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>

diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index 0dccfbba6d267ad59b62314d665a3a91b3104252..7717b95c202782d2af38837fc09dc475a5f845bb 100644 (file)
--- 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);