26 files changed, 192 insertions, 197 deletions

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 359955800dd2..628c7ac590a0 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -739,28 +739,26 @@ static inline void audit_free_context(struct audit_context *context)
 void audit_log_task_context(struct audit_buffer *ab)
 {
         char *ctx = NULL;
-        ssize_t len = 0;
+        unsigned len;
+        int error;
+        u32 sid;
+
+        selinux_get_task_sid(current, &sid);
+        if (!sid)
+                return;
 
-        len = security_getprocattr(current, "current", NULL, 0);
-        if (len < 0) {
-                if (len != -EINVAL)
+        error = selinux_sid_to_string(sid, &ctx, &len);
+        if (error) {
+                if (error != -EINVAL)
                         goto error_path;
                 return;
         }
 
-        ctx = kmalloc(len, GFP_KERNEL);
-        if (!ctx)
-                goto error_path;
-
-        len = security_getprocattr(current, "current", ctx, len);
-        if (len < 0 )
-                goto error_path;
-
         audit_log_format(ab, " subj=%s", ctx);
+        kfree(ctx);
         return;
 
 error_path:
-        kfree(ctx);
         audit_panic("error in audit_log_task_context");
         return;
 }
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 3d4206ada5c9..36e70845cfc3 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -254,6 +254,12 @@ int __cpuinit cpu_up(unsigned int cpu)
 }
 
 #ifdef CONFIG_SUSPEND_SMP
+/* Needed to prevent the microcode driver from requesting firmware in its CPU
+ * hotplug notifier during the suspend/resume.
+ */
+int suspend_cpu_hotplug;
+EXPORT_SYMBOL(suspend_cpu_hotplug);
+
 static cpumask_t frozen_cpus;
 
 int disable_nonboot_cpus(void)
@@ -261,16 +267,8 @@ int disable_nonboot_cpus(void)
         int cpu, first_cpu, error = 0;
 
         mutex_lock(&cpu_add_remove_lock);
-        first_cpu = first_cpu(cpu_present_map);
-        if (!cpu_online(first_cpu)) {
-                error = _cpu_up(first_cpu);
-                if (error) {
-                        printk(KERN_ERR "Could not bring CPU%d up.\n",
-                                first_cpu);
-                        goto out;
-                }
-        }
-
+        suspend_cpu_hotplug = 1;
+        first_cpu = first_cpu(cpu_online_map);
         /* We take down all of the non-boot CPUs in one shot to avoid races
          * with the userspace trying to use the CPU hotplug at the same time
          */
@@ -296,7 +294,7 @@ int disable_nonboot_cpus(void)
         } else {
                 printk(KERN_ERR "Non-boot CPUs are not disabled\n");
         }
-out:
+        suspend_cpu_hotplug = 0;
         mutex_unlock(&cpu_add_remove_lock);
         return error;
 }
@@ -308,20 +306,22 @@ void enable_nonboot_cpus(void)
         /* Allow everyone to use the CPU hotplug again */
         mutex_lock(&cpu_add_remove_lock);
         cpu_hotplug_disabled = 0;
-        mutex_unlock(&cpu_add_remove_lock);
         if (cpus_empty(frozen_cpus))
-                return;
+                goto out;
 
+        suspend_cpu_hotplug = 1;
         printk("Enabling non-boot CPUs ...\n");
         for_each_cpu_mask(cpu, frozen_cpus) {
-                error = cpu_up(cpu);
+                error = _cpu_up(cpu);
                 if (!error) {
                         printk("CPU%d is up\n", cpu);
                         continue;
                 }
-                printk(KERN_WARNING "Error taking CPU%d up: %d\n",
-                        cpu, error);
+                printk(KERN_WARNING "Error taking CPU%d up: %d\n", cpu, error);
         }
         cpus_clear(frozen_cpus);
+        suspend_cpu_hotplug = 0;
+out:
+        mutex_unlock(&cpu_add_remove_lock);
 }
 #endif
diff --git a/kernel/exit.c b/kernel/exit.c
index f132349c0325..b55ed4cc9104 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -790,7 +790,7 @@ static void exit_notify(struct task_struct *tsk)
         
         pgrp = task_pgrp(tsk);
         if ((task_pgrp(t) != pgrp) &&
-            (task_session(t) != task_session(tsk)) &&
+            (task_session(t) == task_session(tsk)) &&
             will_become_orphaned_pgrp(pgrp, tsk) &&
             has_stopped_jobs(pgrp)) {
                 __kill_pgrp_info(SIGHUP, SEND_SIG_PRIV, pgrp);
diff --git a/kernel/fork.c b/kernel/fork.c
index d154cc786489..6af959c034d8 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -933,8 +933,8 @@ asmlinkage long sys_set_tid_address(int __user *tidptr)
 
 static inline void rt_mutex_init_task(struct task_struct *p)
 {
-#ifdef CONFIG_RT_MUTEXES
         spin_lock_init(&p->pi_lock);
+#ifdef CONFIG_RT_MUTEXES
         plist_head_init(&p->pi_waiters, &p->pi_lock);
         p->pi_blocked_on = NULL;
 #endif
diff --git a/kernel/futex.c b/kernel/futex.c
index e749e7df14b1..5a270b5e3f95 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -565,6 +565,7 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_q *this)
         if (!pi_state)
                 return -EINVAL;
 
+        spin_lock(&pi_state->pi_mutex.wait_lock);
         new_owner = rt_mutex_next_owner(&pi_state->pi_mutex);
 
         /*
@@ -604,6 +605,7 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_q *this)
         pi_state->owner = new_owner;
         spin_unlock_irq(&new_owner->pi_lock);
 
+        spin_unlock(&pi_state->pi_mutex.wait_lock);
         rt_mutex_unlock(&pi_state->pi_mutex);
 
         return 0;
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index ec4cb9f3e3b7..b74860aaf5f1 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -135,7 +135,7 @@ EXPORT_SYMBOL_GPL(ktime_get_ts);
 static void hrtimer_get_softirq_time(struct hrtimer_cpu_base *base)
 {
         ktime_t xtim, tomono;
-        struct timespec xts;
+        struct timespec xts, tom;
         unsigned long seq;
 
         do {
@@ -145,10 +145,11 @@ static void hrtimer_get_softirq_time(struct hrtimer_cpu_base *base)
 #else
                 xts = xtime;
 #endif
+                tom = wall_to_monotonic;
         } while (read_seqretry(&xtime_lock, seq));
 
         xtim = timespec_to_ktime(xts);
-        tomono = timespec_to_ktime(wall_to_monotonic);
+        tomono = timespec_to_ktime(tom);
         base->clock_base[CLOCK_REALTIME].softirq_time = xtim;
         base->clock_base[CLOCK_MONOTONIC].softirq_time =
                 ktime_add(xtim, tomono);
@@ -458,6 +459,18 @@ void clock_was_set(void)
 }
 
 /*
+ * During resume we might have to reprogram the high resolution timer
+ * interrupt (on the local CPU):
+ */
+void hres_timers_resume(void)
+{
+        WARN_ON_ONCE(num_online_cpus() > 1);
+
+        /* Retrigger the CPU local events: */
+        retrigger_next_event(NULL);
+}
+
+/*
  * Check, whether the timer is on the callback pending list
  */
 static inline int hrtimer_cb_pending(const struct hrtimer *timer)
@@ -644,6 +657,12 @@ hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval)
                 orun++;
         }
         timer->expires = ktime_add(timer->expires, interval);
+        /*
+         * Make sure, that the result did not wrap with a very large
+         * interval.
+         */
+        if (timer->expires.tv64 < 0)
+                timer->expires = ktime_set(KTIME_SEC_MAX, 0);
 
         return orun;
 }
@@ -807,7 +826,12 @@ hrtimer_start(struct hrtimer *timer, ktime_t tim, const enum hrtimer_mode mode)
 
         timer_stats_hrtimer_set_start_info(timer);
 
-        enqueue_hrtimer(timer, new_base, base == new_base);
+        /*
+         * Only allow reprogramming if the new base is on this CPU.
+         * (it might still be on another CPU if the timer was pending)
+         */
+        enqueue_hrtimer(timer, new_base,
+                        new_base->cpu_base == &__get_cpu_var(hrtimer_bases));
 
         unlock_hrtimer_base(timer, &flags);
 
diff --git a/kernel/irq/devres.c b/kernel/irq/devres.c
index 85a430da0fb6..d8ee241115f5 100644
--- a/kernel/irq/devres.c
+++ b/kernel/irq/devres.c
@@ -54,7 +54,7 @@ int devm_request_irq(struct device *dev, unsigned int irq,
 
         rc = request_irq(irq, handler, irqflags, devname, dev_id);
         if (rc) {
-                kfree(dr);
+                devres_free(dr);
                 return rc;
         }
 
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 8dc24c92dc6d..7065a687ac54 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -2742,6 +2742,10 @@ void debug_show_all_locks(void)
         int count = 10;
         int unlock = 1;
 
+        if (unlikely(!debug_locks)) {
+                printk("INFO: lockdep is turned off.\n");
+                return;
+        }
         printk("\nShowing all locks held in the system:\n");
 
         /*
@@ -2785,6 +2789,10 @@ EXPORT_SYMBOL_GPL(debug_show_all_locks);
 
 void debug_show_held_locks(struct task_struct *task)
 {
+        if (unlikely(!debug_locks)) {
+                printk("INFO: lockdep is turned off.\n");
+                return;
+        }
         lockdep_print_held_locks(task);
 }
 
diff --git a/kernel/module.c b/kernel/module.c
index f77e893e4620..dcdb32b8b13c 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2384,8 +2384,13 @@ void module_add_driver(struct module *mod, struct device_driver *drv)
 
                 /* Lookup built-in module entry in /sys/modules */
                 mkobj = kset_find_obj(&module_subsys.kset, drv->mod_name);
-                if (mkobj)
+                if (mkobj) {
                         mk = container_of(mkobj, struct module_kobject, kobj);
+                        /* remember our module structure */
+                        drv->mkobj = mk;
+                        /* kset_find_obj took a reference */
+                        kobject_put(mkobj);
+                }
         }
 
         if (!mk)
@@ -2405,26 +2410,25 @@ EXPORT_SYMBOL(module_add_driver);
 
 void module_remove_driver(struct device_driver *drv)
 {
+        struct module_kobject *mk = NULL;
         char *driver_name;
 
         if (!drv)
                 return;
 
         sysfs_remove_link(&drv->kobj, "module");
-        if (drv->owner && drv->owner->mkobj.drivers_dir) {
+
+        if (drv->owner)
+                mk = &drv->owner->mkobj;
+        else if (drv->mkobj)
+                mk = drv->mkobj;
+        if (mk && mk->drivers_dir) {
                 driver_name = make_driver_name(drv);
                 if (driver_name) {
-                        sysfs_remove_link(drv->owner->mkobj.drivers_dir,
-                                          driver_name);
+                        sysfs_remove_link(mk->drivers_dir, driver_name);
                         kfree(driver_name);
                 }
         }
-        /*
-         * Undo the additional reference we added in module_add_driver()
-         * via kset_find_obj()
-         */
-        if (drv->mod_name)
-                kobject_put(&drv->kobj);
 }
 EXPORT_SYMBOL(module_remove_driver);
 #endif
diff --git a/kernel/power/console.c b/kernel/power/console.c
index 623786d44159..89bcf4973ee5 100644
--- a/kernel/power/console.c
+++ b/kernel/power/console.c
@@ -27,7 +27,15 @@ int pm_prepare_console(void)
                 return 1;
         }
 
-        set_console(SUSPEND_CONSOLE);
+        if (set_console(SUSPEND_CONSOLE)) {
+                /*
+                 * We're unable to switch to the SUSPEND_CONSOLE.
+                 * Let the calling function know so it can decide
+                 * what to do.
+                 */
+                release_console_sem();
+                return 1;
+        }
         release_console_sem();
 
         if (vt_waitactive(SUSPEND_CONSOLE)) {
diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index 406b20adb27a..aec19b063e3f 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -240,12 +240,6 @@ static int software_resume(void)
                 goto Done;
         }
 
-        error = platform_prepare();
-        if (error) {
-                swsusp_free();
-                goto Thaw;
-        }
-
         pr_debug("PM: Reading swsusp image.\n");
 
         error = swsusp_read();
@@ -268,7 +262,6 @@ static int software_resume(void)
         enable_nonboot_cpus();
  Free:
         swsusp_free();
-        platform_finish();
         device_resume();
         resume_console();
  Thaw:
diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c
index 7fb834397a0d..175370824f37 100644
--- a/kernel/power/swsusp.c
+++ b/kernel/power/swsusp.c
@@ -229,13 +229,13 @@ int swsusp_shrink_memory(void)
                 size += highmem_size;
                 for_each_zone (zone)
                         if (populated_zone(zone)) {
+                                tmp += snapshot_additional_pages(zone);
                                 if (is_highmem(zone)) {
                                         highmem_size -=
                                         zone_page_state(zone, NR_FREE_PAGES);
                                 } else {
                                         tmp -= zone_page_state(zone, NR_FREE_PAGES);
                                         tmp += zone->lowmem_reserve[ZONE_NORMAL];
-                                        tmp += snapshot_additional_pages(zone);
                                 }
                         }
 
diff --git a/kernel/power/user.c b/kernel/power/user.c
index dd09efe7df54..7cf6713b2325 100644
--- a/kernel/power/user.c
+++ b/kernel/power/user.c
@@ -368,9 +368,12 @@ static int snapshot_ioctl(struct inode *inode, struct file *filp,
                 if (error) {
                         printk(KERN_ERR "Failed to suspend some devices.\n");
                 } else {
-                        /* Enter S3, system is already frozen */
-                        suspend_enter(PM_SUSPEND_MEM);
-
+                        error = disable_nonboot_cpus();
+                        if (!error) {
+                                /* Enter S3, system is already frozen */
+                                suspend_enter(PM_SUSPEND_MEM);
+                                enable_nonboot_cpus();
+                        }
                         /* Wake up devices */
                         device_resume();
                 }
diff --git a/kernel/sched.c b/kernel/sched.c
index a4ca632c477c..b9a683730148 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4687,32 +4687,10 @@ out_unlock:
         return retval;
 }
 
-static inline struct task_struct *eldest_child(struct task_struct *p)
-{
-        if (list_empty(&p->children))
-                return NULL;
-        return list_entry(p->children.next,struct task_struct,sibling);
-}
-
-static inline struct task_struct *older_sibling(struct task_struct *p)
-{
-        if (p->sibling.prev==&p->parent->children)
-                return NULL;
-        return list_entry(p->sibling.prev,struct task_struct,sibling);
-}
-
-static inline struct task_struct *younger_sibling(struct task_struct *p)
-{
-        if (p->sibling.next==&p->parent->children)
-                return NULL;
-        return list_entry(p->sibling.next,struct task_struct,sibling);
-}
-
 static const char stat_nam[] = "RSDTtZX";
 
 static void show_task(struct task_struct *p)
 {
-        struct task_struct *relative;
         unsigned long free = 0;
         unsigned state;
 
@@ -4738,19 +4716,7 @@ static void show_task(struct task_struct *p)
                 free = (unsigned long)n - (unsigned long)end_of_stack(p);
         }
 #endif
-        printk("%5lu %5d %6d ", free, p->pid, p->parent->pid);
-        if ((relative = eldest_child(p)))
-                printk("%5d ", relative->pid);
-        else
-                printk("      ");
-        if ((relative = younger_sibling(p)))
-                printk("%7d", relative->pid);
-        else
-                printk("       ");
-        if ((relative = older_sibling(p)))
-                printk(" %5d", relative->pid);
-        else
-                printk("      ");
+        printk("%5lu %5d %6d", free, p->pid, p->parent->pid);
         if (!p->mm)
                 printk(" (L-TLB)\n");
         else
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 34b2301276ce..1b255df4fcd0 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -846,7 +846,8 @@ static ctl_table vm_table[] = {
                 .extra2         = &one_hundred,
         },
 #endif
-#ifdef CONFIG_X86_32
+#if defined(CONFIG_X86_32) || \
+   (defined(CONFIG_SUPERH) && defined(CONFIG_VSYSCALL))
         {
                 .ctl_name       = VM_VDSO_ENABLED,
                 .procname       = "vdso_enabled",
diff --git a/kernel/time.c b/kernel/time.c
index c6c80ea5d0ea..2f47888e46c9 100644
--- a/kernel/time.c
+++ b/kernel/time.c
@@ -635,6 +635,7 @@ timeval_to_jiffies(const struct timeval *value)
                 (((u64)usec * USEC_CONVERSION + USEC_ROUND) >>
                  (USEC_JIFFIE_SC - SEC_JIFFIE_SC))) >> SEC_JIFFIE_SC;
 }
+EXPORT_SYMBOL(timeval_to_jiffies);
 
 void jiffies_to_timeval(const unsigned long jiffies, struct timeval *value)
 {
@@ -649,6 +650,7 @@ void jiffies_to_timeval(const unsigned long jiffies, struct timeval *value)
         tv_usec /= NSEC_PER_USEC;
         value->tv_usec = tv_usec;
 }
+EXPORT_SYMBOL(jiffies_to_timeval);
 
 /*
  * Convert jiffies/jiffies_64 to clock_t and back.
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index 67932ea78c17..76212b2a99de 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -274,72 +274,3 @@ void clockevents_notify(unsigned long reason, void *arg)
 }
 EXPORT_SYMBOL_GPL(clockevents_notify);
 
-#ifdef CONFIG_SYSFS
-
-/**
- * clockevents_show_registered - sysfs interface for listing clockevents
- * @dev:        unused
- * @buf:        char buffer to be filled with clock events list
- *
- * Provides sysfs interface for listing registered clock event devices
- */
-static ssize_t clockevents_show_registered(struct sys_device *dev, char *buf)
-{
-        struct list_head *tmp;
-        char *p = buf;
-        int cpu;
-
-        spin_lock(&clockevents_lock);
-
-        list_for_each(tmp, &clockevent_devices) {
-                struct clock_event_device *ce;
-
-                ce = list_entry(tmp, struct clock_event_device, list);
-                p += sprintf(p, "%-20s F:%04x M:%d", ce->name,
-                             ce->features, ce->mode);
-                p += sprintf(p, " C:");
-                if (!cpus_equal(ce->cpumask, cpu_possible_map)) {
-                        for_each_cpu_mask(cpu, ce->cpumask)
-                                p += sprintf(p, " %d", cpu);
-                } else {
-                        /*
-                         * FIXME: Add the cpu which is handling this sucker
-                         */
-                }
-                p += sprintf(p, "\n");
-        }
-
-        spin_unlock(&clockevents_lock);
-
-        return p - buf;
-}
-
-/*
- * Sysfs setup bits:
- */
-static SYSDEV_ATTR(registered, 0600,
-                   clockevents_show_registered, NULL);
-
-static struct sysdev_class clockevents_sysclass = {
-        set_kset_name("clockevents"),
-};
-
-static struct sys_device clockevents_sys_device = {
-        .id     = 0,
-        .cls    = &clockevents_sysclass,
-};
-
-static int __init clockevents_sysfs_init(void)
-{
-        int error = sysdev_class_register(&clockevents_sysclass);
-
-        if (!error)
-                error = sysdev_register(&clockevents_sys_device);
-        if (!error)
-                error = sysdev_create_file(
-                                &clockevents_sys_device,
-                                &attr_registered);
-        return error;
-}
-device_initcall(clockevents_sysfs_init);
-#endif
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 5b0e46b56fd0..fe5c7db24247 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -151,7 +151,8 @@ static void clocksource_check_watchdog(struct clocksource *cs)
                         watchdog_timer.expires = jiffies + WATCHDOG_INTERVAL;
                         add_timer(&watchdog_timer);
                 }
-        } else if (cs->flags & CLOCK_SOURCE_IS_CONTINUOUS) {
+        } else {
+                if (cs->flags & CLOCK_SOURCE_IS_CONTINUOUS)
                         cs->flags |= CLOCK_SOURCE_VALID_FOR_HRES;
 
                 if (!watchdog || cs->rating > watchdog->rating) {
diff --git a/kernel/time/jiffies.c b/kernel/time/jiffies.c
index 3be8da8fed7e..4c256fdb8875 100644
--- a/kernel/time/jiffies.c
+++ b/kernel/time/jiffies.c
@@ -69,4 +69,4 @@ static int __init init_jiffies_clocksource(void)
         return clocksource_register(&clocksource_jiffies);
 }
 
-module_init(init_jiffies_clocksource);
+core_initcall(init_jiffies_clocksource);
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index eb12509e00bd..cb25649c6f50 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -32,7 +32,7 @@ static u64 tick_length, tick_length_base;
 /* TIME_ERROR prevents overwriting the CMOS clock */
 static int time_state = TIME_OK;        /* clock synchronization status */
 int time_status = STA_UNSYNC;           /* clock status bits            */
-static long time_offset;                /* time adjustment (ns)         */
+static s64 time_offset;         /* time adjustment (ns)         */
 static long time_constant = 2;          /* pll time constant            */
 long time_maxerror = NTP_PHASE_LIMIT;   /* maximum error (us)           */
 long time_esterror = NTP_PHASE_LIMIT;   /* estimated error (us)         */
@@ -196,7 +196,7 @@ void __attribute__ ((weak)) notify_arch_cmos_timer(void)
  */
 int do_adjtimex(struct timex *txc)
 {
-        long ltemp, mtemp, save_adjust;
+        long mtemp, save_adjust, rem;
         s64 freq_adj, temp64;
         int result;
 
@@ -277,14 +277,14 @@ int do_adjtimex(struct timex *txc)
                     time_adjust = txc->offset;
                 }
                 else if (time_status & STA_PLL) {
-                    ltemp = txc->offset * NSEC_PER_USEC;
+                    time_offset = txc->offset * NSEC_PER_USEC;
 
                     /*
                      * Scale the phase adjustment and
                      * clamp to the operating range.
                      */
-                    time_offset = min(ltemp, MAXPHASE * NSEC_PER_USEC);
-                    time_offset = max(time_offset, -MAXPHASE * NSEC_PER_USEC);
+                    time_offset = min(time_offset, (s64)MAXPHASE * NSEC_PER_USEC);
+                    time_offset = max(time_offset, (s64)-MAXPHASE * NSEC_PER_USEC);
 
                     /*
                      * Select whether the frequency is to be controlled
@@ -297,11 +297,11 @@ int do_adjtimex(struct timex *txc)
                     mtemp = xtime.tv_sec - time_reftime;
                     time_reftime = xtime.tv_sec;
 
-                    freq_adj = (s64)time_offset * mtemp;
+                    freq_adj = time_offset * mtemp;
                     freq_adj = shift_right(freq_adj, time_constant * 2 +
                                            (SHIFT_PLL + 2) * 2 - SHIFT_NSEC);
                     if (mtemp >= MINSEC && (time_status & STA_FLL || mtemp > MAXSEC)) {
-                        temp64 = (s64)time_offset << (SHIFT_NSEC - SHIFT_FLL);
+                        temp64 = time_offset << (SHIFT_NSEC - SHIFT_FLL);
                         if (time_offset < 0) {
                             temp64 = -temp64;
                             do_div(temp64, mtemp);
@@ -314,8 +314,10 @@ int do_adjtimex(struct timex *txc)
                     freq_adj += time_freq;
                     freq_adj = min(freq_adj, (s64)MAXFREQ_NSEC);
                     time_freq = max(freq_adj, (s64)-MAXFREQ_NSEC);
-                    time_offset = (time_offset / NTP_INTERVAL_FREQ)
-                                        << SHIFT_UPDATE;
+                    time_offset = div_long_long_rem_signed(time_offset,
+                                                           NTP_INTERVAL_FREQ,
+                                                           &rem);
+                    time_offset <<= SHIFT_UPDATE;
                 } /* STA_PLL */
             } /* txc->modes & ADJ_OFFSET */
             if (txc->modes & ADJ_TICK)
@@ -328,12 +330,12 @@ leave:	if ((time_status & (STA_UNSYNC|STA_CLOCKERR)) != 0)
                 result = TIME_ERROR;
 
         if ((txc->modes & ADJ_OFFSET_SINGLESHOT) == ADJ_OFFSET_SINGLESHOT)
-            txc->offset    = save_adjust;
+                txc->offset = save_adjust;
         else
-            txc->offset    = shift_right(time_offset, SHIFT_UPDATE)
-                                * NTP_INTERVAL_FREQ / 1000;
-        txc->freq          = (time_freq / NSEC_PER_USEC)
-                                << (SHIFT_USEC - SHIFT_NSEC);
+                txc->offset = ((long)shift_right(time_offset, SHIFT_UPDATE)) *
+                                NTP_INTERVAL_FREQ / 1000;
+        txc->freq          = (time_freq / NSEC_PER_USEC) <<
+                                (SHIFT_USEC - SHIFT_NSEC);
         txc->maxerror      = time_maxerror;
         txc->esterror      = time_esterror;
         txc->status        = time_status;
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index 5567745470f7..eadfce2fff74 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -307,12 +307,19 @@ int tick_resume_broadcast(void)
         spin_lock_irqsave(&tick_broadcast_lock, flags);
 
         bc = tick_broadcast_device.evtdev;
-        if (bc) {
-                if (tick_broadcast_device.mode == TICKDEV_MODE_PERIODIC &&
-                    !cpus_empty(tick_broadcast_mask))
-                        tick_broadcast_start_periodic(bc);
 
-                broadcast = cpu_isset(smp_processor_id(), tick_broadcast_mask);
+        if (bc) {
+                switch (tick_broadcast_device.mode) {
+                case TICKDEV_MODE_PERIODIC:
+                        if(!cpus_empty(tick_broadcast_mask))
+                                tick_broadcast_start_periodic(bc);
+                        broadcast = cpu_isset(smp_processor_id(),
+                                              tick_broadcast_mask);
+                        break;
+                case TICKDEV_MODE_ONESHOT:
+                        broadcast = tick_resume_broadcast_oneshot(bc);
+                        break;
+                }
         }
         spin_unlock_irqrestore(&tick_broadcast_lock, flags);
 
@@ -347,6 +354,16 @@ static int tick_broadcast_set_event(ktime_t expires, int force)
         }
 }
 
+int tick_resume_broadcast_oneshot(struct clock_event_device *bc)
+{
+        clockevents_set_mode(bc, CLOCK_EVT_MODE_ONESHOT);
+
+        if(!cpus_empty(tick_broadcast_oneshot_mask))
+                tick_broadcast_set_event(ktime_get(), 1);
+
+        return cpu_isset(smp_processor_id(), tick_broadcast_oneshot_mask);
+}
+
 /*
  * Reprogram the broadcast device:
  *
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 43ba1bdec14c..bfda3f7f0716 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -298,18 +298,17 @@ static void tick_shutdown(unsigned int *cpup)
         spin_unlock_irqrestore(&tick_device_lock, flags);
 }
 
-static void tick_suspend_periodic(void)
+static void tick_suspend(void)
 {
         struct tick_device *td = &__get_cpu_var(tick_cpu_device);
         unsigned long flags;
 
         spin_lock_irqsave(&tick_device_lock, flags);
-        if (td->mode == TICKDEV_MODE_PERIODIC)
-                clockevents_set_mode(td->evtdev, CLOCK_EVT_MODE_SHUTDOWN);
+        clockevents_set_mode(td->evtdev, CLOCK_EVT_MODE_SHUTDOWN);
         spin_unlock_irqrestore(&tick_device_lock, flags);
 }
 
-static void tick_resume_periodic(void)
+static void tick_resume(void)
 {
         struct tick_device *td = &__get_cpu_var(tick_cpu_device);
         unsigned long flags;
@@ -317,6 +316,8 @@ static void tick_resume_periodic(void)
         spin_lock_irqsave(&tick_device_lock, flags);
         if (td->mode == TICKDEV_MODE_PERIODIC)
                 tick_setup_periodic(td->evtdev, 0);
+        else
+                tick_resume_oneshot();
         spin_unlock_irqrestore(&tick_device_lock, flags);
 }
 
@@ -348,13 +349,13 @@ static int tick_notify(struct notifier_block *nb, unsigned long reason,
                 break;
 
         case CLOCK_EVT_NOTIFY_SUSPEND:
-                tick_suspend_periodic();
+                tick_suspend();
                 tick_suspend_broadcast();
                 break;
 
         case CLOCK_EVT_NOTIFY_RESUME:
                 if (!tick_resume_broadcast())
-                        tick_resume_periodic();
+                        tick_resume();
                 break;
 
         default:
diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h
index 75890efd24ff..c9d203bde518 100644
--- a/kernel/time/tick-internal.h
+++ b/kernel/time/tick-internal.h
@@ -19,12 +19,13 @@ extern void tick_setup_oneshot(struct clock_event_device *newdev,
 extern int tick_program_event(ktime_t expires, int force);
 extern void tick_oneshot_notify(void);
 extern int tick_switch_to_oneshot(void (*handler)(struct clock_event_device *));
-
+extern void tick_resume_oneshot(void);
 # ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
 extern void tick_broadcast_setup_oneshot(struct clock_event_device *bc);
 extern void tick_broadcast_oneshot_control(unsigned long reason);
 extern void tick_broadcast_switch_to_oneshot(void);
 extern void tick_shutdown_broadcast_oneshot(unsigned int *cpup);
+extern int tick_resume_broadcast_oneshot(struct clock_event_device *bc);
 # else /* BROADCAST */
 static inline void tick_broadcast_setup_oneshot(struct clock_event_device *bc)
 {
@@ -43,6 +44,10 @@ void tick_setup_oneshot(struct clock_event_device *newdev,
 {
         BUG();
 }
+static inline void tick_resume_oneshot(void)
+{
+        BUG();
+}
 static inline int tick_program_event(ktime_t expires, int force)
 {
         return 0;
@@ -54,6 +59,10 @@ static inline void tick_broadcast_setup_oneshot(struct clock_event_device *bc)
 }
 static inline void tick_broadcast_oneshot_control(unsigned long reason) { }
 static inline void tick_shutdown_broadcast_oneshot(unsigned int *cpup) { }
+static inline int tick_resume_broadcast_oneshot(struct clock_event_device *bc)
+{
+        return 0;
+}
 #endif /* !TICK_ONESHOT */
 
 /*
diff --git a/kernel/time/tick-oneshot.c b/kernel/time/tick-oneshot.c
index 2e8b7ff863cc..f6997ab0c3c9 100644
--- a/kernel/time/tick-oneshot.c
+++ b/kernel/time/tick-oneshot.c
@@ -41,6 +41,18 @@ int tick_program_event(ktime_t expires, int force)
 }
 
 /**
+ * tick_resume_onshot - resume oneshot mode
+ */
+void tick_resume_oneshot(void)
+{
+        struct tick_device *td = &__get_cpu_var(tick_cpu_device);
+        struct clock_event_device *dev = td->evtdev;
+
+        clockevents_set_mode(dev, CLOCK_EVT_MODE_ONESHOT);
+        tick_program_event(ktime_get(), 1);
+}
+
+/**
  * tick_setup_oneshot - setup the event device for oneshot mode (hres or nohz)
  */
 void tick_setup_oneshot(struct clock_event_device *newdev,
diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
index f82c635c3d5c..59df5e8555a8 100644
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -194,9 +194,9 @@ print_tickdevice(struct seq_file *m, struct tick_device *td)
                 return;
         }
         SEQ_printf(m, "%s\n", dev->name);
-        SEQ_printf(m, " max_delta_ns:   %ld\n", dev->max_delta_ns);
-        SEQ_printf(m, " min_delta_ns:   %ld\n", dev->min_delta_ns);
-        SEQ_printf(m, " mult:           %ld\n", dev->mult);
+        SEQ_printf(m, " max_delta_ns:   %lu\n", dev->max_delta_ns);
+        SEQ_printf(m, " min_delta_ns:   %lu\n", dev->min_delta_ns);
+        SEQ_printf(m, " mult:           %lu\n", dev->mult);
         SEQ_printf(m, " shift:          %d\n", dev->shift);
         SEQ_printf(m, " mode:           %d\n", dev->mode);
         SEQ_printf(m, " next_event:     %Ld nsecs\n",
diff --git a/kernel/timer.c b/kernel/timer.c
index 797cccb86431..dd6c2c1c561b 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -695,15 +695,28 @@ static unsigned long cmp_next_hrtimer_event(unsigned long now,
 {
         ktime_t hr_delta = hrtimer_get_next_event();
         struct timespec tsdelta;
+        unsigned long delta;
 
         if (hr_delta.tv64 == KTIME_MAX)
                 return expires;
 
-        if (hr_delta.tv64 <= TICK_NSEC)
-                return now;
+        /*
+         * Expired timer available, let it expire in the next tick
+         */
+        if (hr_delta.tv64 <= 0)
+                return now + 1;
 
         tsdelta = ktime_to_timespec(hr_delta);
-        now += timespec_to_jiffies(&tsdelta);
+        delta = timespec_to_jiffies(&tsdelta);
+        /*
+         * Take rounding errors in to account and make sure, that it
+         * expires in the next tick. Otherwise we go into an endless
+         * ping pong due to tick_nohz_stop_sched_tick() retriggering
+         * the timer softirq
+         */
+        if (delta < 1)
+                delta = 1;
+        now += delta;
         if (time_before(now, expires))
                 return now;
         return expires;
@@ -1003,7 +1016,7 @@ static int timekeeping_resume(struct sys_device *dev)
         clockevents_notify(CLOCK_EVT_NOTIFY_RESUME, NULL);
 
         /* Resume hrtimers */
-        clock_was_set();
+        hres_timers_resume();
 
         return 0;
 }