aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/time/tick-common.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/time/tick-common.c')
-rw-r--r--kernel/time/tick-common.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index bf43284d6855..80c4336f4188 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -196,12 +196,10 @@ 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_of_cpu_ptr_declare(cpumask);
200 199
201 spin_lock_irqsave(&tick_device_lock, flags); 200 spin_lock_irqsave(&tick_device_lock, flags);
202 201
203 cpu = smp_processor_id(); 202 cpu = smp_processor_id();
204 cpumask_of_cpu_ptr_next(cpumask, cpu);
205 if (!cpu_isset(cpu, newdev->cpumask)) 203 if (!cpu_isset(cpu, newdev->cpumask))
206 goto out_bc; 204 goto out_bc;
207 205
@@ -209,7 +207,7 @@ static int tick_check_new_device(struct clock_event_device *newdev)
209 curdev = td->evtdev; 207 curdev = td->evtdev;
210 208
211 /* cpu local device ? */ 209 /* cpu local device ? */
212 if (!cpus_equal(newdev->cpumask, *cpumask)) { 210 if (!cpus_equal(newdev->cpumask, cpumask_of_cpu(cpu))) {
213 211
214 /* 212 /*
215 * If the cpu affinity of the device interrupt can not 213 * If the cpu affinity of the device interrupt can not
@@ -222,7 +220,7 @@ static int tick_check_new_device(struct clock_event_device *newdev)
222 * If we have a cpu local device already, do not replace it 220 * If we have a cpu local device already, do not replace it
223 * by a non cpu local device 221 * by a non cpu local device
224 */ 222 */
225 if (curdev && cpus_equal(curdev->cpumask, *cpumask)) 223 if (curdev && cpus_equal(curdev->cpumask, cpumask_of_cpu(cpu)))
226 goto out_bc; 224 goto out_bc;
227 } 225 }
228 226
@@ -254,7 +252,7 @@ static int tick_check_new_device(struct clock_event_device *newdev)
254 curdev = NULL; 252 curdev = NULL;
255 } 253 }
256 clockevents_exchange_device(curdev, newdev); 254 clockevents_exchange_device(curdev, newdev);
257 tick_setup_device(td, newdev, cpu, cpumask); 255 tick_setup_device(td, newdev, cpu, &cpumask_of_cpu(cpu));
258 if (newdev->features & CLOCK_EVT_FEAT_ONESHOT) 256 if (newdev->features & CLOCK_EVT_FEAT_ONESHOT)
259 tick_oneshot_notify(); 257 tick_oneshot_notify();
260 258