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-rw-r--r--kernel/printk.c5
-rw-r--r--kernel/sched.c18
-rw-r--r--kernel/time/tick-broadcast.c6
3 files changed, 18 insertions, 11 deletions
diff --git a/kernel/printk.c b/kernel/printk.c
index e2129e83fd7..625d240d7ad 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 4e2f6033565..8402944f715 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 57a1f02e5ec..67f80c26170 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);