From 8c172a3498d91a8abd7141b374284ed6759b7e0b Mon Sep 17 00:00:00 2001
From: jhb <jhb@FreeBSD.org>
Date: Tue, 22 Apr 2003 19:48:25 +0000
Subject: Protect p_swtime with the sched_lock.

---
 sys/kern/sched_ule.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'sys/kern/sched_ule.c')

diff --git a/sys/kern/sched_ule.c b/sys/kern/sched_ule.c
index 433159b..1305527 100644
--- a/sys/kern/sched_ule.c
+++ b/sys/kern/sched_ule.c
@@ -1138,7 +1138,9 @@ sched_pctcpu(struct kse *ke)
 		pctcpu = (FSCALE * ((FSCALE * rtick)/realstathz)) >> FSHIFT;
 	}
 
+	mtx_lock_spin(&sched_lock);
 	ke->ke_proc->p_swtime = ke->ke_ltick - ke->ke_ftick;
+	mtx_unlock_spin(&sched_lock);
 
 	return (pctcpu);
 }
-- 
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