From 1a6f777efee5948895819d82194dc3aaca4fdbde Mon Sep 17 00:00:00 2001
From: Peter Grehan <grehan@FreeBSD.org>
Date: Sat, 7 Aug 2004 00:20:00 +0000
Subject: [PATCH] Always isync after a mtmsr. While perhaps not strictly
 necessary for PSL_EE bit banging according to the OEA, it's better to be
 conservative than having to continually audit uses of this inline.

---
 sys/powerpc/include/cpufunc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/powerpc/include/cpufunc.h b/sys/powerpc/include/cpufunc.h
index 84be33d7ce0..f02ff3bd55a 100644
--- a/sys/powerpc/include/cpufunc.h
+++ b/sys/powerpc/include/cpufunc.h
@@ -65,7 +65,7 @@ static __inline void
 mtmsr(register_t value)
 {
 
-	__asm __volatile ("mtmsr %0" :: "r"(value));
+	__asm __volatile ("mtmsr %0; isync" :: "r"(value));
 }
 
 static __inline register_t