Module Name: src
Committed By: ad
Date: Fri Nov 22 23:38:15 UTC 2019
Modified Files:
src/sys/sys: userret.h
Log Message:
Add a comment.
To generate a diff of this commit:
cvs rdiff -u -r1.29 -r1.30 src/sys/sys/userret.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/sys/userret.h
diff -u src/sys/sys/userret.h:1.29 src/sys/sys/userret.h:1.30
--- src/sys/sys/userret.h:1.29 Thu Nov 21 19:24:02 2019
+++ src/sys/sys/userret.h Fri Nov 22 23:38:15 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: userret.h,v 1.29 2019/11/21 19:24:02 ad Exp $ */
+/* $NetBSD: userret.h,v 1.30 2019/11/22 23:38:15 ad Exp $ */
/*-
* Copyright (c) 1998, 2000, 2003, 2006, 2008, 2019 The NetBSD Foundation, Inc.
@@ -101,6 +101,12 @@ mi_userret(struct lwp *l)
ci = l->l_cpu;
}
l->l_kpriority = false;
+ /*
+ * lwp_eprio() is too involved to use here unlocked. At this point
+ * it only matters for PTHREAD_PRIO_PROTECT; setting a too low value
+ * is OK because the scheduler will find out the true value if we
+ * end up in mi_switch().
+ */
ci->ci_schedstate.spc_curpriority = l->l_priority;
KPREEMPT_ENABLE(l);
