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| author | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2006-08-08 13:55:22 +0100 |
|---|---|---|
| committer | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2006-08-08 13:55:22 +0100 |
| commit | 62e16a8285b728d883b65a9e0c1b90099c1f6f48 (patch) | |
| tree | ab57991511bb08f409f73dcd34989c92af789813 /xen/include/xen/sched-if.h | |
| parent | 8513c2357d9c34664cdcebde1019860da850317b (diff) | |
| download | xen-62e16a8285b728d883b65a9e0c1b90099c1f6f48.tar.gz xen-62e16a8285b728d883b65a9e0c1b90099c1f6f48.tar.bz2 xen-62e16a8285b728d883b65a9e0c1b90099c1f6f48.zip | |
[XEN] Make per-cpu schedule data explicitly PER_CPU.
Signed-off-by: Keir Fraser <keir@xensource.com>
Diffstat (limited to 'xen/include/xen/sched-if.h')
| -rw-r--r-- | xen/include/xen/sched-if.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/xen/include/xen/sched-if.h b/xen/include/xen/sched-if.h index ec082b37be..78f61a7b17 100644 --- a/xen/include/xen/sched-if.h +++ b/xen/include/xen/sched-if.h @@ -8,6 +8,8 @@ #ifndef __XEN_SCHED_IF_H__ #define __XEN_SCHED_IF_H__ +#include <xen/percpu.h> + struct schedule_data { spinlock_t schedule_lock; /* spinlock protecting curr */ struct vcpu *curr; /* current task */ @@ -17,7 +19,7 @@ struct schedule_data { unsigned long tick; /* current periodic 'tick' */ } __cacheline_aligned; -extern struct schedule_data schedule_data[]; +DECLARE_PER_CPU(struct schedule_data, schedule_data); static inline void vcpu_schedule_lock(struct vcpu *v) { @@ -26,10 +28,10 @@ static inline void vcpu_schedule_lock(struct vcpu *v) for ( ; ; ) { cpu = v->processor; - spin_lock(&schedule_data[cpu].schedule_lock); + spin_lock(&per_cpu(schedule_data, cpu).schedule_lock); if ( likely(v->processor == cpu) ) break; - spin_unlock(&schedule_data[cpu].schedule_lock); + spin_unlock(&per_cpu(schedule_data, cpu).schedule_lock); } } @@ -40,7 +42,7 @@ static inline void vcpu_schedule_lock(struct vcpu *v) static inline void vcpu_schedule_unlock(struct vcpu *v) { - spin_unlock(&schedule_data[v->processor].schedule_lock); + spin_unlock(&per_cpu(schedule_data, v->processor).schedule_lock); } #define vcpu_schedule_unlock_irq(v) \ |