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[src/trunk]: src/sys/kern lwp_start(): don't try to change the target CPU. F...
details: https://anonhg.NetBSD.org/src/rev/30a1fd1662ad
branches: trunk
changeset: 846613:30a1fd1662ad
user: ad <ad%NetBSD.org@localhost>
date: Sun Nov 24 13:23:57 2019 +0000
description:
lwp_start(): don't try to change the target CPU. Fixes potential panic
in setrunnable(). Oops, experimental change that escaped.
diffstat:
sys/kern/kern_lwp.c | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)
diffs (26 lines):
diff -r fc30df3c5f3b -r 30a1fd1662ad sys/kern/kern_lwp.c
--- a/sys/kern/kern_lwp.c Sun Nov 24 13:14:23 2019 +0000
+++ b/sys/kern/kern_lwp.c Sun Nov 24 13:23:57 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: kern_lwp.c,v 1.213 2019/11/24 13:14:23 ad Exp $ */
+/* $NetBSD: kern_lwp.c,v 1.214 2019/11/24 13:23:57 ad Exp $ */
/*-
* Copyright (c) 2001, 2006, 2007, 2008, 2009, 2019 The NetBSD Foundation, Inc.
@@ -209,7 +209,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_lwp.c,v 1.213 2019/11/24 13:14:23 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_lwp.c,v 1.214 2019/11/24 13:23:57 ad Exp $");
#include "opt_ddb.h"
#include "opt_lockdebug.h"
@@ -1003,7 +1003,6 @@
p->p_nrlwps--;
lwp_unlock(l);
} else {
- l->l_cpu = curcpu();
setrunnable(l);
/* LWP now unlocked */
}
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