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sched_catchlwp: Estimate the pointers of CPU structures, not spc_mutex'es, 

when double-locking the runqueues.
This commit is contained in:
rmind 2007-10-10 22:21:17 +00:00
parent c54777285d
commit a416e41211
1 changed files with 3 additions and 3 deletions
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6
sys/kern/sched_m2.c
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@ -1,4 +1,4 @@
/* $NetBSD: sched_m2.c,v 1.2 2007/10/10 21:24:53 rmind Exp $ */
/* $NetBSD: sched_m2.c,v 1.3 2007/10/10 22:21:17 rmind Exp $ */
/*
* Copyright (c) 2007, Mindaugas Rasiukevicius
@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sched_m2.c,v 1.2 2007/10/10 21:24:53 rmind Exp $");
__KERNEL_RCSID(0, "$NetBSD: sched_m2.c,v 1.3 2007/10/10 22:21:17 rmind Exp $");
#include <sys/param.h>
@ -632,7 +632,7 @@ sched_catchlwp(void)
/*
* Double-lock the runqueues.
*/
if (curci->ci_schedstate.spc_mutex < ci->ci_schedstate.spc_mutex) {
if (curci < ci) {
spc_lock(ci);
} else if (!mutex_tryenter(ci->ci_schedstate.spc_mutex)) {
const runqueue_t *cur_rq = curci->ci_schedstate.spc_sched_info;