6 files changed, 43 insertions, 52 deletions

diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index 917ab9525568..6e7351739a82 100644
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -734,9 +734,6 @@ int audit_tag_tree(char *old, char *new)
         dentry = dget(path.dentry);
         path_put(&path);
 
-        if (dentry == tagged->mnt_root && dentry == mnt->mnt_root)
-                follow_up(&mnt, &dentry);
-
         list_add_tail(&list, &tagged->mnt_list);
 
         mutex_lock(&audit_filter_mutex);
diff --git a/kernel/power/main.c b/kernel/power/main.c
index f172f41858bb..f99ed6a75eac 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -291,20 +291,26 @@ static int suspend_enter(suspend_state_t state)
 
         device_pm_lock();
 
+        if (suspend_ops->prepare) {
+                error = suspend_ops->prepare();
+                if (error)
+                        goto Done;
+        }
+
         error = device_power_down(PMSG_SUSPEND);
         if (error) {
                 printk(KERN_ERR "PM: Some devices failed to power down\n");
-                goto Done;
+                goto Platfrom_finish;
         }
 
-        if (suspend_ops->prepare) {
-                error = suspend_ops->prepare();
+        if (suspend_ops->prepare_late) {
+                error = suspend_ops->prepare_late();
                 if (error)
                         goto Power_up_devices;
         }
 
         if (suspend_test(TEST_PLATFORM))
-                goto Platfrom_finish;
+                goto Platform_wake;
 
         error = disable_nonboot_cpus();
         if (error || suspend_test(TEST_CPUS))
@@ -326,13 +332,17 @@ static int suspend_enter(suspend_state_t state)
  Enable_cpus:
         enable_nonboot_cpus();
 
- Platfrom_finish:
-        if (suspend_ops->finish)
-                suspend_ops->finish();
+ Platform_wake:
+        if (suspend_ops->wake)
+                suspend_ops->wake();
 
  Power_up_devices:
         device_power_up(PMSG_RESUME);
 
+ Platfrom_finish:
+        if (suspend_ops->finish)
+                suspend_ops->finish();
+
  Done:
         device_pm_unlock();
 
diff --git a/kernel/resource.c b/kernel/resource.c
index fd5d7d574bb9..ac5f3a36923f 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -533,43 +533,21 @@ static void __init __reserve_region_with_split(struct resource *root,
         res->end = end;
         res->flags = IORESOURCE_BUSY;
 
-        for (;;) {
-                conflict = __request_resource(parent, res);
-                if (!conflict)
-                        break;
-                if (conflict != parent) {
-                        parent = conflict;
-                        if (!(conflict->flags & IORESOURCE_BUSY))
-                                continue;
-                }
-
-                /* Uhhuh, that didn't work out.. */
-                kfree(res);
-                res = NULL;
-                break;
-        }
-
-        if (!res) {
-                /* failed, split and try again */
-
-                /* conflict covered whole area */
-                if (conflict->start <= start && conflict->end >= end)
-                        return;
+        conflict = __request_resource(parent, res);
+        if (!conflict)
+                return;
 
-                if (conflict->start > start)
-                        __reserve_region_with_split(root, start, conflict->start-1, name);
-                if (!(conflict->flags & IORESOURCE_BUSY)) {
-                        resource_size_t common_start, common_end;
+        /* failed, split and try again */
+        kfree(res);
 
-                        common_start = max(conflict->start, start);
-                        common_end = min(conflict->end, end);
-                        if (common_start < common_end)
-                                __reserve_region_with_split(root, common_start, common_end, name);
-                }
-                if (conflict->end < end)
-                        __reserve_region_with_split(root, conflict->end+1, end, name);
-        }
+        /* conflict covered whole area */
+        if (conflict->start <= start && conflict->end >= end)
+                return;
 
+        if (conflict->start > start)
+                __reserve_region_with_split(root, start, conflict->start-1, name);
+        if (conflict->end < end)
+                __reserve_region_with_split(root, conflict->end+1, end, name);
 }
 
 void __init reserve_region_with_split(struct resource *root,
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index c46c931a7fe7..ecfd7b5187e0 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -181,12 +181,12 @@ static void clocksource_watchdog(unsigned long data)
 
         resumed = test_and_clear_bit(0, &watchdog_resumed);
 
-        wdnow = watchdog->read();
+        wdnow = watchdog->read(watchdog);
         wd_nsec = cyc2ns(watchdog, (wdnow - watchdog_last) & watchdog->mask);
         watchdog_last = wdnow;
 
         list_for_each_entry_safe(cs, tmp, &watchdog_list, wd_list) {
-                csnow = cs->read();
+                csnow = cs->read(cs);
 
                 if (unlikely(resumed)) {
                         cs->wd_last = csnow;
@@ -247,7 +247,7 @@ static void clocksource_check_watchdog(struct clocksource *cs)
 
                 list_add(&cs->wd_list, &watchdog_list);
                 if (!started && watchdog) {
-                        watchdog_last = watchdog->read();
+                        watchdog_last = watchdog->read(watchdog);
                         watchdog_timer.expires = jiffies + WATCHDOG_INTERVAL;
                         add_timer_on(&watchdog_timer,
                                      cpumask_first(cpu_online_mask));
@@ -268,7 +268,7 @@ static void clocksource_check_watchdog(struct clocksource *cs)
                                 cse->flags &= ~CLOCK_SOURCE_WATCHDOG;
                         /* Start if list is not empty */
                         if (!list_empty(&watchdog_list)) {
-                                watchdog_last = watchdog->read();
+                                watchdog_last = watchdog->read(watchdog);
                                 watchdog_timer.expires =
                                         jiffies + WATCHDOG_INTERVAL;
                                 add_timer_on(&watchdog_timer,
diff --git a/kernel/time/jiffies.c b/kernel/time/jiffies.c
index 06f197560f3b..c3f6c30816e3 100644
--- a/kernel/time/jiffies.c
+++ b/kernel/time/jiffies.c
@@ -50,7 +50,7 @@
  */
 #define JIFFIES_SHIFT   8
 
-static cycle_t jiffies_read(void)
+static cycle_t jiffies_read(struct clocksource *cs)
 {
         return (cycle_t) jiffies;
 }
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 900f1b6598d1..687dff49f6e7 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -182,7 +182,7 @@ EXPORT_SYMBOL(do_settimeofday);
  */
 static void change_clocksource(void)
 {
-        struct clocksource *new;
+        struct clocksource *new, *old;
 
         new = clocksource_get_next();
 
@@ -191,11 +191,16 @@ static void change_clocksource(void)
 
         clocksource_forward_now();
 
-        new->raw_time = clock->raw_time;
+        if (clocksource_enable(new))
+                return;
 
+        new->raw_time = clock->raw_time;
+        old = clock;
         clock = new;
+        clocksource_disable(old);
+
         clock->cycle_last = 0;
-        clock->cycle_last = clocksource_read(new);
+        clock->cycle_last = clocksource_read(clock);
         clock->error = 0;
         clock->xtime_nsec = 0;
         clocksource_calculate_interval(clock, NTP_INTERVAL_LENGTH);
@@ -292,6 +297,7 @@ void __init timekeeping_init(void)
         ntp_init();
 
         clock = clocksource_get_next();
+        clocksource_enable(clock);
         clocksource_calculate_interval(clock, NTP_INTERVAL_LENGTH);
         clock->cycle_last = clocksource_read(clock);