3 files changed, 18 insertions, 11 deletions

diff --git a/kernel/printk.c b/kernel/printk.c
index e2129e83fd75..625d240d7ada 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -75,6 +75,8 @@ EXPORT_SYMBOL(oops_in_progress);
 static DECLARE_MUTEX(console_sem);
 static DECLARE_MUTEX(secondary_console_sem);
 struct console *console_drivers;
+EXPORT_SYMBOL_GPL(console_drivers);
+
 /*
  * This is used for debugging the mess that is the VT code by
  * keeping track if we have the console semaphore held. It's
@@ -121,6 +123,8 @@ struct console_cmdline
 static struct console_cmdline console_cmdline[MAX_CMDLINECONSOLES];
 static int selected_console = -1;
 static int preferred_console = -1;
+int console_set_on_cmdline;
+EXPORT_SYMBOL(console_set_on_cmdline);
 
 /* Flag: console code may call schedule() */
 static int console_may_schedule;
@@ -890,6 +894,7 @@ static int __init console_setup(char *str)
         *s = 0;
 
         __add_preferred_console(buf, idx, options, brl_options);
+        console_set_on_cmdline = 1;
         return 1;
 }
 __setup("console=", console_setup);
diff --git a/kernel/sched.c b/kernel/sched.c
index 4e2f60335656..8402944f715b 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -6539,9 +6539,9 @@ static int find_next_best_node(int node, nodemask_t *used_nodes)
 
         min_val = INT_MAX;
 
-        for (i = 0; i < MAX_NUMNODES; i++) {
+        for (i = 0; i < nr_node_ids; i++) {
                 /* Start at @node */
-                n = (node + i) % MAX_NUMNODES;
+                n = (node + i) % nr_node_ids;
 
                 if (!nr_cpus_node(n))
                         continue;
@@ -6735,7 +6735,7 @@ static void free_sched_groups(const cpumask_t *cpu_map, cpumask_t *nodemask)
                 if (!sched_group_nodes)
                         continue;
 
-                for (i = 0; i < MAX_NUMNODES; i++) {
+                for (i = 0; i < nr_node_ids; i++) {
                         struct sched_group *oldsg, *sg = sched_group_nodes[i];
 
                         *nodemask = node_to_cpumask(i);
@@ -6928,7 +6928,7 @@ static int __build_sched_domains(const cpumask_t *cpu_map,
         /*
          * Allocate the per-node list of sched groups
          */
-        sched_group_nodes = kcalloc(MAX_NUMNODES, sizeof(struct sched_group *),
+        sched_group_nodes = kcalloc(nr_node_ids, sizeof(struct sched_group *),
                                     GFP_KERNEL);
         if (!sched_group_nodes) {
                 printk(KERN_WARNING "Can not alloc sched group node list\n");
@@ -7067,7 +7067,7 @@ static int __build_sched_domains(const cpumask_t *cpu_map,
 #endif
 
         /* Set up physical groups */
-        for (i = 0; i < MAX_NUMNODES; i++) {
+        for (i = 0; i < nr_node_ids; i++) {
                 SCHED_CPUMASK_VAR(nodemask, allmasks);
                 SCHED_CPUMASK_VAR(send_covered, allmasks);
 
@@ -7091,7 +7091,7 @@ static int __build_sched_domains(const cpumask_t *cpu_map,
                                         send_covered, tmpmask);
         }
 
-        for (i = 0; i < MAX_NUMNODES; i++) {
+        for (i = 0; i < nr_node_ids; i++) {
                 /* Set up node groups */
                 struct sched_group *sg, *prev;
                 SCHED_CPUMASK_VAR(nodemask, allmasks);
@@ -7130,9 +7130,9 @@ static int __build_sched_domains(const cpumask_t *cpu_map,
                 cpus_or(*covered, *covered, *nodemask);
                 prev = sg;
 
-                for (j = 0; j < MAX_NUMNODES; j++) {
+                for (j = 0; j < nr_node_ids; j++) {
                         SCHED_CPUMASK_VAR(notcovered, allmasks);
-                        int n = (i + j) % MAX_NUMNODES;
+                        int n = (i + j) % nr_node_ids;
                         node_to_cpumask_ptr(pnodemask, n);
 
                         cpus_complement(*notcovered, *covered);
@@ -7185,7 +7185,7 @@ static int __build_sched_domains(const cpumask_t *cpu_map,
         }
 
 #ifdef CONFIG_NUMA
-        for (i = 0; i < MAX_NUMNODES; i++)
+        for (i = 0; i < nr_node_ids; i++)
                 init_numa_sched_groups_power(sched_group_nodes[i]);
 
         if (sd_allnodes) {
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index 57a1f02e5ec0..67f80c261709 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -30,6 +30,7 @@
 struct tick_device tick_broadcast_device;
 static cpumask_t tick_broadcast_mask;
 static DEFINE_SPINLOCK(tick_broadcast_lock);
+static int tick_broadcast_force;
 
 #ifdef CONFIG_TICK_ONESHOT
 static void tick_broadcast_clear_oneshot(int cpu);
@@ -232,10 +233,11 @@ static void tick_do_broadcast_on_off(void *why)
                                                      CLOCK_EVT_MODE_SHUTDOWN);
                 }
                 if (*reason == CLOCK_EVT_NOTIFY_BROADCAST_FORCE)
-                        dev->features |= CLOCK_EVT_FEAT_DUMMY;
+                        tick_broadcast_force = 1;
                 break;
         case CLOCK_EVT_NOTIFY_BROADCAST_OFF:
-                if (cpu_isset(cpu, tick_broadcast_mask)) {
+                if (!tick_broadcast_force &&
+                    cpu_isset(cpu, tick_broadcast_mask)) {
                         cpu_clear(cpu, tick_broadcast_mask);
                         if (td->mode == TICKDEV_MODE_PERIODIC)
                                 tick_setup_periodic(dev, 0);