From a3632ffdd67e905b45a2cc9b4b6035957e22ed9e Mon Sep 17 00:00:00 2001
From: Patrick Williams <iawillia@us.ibm.com>
Date: Tue, 19 Apr 2011 07:17:13 -0500
Subject: Fix weak-consistency bug in spinlocks.

Change-Id: I7ab4d17d0706a8ca149adf2ebd58f7b981f8ace6
Reviewed-on: http://gfwr801.rchland.ibm.com:8080/gerrit/5
Tested-by: Jenkins Server
Reviewed-by: Andrew J. Geissler <andrewg@us.ibm.com>
---
 src/kernel/spinlock.C | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/kernel')

diff --git a/src/kernel/spinlock.C b/src/kernel/spinlock.C
index 5c67d8ad9..ab86e481e 100644
--- a/src/kernel/spinlock.C
+++ b/src/kernel/spinlock.C
@@ -13,6 +13,7 @@ void Spinlock::lock()
 	while(iv_ready != reservation);
 	setThreadPriorityHigh();
     }
+    isync();
 }
 
 void Spinlock::unlock()
-- 
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