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-rw-r--r--kern/sched.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/kern/sched.h b/kern/sched.h
index 588e0aa6..07d27ff5 100644
--- a/kern/sched.h
+++ b/kern/sched.h
@@ -64,7 +64,9 @@
struct run_queue {
queue_head_t runq[NRQS]; /* one for each priority */
- decl_simple_lock_data(, lock) /* one lock for all queues */
+ decl_simple_lock_data(, lock) /* one lock for all queues,
+ shall be taken at splsched
+ only */
int low; /* low queue value */
int count; /* count of threads runable */
};