diff options
Diffstat (limited to 'kernel/time')
-rw-r--r-- | kernel/time/clocksource.c | 12 | ||||
-rw-r--r-- | kernel/time/tick-broadcast.c | 3 | ||||
-rw-r--r-- | kernel/time/tick-common.c | 14 | ||||
-rw-r--r-- | kernel/time/tick-sched.c | 4 |
4 files changed, 18 insertions, 15 deletions
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c index dadde5361f32..093d4acf993b 100644 --- a/kernel/time/clocksource.c +++ b/kernel/time/clocksource.c | |||
@@ -145,9 +145,9 @@ static void clocksource_watchdog(unsigned long data) | |||
145 | * Cycle through CPUs to check if the CPUs stay | 145 | * Cycle through CPUs to check if the CPUs stay |
146 | * synchronized to each other. | 146 | * synchronized to each other. |
147 | */ | 147 | */ |
148 | int next_cpu = next_cpu(raw_smp_processor_id(), cpu_online_map); | 148 | int next_cpu = next_cpu_nr(raw_smp_processor_id(), cpu_online_map); |
149 | 149 | ||
150 | if (next_cpu >= NR_CPUS) | 150 | if (next_cpu >= nr_cpu_ids) |
151 | next_cpu = first_cpu(cpu_online_map); | 151 | next_cpu = first_cpu(cpu_online_map); |
152 | watchdog_timer.expires += WATCHDOG_INTERVAL; | 152 | watchdog_timer.expires += WATCHDOG_INTERVAL; |
153 | add_timer_on(&watchdog_timer, next_cpu); | 153 | add_timer_on(&watchdog_timer, next_cpu); |
@@ -376,7 +376,8 @@ void clocksource_unregister(struct clocksource *cs) | |||
376 | * Provides sysfs interface for listing current clocksource. | 376 | * Provides sysfs interface for listing current clocksource. |
377 | */ | 377 | */ |
378 | static ssize_t | 378 | static ssize_t |
379 | sysfs_show_current_clocksources(struct sys_device *dev, char *buf) | 379 | sysfs_show_current_clocksources(struct sys_device *dev, |
380 | struct sysdev_attribute *attr, char *buf) | ||
380 | { | 381 | { |
381 | ssize_t count = 0; | 382 | ssize_t count = 0; |
382 | 383 | ||
@@ -397,6 +398,7 @@ sysfs_show_current_clocksources(struct sys_device *dev, char *buf) | |||
397 | * clocksource selction. | 398 | * clocksource selction. |
398 | */ | 399 | */ |
399 | static ssize_t sysfs_override_clocksource(struct sys_device *dev, | 400 | static ssize_t sysfs_override_clocksource(struct sys_device *dev, |
401 | struct sysdev_attribute *attr, | ||
400 | const char *buf, size_t count) | 402 | const char *buf, size_t count) |
401 | { | 403 | { |
402 | struct clocksource *ovr = NULL; | 404 | struct clocksource *ovr = NULL; |
@@ -449,7 +451,9 @@ static ssize_t sysfs_override_clocksource(struct sys_device *dev, | |||
449 | * Provides sysfs interface for listing registered clocksources | 451 | * Provides sysfs interface for listing registered clocksources |
450 | */ | 452 | */ |
451 | static ssize_t | 453 | static ssize_t |
452 | sysfs_show_available_clocksources(struct sys_device *dev, char *buf) | 454 | sysfs_show_available_clocksources(struct sys_device *dev, |
455 | struct sysdev_attribute *attr, | ||
456 | char *buf) | ||
453 | { | 457 | { |
454 | struct clocksource *src; | 458 | struct clocksource *src; |
455 | ssize_t count = 0; | 459 | ssize_t count = 0; |
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index f48d0f09d32f..31463d370b94 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c | |||
@@ -399,8 +399,7 @@ again: | |||
399 | mask = CPU_MASK_NONE; | 399 | mask = CPU_MASK_NONE; |
400 | now = ktime_get(); | 400 | now = ktime_get(); |
401 | /* Find all expired events */ | 401 | /* Find all expired events */ |
402 | for (cpu = first_cpu(tick_broadcast_oneshot_mask); cpu != NR_CPUS; | 402 | for_each_cpu_mask_nr(cpu, tick_broadcast_oneshot_mask) { |
403 | cpu = next_cpu(cpu, tick_broadcast_oneshot_mask)) { | ||
404 | td = &per_cpu(tick_cpu_device, cpu); | 403 | td = &per_cpu(tick_cpu_device, cpu); |
405 | if (td->evtdev->next_event.tv64 <= now.tv64) | 404 | if (td->evtdev->next_event.tv64 <= now.tv64) |
406 | cpu_set(cpu, mask); | 405 | cpu_set(cpu, mask); |
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index 4f3886562b8c..bf43284d6855 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c | |||
@@ -135,7 +135,7 @@ void tick_setup_periodic(struct clock_event_device *dev, int broadcast) | |||
135 | */ | 135 | */ |
136 | static void tick_setup_device(struct tick_device *td, | 136 | static void tick_setup_device(struct tick_device *td, |
137 | struct clock_event_device *newdev, int cpu, | 137 | struct clock_event_device *newdev, int cpu, |
138 | cpumask_t cpumask) | 138 | const cpumask_t *cpumask) |
139 | { | 139 | { |
140 | ktime_t next_event; | 140 | ktime_t next_event; |
141 | void (*handler)(struct clock_event_device *) = NULL; | 141 | void (*handler)(struct clock_event_device *) = NULL; |
@@ -169,8 +169,8 @@ static void tick_setup_device(struct tick_device *td, | |||
169 | * When the device is not per cpu, pin the interrupt to the | 169 | * When the device is not per cpu, pin the interrupt to the |
170 | * current cpu: | 170 | * current cpu: |
171 | */ | 171 | */ |
172 | if (!cpus_equal(newdev->cpumask, cpumask)) | 172 | if (!cpus_equal(newdev->cpumask, *cpumask)) |
173 | irq_set_affinity(newdev->irq, cpumask); | 173 | irq_set_affinity(newdev->irq, *cpumask); |
174 | 174 | ||
175 | /* | 175 | /* |
176 | * When global broadcasting is active, check if the current | 176 | * When global broadcasting is active, check if the current |
@@ -196,20 +196,20 @@ static int tick_check_new_device(struct clock_event_device *newdev) | |||
196 | struct tick_device *td; | 196 | struct tick_device *td; |
197 | int cpu, ret = NOTIFY_OK; | 197 | int cpu, ret = NOTIFY_OK; |
198 | unsigned long flags; | 198 | unsigned long flags; |
199 | cpumask_t cpumask; | 199 | cpumask_of_cpu_ptr_declare(cpumask); |
200 | 200 | ||
201 | spin_lock_irqsave(&tick_device_lock, flags); | 201 | spin_lock_irqsave(&tick_device_lock, flags); |
202 | 202 | ||
203 | cpu = smp_processor_id(); | 203 | cpu = smp_processor_id(); |
204 | cpumask_of_cpu_ptr_next(cpumask, cpu); | ||
204 | if (!cpu_isset(cpu, newdev->cpumask)) | 205 | if (!cpu_isset(cpu, newdev->cpumask)) |
205 | goto out_bc; | 206 | goto out_bc; |
206 | 207 | ||
207 | td = &per_cpu(tick_cpu_device, cpu); | 208 | td = &per_cpu(tick_cpu_device, cpu); |
208 | curdev = td->evtdev; | 209 | curdev = td->evtdev; |
209 | cpumask = cpumask_of_cpu(cpu); | ||
210 | 210 | ||
211 | /* cpu local device ? */ | 211 | /* cpu local device ? */ |
212 | if (!cpus_equal(newdev->cpumask, cpumask)) { | 212 | if (!cpus_equal(newdev->cpumask, *cpumask)) { |
213 | 213 | ||
214 | /* | 214 | /* |
215 | * If the cpu affinity of the device interrupt can not | 215 | * If the cpu affinity of the device interrupt can not |
@@ -222,7 +222,7 @@ static int tick_check_new_device(struct clock_event_device *newdev) | |||
222 | * If we have a cpu local device already, do not replace it | 222 | * If we have a cpu local device already, do not replace it |
223 | * by a non cpu local device | 223 | * by a non cpu local device |
224 | */ | 224 | */ |
225 | if (curdev && cpus_equal(curdev->cpumask, cpumask)) | 225 | if (curdev && cpus_equal(curdev->cpumask, *cpumask)) |
226 | goto out_bc; | 226 | goto out_bc; |
227 | } | 227 | } |
228 | 228 | ||
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index beef7ccdf842..942fc7c85283 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c | |||
@@ -140,8 +140,6 @@ void tick_nohz_update_jiffies(void) | |||
140 | if (!ts->tick_stopped) | 140 | if (!ts->tick_stopped) |
141 | return; | 141 | return; |
142 | 142 | ||
143 | touch_softlockup_watchdog(); | ||
144 | |||
145 | cpu_clear(cpu, nohz_cpu_mask); | 143 | cpu_clear(cpu, nohz_cpu_mask); |
146 | now = ktime_get(); | 144 | now = ktime_get(); |
147 | ts->idle_waketime = now; | 145 | ts->idle_waketime = now; |
@@ -149,6 +147,8 @@ void tick_nohz_update_jiffies(void) | |||
149 | local_irq_save(flags); | 147 | local_irq_save(flags); |
150 | tick_do_update_jiffies64(now); | 148 | tick_do_update_jiffies64(now); |
151 | local_irq_restore(flags); | 149 | local_irq_restore(flags); |
150 | |||
151 | touch_softlockup_watchdog(); | ||
152 | } | 152 | } |
153 | 153 | ||
154 | void tick_nohz_stop_idle(int cpu) | 154 | void tick_nohz_stop_idle(int cpu) |