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Diffstat (limited to 'kern/thread.c')
-rw-r--r--kern/thread.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/kern/thread.c b/kern/thread.c
index fa61976f..a42fd11a 100644
--- a/kern/thread.c
+++ b/kern/thread.c
@@ -88,6 +88,7 @@
#include <kern/init.h>
#include <kern/kmem.h>
#include <kern/list.h>
+#include <kern/llsync.h>
#include <kern/macros.h>
#include <kern/mutex.h>
#include <kern/panic.h>
@@ -473,6 +474,8 @@ thread_runq_schedule(struct thread_runq *runq, struct thread *prev)
assert(!cpu_intr_enabled());
spinlock_assert_locked(&runq->lock);
+ llsync_checkin(thread_runq_id(runq));
+
thread_clear_flag(prev, THREAD_RESCHEDULE);
thread_runq_put_prev(runq, prev);
@@ -1630,6 +1633,7 @@ thread_idle(void *arg)
for (;;) {
thread_preempt_disable();
+ llsync_unregister_cpu(cpu);
for (;;) {
cpu_intr_disable();
@@ -1642,6 +1646,7 @@ thread_idle(void *arg)
cpu_idle();
}
+ llsync_register_cpu(cpu);
thread_preempt_enable();
}
}
@@ -1847,6 +1852,7 @@ thread_run(void)
assert(cpu_intr_enabled());
runq = thread_runq_local();
+ llsync_register_cpu(thread_runq_id(runq));
thread = thread_self();
assert(thread == runq->current);
assert(thread->preempt == 1);
@@ -1894,6 +1900,7 @@ thread_tick(void)
assert(!thread_preempt_enabled());
runq = thread_runq_local();
+ llsync_commit_checkpoint(thread_runq_id(runq));
thread = thread_self();
spinlock_lock(&runq->lock);