rcu: Mark Hierarchical RCU no longer experimental

Removes the warnings about Hierarchical RCU being experimental,
given that it has gone through almost six months of being the
default RCU in mainline for the x86 with very little trouble.

This makes hierarchical-RCU bootup look less scary.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: akpm@linux-foundation.org
Cc: niv@us.ibm.com
Cc: dvhltc@us.ibm.com
Cc: dipankar@in.ibm.com
Cc: dhowells@redhat.com
Cc: lethal@linux-sh.org
Cc: kernel@wantstofly.org
Cc: cl@linux-foundation.org
Cc: schamp@sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 2 deletions

diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index 0dccfbba6d26..7717b95c2027 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -1533,7 +1533,7 @@ void __init __rcu_init(void)
         int j;
         struct rcu_node *rnp;
 
-        printk(KERN_WARNING "Experimental hierarchical RCU implementation.\n");
+        printk(KERN_INFO "Hierarchical RCU implementation.\n");
 #ifdef CONFIG_RCU_CPU_STALL_DETECTOR
         printk(KERN_INFO "RCU-based detection of stalled CPUs is enabled.\n");
 #endif /* #ifdef CONFIG_RCU_CPU_STALL_DETECTOR */
@@ -1546,7 +1546,6 @@ void __init __rcu_init(void)
                 rcu_cpu_notify(&rcu_nb, CPU_UP_PREPARE, (void *)(long)i);
         /* Register notifier for non-boot CPUs */
         register_cpu_notifier(&rcu_nb);
-        printk(KERN_WARNING "Experimental hierarchical RCU init done.\n");
 }
 
 module_param(blimit, int, 0);