[src/trunk]: src/sys/kern Put back missing set of SPCF_SHOULDYIELD.

[ad <ad%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/40c3a289ebb9
branches:  trunk
changeset: 745778:40c3a289ebb9
user:      ad <ad%NetBSD.org@localhost>
date:      Thu Mar 12 10:44:00 2020 +0000

description:
Put back missing set of SPCF_SHOULDYIELD.

diffstat:

 sys/kern/sched_4bsd.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (34 lines):

diff -r f07d3aaf32cd -r 40c3a289ebb9 sys/kern/sched_4bsd.c
--- a/sys/kern/sched_4bsd.c     Thu Mar 12 09:38:10 2020 +0000
+++ b/sys/kern/sched_4bsd.c     Thu Mar 12 10:44:00 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sched_4bsd.c,v 1.42 2020/01/09 16:35:03 ad Exp $       */
+/*     $NetBSD: sched_4bsd.c,v 1.43 2020/03/12 10:44:00 ad Exp $       */
 
 /*
  * Copyright (c) 1999, 2000, 2004, 2006, 2007, 2008, 2019, 2020
@@ -69,7 +69,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sched_4bsd.c,v 1.42 2020/01/09 16:35:03 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sched_4bsd.c,v 1.43 2020/03/12 10:44:00 ad Exp $");
 
 #include "opt_ddb.h"
 #include "opt_lockdebug.h"
@@ -147,6 +147,7 @@
                         * Indicate that the process should yield.
                         */
                        pri = MAXPRI_KTHREAD;
+                       spc->spc_flags |= SPCF_SHOULDYIELD;
                } else if ((spc->spc_flags & SPCF_1STCLASS) == 0) {
                        /*
                         * For SMT or assymetric systems push a little
@@ -154,6 +155,7 @@
                         * find a better one to run this LWP.
                         */
                        pri = MAXPRI_KTHREAD;
+                       spc->spc_flags |= SPCF_SHOULDYIELD;
                } else {
                        spc->spc_flags |= SPCF_SEENRR;
                }