From 77583447a9e7fa38ca9ded43c5e1a8e8583bf05f Mon Sep 17 00:00:00 2001
From: jhb <jhb@FreeBSD.org>
Date: Wed, 24 Jan 2001 10:23:54 +0000
Subject: - Proc locking. - P_OWEUPC -> PS_OWEUPC.

---
 sys/alpha/include/cpu.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'sys/alpha/include')

diff --git a/sys/alpha/include/cpu.h b/sys/alpha/include/cpu.h
index 0edb2fc..cd49802 100644
--- a/sys/alpha/include/cpu.h
+++ b/sys/alpha/include/cpu.h
@@ -80,8 +80,12 @@ struct clockframe {
  * buffer pages are invalid.  On the hp300, request an ast to send us
  * through trap, marking the proc as needing a profiling tick.
  */
-#define	need_proftick(p) \
-	do { (p)->p_flag |= P_OWEUPC; aston(); } while (0)
+#define	need_proftick(p) do {						\
+	mtx_enter(&sched_lock, MTX_SPIN);				\
+	(p)->p_sflag |= PS_OWEUPC;					\
+	mtx_exit(&sched_lock, MTX_SPIN);				\
+	aston();							\
+} while (0)
 
 /*
  * Notify the current process (p) that it has a signal pending,
-- 
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