Merge branch 'x86/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'x86/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (821 commits)
  x86: make 64bit hpet_set_mapping to use ioremap too, v2
  x86: get x86_phys_bits early
  x86: max_low_pfn_mapped fix #4
  x86: change _node_to_cpumask_ptr to return const ptr
  x86: I/O APIC: remove an IRQ2-mask hack
  x86: fix numaq_tsc_disable calling
  x86, e820: remove end_user_pfn
  x86: max_low_pfn_mapped fix, #3
  x86: max_low_pfn_mapped fix, #2
  x86: max_low_pfn_mapped fix, #1
  x86_64: fix delayed signals
  x86: remove conflicting nx6325 and nx6125 quirks
  x86: Recover timer_ack lost in the merge of the NMI watchdog
  x86: I/O APIC: Never configure IRQ2
  x86: L-APIC: Always fully configure IRQ0
  x86: L-APIC: Set IRQ0 as edge-triggered
  x86: merge dwarf2 headers
  x86: use AS_CFI instead of UNWIND_INFO
  x86: use ignore macro instead of hash comment
  x86: use matching CFI_ENDPROC
  ...

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);

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) {

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);