-off-by: Michael Wang <wangyun@linux.vnet.ibm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c
index 65b6265..cae417d 100644
--- a/kernel/rcutree_trace.c
+++ b/kernel/rcutree_trace.c
@@ -241,7 +241,7 @@
.owner = THIS_MODULE,
.open = rcu_node_boost_open,
.read = seq_read,
- .llseek = seq_lseek,
+ .llseek = no_llseek,
.release = single_release,
};
@@ -459,6 +459,15 @@
rspdir, rsp, &new_rcubarrier_fops);
if (!retval)
goto free_out;
+
+#ifdef CONFIG_RCU_BOOST
+ if (rsp == &rcu_preempt_state) {
+ retval = debugfs_create_file("rcuboost", 0444,
+ rspdir, NULL, &rcu_node_boost_fops);
+ if (!retval)
+ goto free_out;
+ }
+#endif
}
retval = debugfs_create_file("rcubarrier", 0444, rcudir,
