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-rw-r--r--os/kernel/include/scheduler.h2
-rw-r--r--os/kernel/src/chschd.c3
2 files changed, 2 insertions, 3 deletions
diff --git a/os/kernel/include/scheduler.h b/os/kernel/include/scheduler.h
index 8aa692e58..f3216bb7a 100644
--- a/os/kernel/include/scheduler.h
+++ b/os/kernel/include/scheduler.h
@@ -117,7 +117,7 @@ extern "C" {
* @details This function returns @p TRUE if there is a ready thread with
* higher priority.
*/
-#define chSchMustRescheduleS() (firstprio(&rlist.r_queue) >= currp->p_prio)
+#define chSchMustRescheduleS() (firstprio(&rlist.r_queue) > currp->p_prio)
#endif /* _SCHEDULER_H_ */
diff --git a/os/kernel/src/chschd.c b/os/kernel/src/chschd.c
index 1f7e27c93..08ecf46a0 100644
--- a/os/kernel/src/chschd.c
+++ b/os/kernel/src/chschd.c
@@ -210,8 +210,7 @@ void chSchDoRescheduleI(void) {
* the ready list then make the higher priority thread running.
*/
void chSchRescheduleS(void) {
- /* First thread in the runnable queue has higher priority than the running
- * thread?.*/
+
if (chSchMustRescheduleS())
chSchDoRescheduleI();
}