diff -NurpP linux-2.6.38-vs2.3.0.37-rc8.1/kernel/vserver/context.c linux-2.6.38-vs2.3.0.37-rc8.2/kernel/vserver/context.c
--- linux-2.6.38-vs2.3.0.37-rc8.1/kernel/vserver/context.c	2011-01-31 22:46:59.000000000 +0100
+++ linux-2.6.38-vs2.3.0.37-rc8.2/kernel/vserver/context.c	2011-03-22 17:35:46.000000000 +0100
@@ -780,10 +780,10 @@ int vc_task_xid(uint32_t id)
 	if (id) {
 		struct task_struct *tsk;
 
-		read_lock(&tasklist_lock);
+		rcu_read_lock();
 		tsk = find_task_by_real_pid(id);
 		xid = (tsk) ? tsk->xid : -ESRCH;
-		read_unlock(&tasklist_lock);
+		rcu_read_unlock();
 	} else
 		xid = vx_current_xid();
 	return xid;
diff -NurpP linux-2.6.38-vs2.3.0.37-rc8.1/kernel/vserver/network.c linux-2.6.38-vs2.3.0.37-rc8.2/kernel/vserver/network.c
--- linux-2.6.38-vs2.3.0.37-rc8.1/kernel/vserver/network.c	2011-01-29 02:01:07.000000000 +0100
+++ linux-2.6.38-vs2.3.0.37-rc8.2/kernel/vserver/network.c	2011-03-22 17:36:23.000000000 +0100
@@ -518,10 +518,10 @@ int vc_task_nid(uint32_t id)
 	if (id) {
 		struct task_struct *tsk;
 
-		read_lock(&tasklist_lock);
+		rcu_read_lock();
 		tsk = find_task_by_real_pid(id);
 		nid = (tsk) ? tsk->nid : -ESRCH;
-		read_unlock(&tasklist_lock);
+		rcu_read_unlock();
 	} else
 		nid = nx_current_nid();
 	return nid;
diff -NurpP linux-2.6.38-vs2.3.0.37-rc8.1/kernel/vserver/signal.c linux-2.6.38-vs2.3.0.37-rc8.2/kernel/vserver/signal.c
--- linux-2.6.38-vs2.3.0.37-rc8.1/kernel/vserver/signal.c	2011-01-29 02:01:07.000000000 +0100
+++ linux-2.6.38-vs2.3.0.37-rc8.2/kernel/vserver/signal.c	2011-03-22 17:37:59.000000000 +0100
@@ -57,7 +57,9 @@ int vx_info_kill(struct vx_info *vxi, in
 		}
 		/* fallthrough */
 	default:
+		rcu_read_lock();
 		p = find_task_by_real_pid(pid);
+		rcu_read_unlock();
 		if (p) {
 			if (vx_task_xid(p) == vxi->vx_id)
 				retval = group_send_sig_info(sig, sip, p);
diff -NurpP linux-2.6.38-vs2.3.0.37-rc8.1/kernel/vserver/tag.c linux-2.6.38-vs2.3.0.37-rc8.2/kernel/vserver/tag.c
--- linux-2.6.38-vs2.3.0.37-rc8.1/kernel/vserver/tag.c	2011-01-29 02:01:07.000000000 +0100
+++ linux-2.6.38-vs2.3.0.37-rc8.2/kernel/vserver/tag.c	2011-03-22 17:43:07.000000000 +0100
@@ -45,10 +45,10 @@ int vc_task_tag(uint32_t id)
 
 	if (id) {
 		struct task_struct *tsk;
-		read_lock(&tasklist_lock);
+		rcu_read_lock();
 		tsk = find_task_by_real_pid(id);
 		tag = (tsk) ? tsk->tag : -ESRCH;
-		read_unlock(&tasklist_lock);
+		rcu_read_unlock();
 	} else
 		tag = dx_current_tag();
 	return tag;