xnu-1504.9.26.tar.gz

[apple/xnu.git] / osfmk / kern / processor.c

diff --git a/osfmk/kern/processor.c b/osfmk/kern/processor.c
index 3410697249f5369eaedac9c4073475550f0fe061..ca65ceca63674b73db6d379aa313b2c54f25382e 100644 (file)
--- a/osfmk/kern/processor.c
+++ b/osfmk/kern/processor.c
@@ -155,6 +155,15 @@ processor_init(
        processor_data_init(processor);
        processor->processor_list = NULL;
 
+       pset_lock(pset);
+       if (pset->cpu_set_count++ == 0)
+               pset->cpu_set_low = pset->cpu_set_hi = cpu_id;
+       else {
+               pset->cpu_set_low = (cpu_id < pset->cpu_set_low)? cpu_id: pset->cpu_set_low;
+               pset->cpu_set_hi = (cpu_id > pset->cpu_set_hi)? cpu_id: pset->cpu_set_hi;
+       }
+       pset_unlock(pset);
+
        simple_lock(&processor_list_lock);
        if (processor_list == NULL)
                processor_list = processor;
@@ -231,6 +240,8 @@ pset_init(
        queue_init(&pset->idle_queue);
        pset->processor_count = 0;
        pset->low_pri = pset->low_count = PROCESSOR_NULL;
+       pset->cpu_set_low = pset->cpu_set_hi = 0;
+       pset->cpu_set_count = 0;
        pset_lock_init(pset);
        pset->pset_self = IP_NULL;
        pset->pset_name_self = IP_NULL;