kern: implement 13.1.0 kernel changes

2021-10-25 17:34:47 -07:00
parent ebca23305e
commit 1d5f66be56
4 changed files with 10 additions and 2 deletions
--- a/mesosphere/kernel/source/arch/arm64/kern_k_scheduler_asm.s
+++ b/mesosphere/kernel/source/arch/arm64/kern_k_scheduler_asm.s
@@ -126,7 +126,8 @@ _ZN3ams4kern10KScheduler12ScheduleImplEv:
    cmp    x7, x18
    b.ne   1f

-    /* If they're the same, then we can just return as there's nothing to do. */
+    /* If they're the same, then we can just issue a memory barrier and return. */
+    dmb    ish
    ret

 0:  /* The interrupt task thread is runnable. */