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authormarcel <marcel@FreeBSD.org>2008-11-22 06:56:49 +0000
committermarcel <marcel@FreeBSD.org>2008-11-22 06:56:49 +0000
commit07d364adf02c9370780cae58faf75152aa132e10 (patch)
tree8f3798fc4b810e21e3e11bacfcb95fe2c73e5823 /sys
parent9d3bb599b193495af5419ee85be4afe9a18b6091 (diff)
downloadFreeBSD-src-07d364adf02c9370780cae58faf75152aa132e10.zip
FreeBSD-src-07d364adf02c9370780cae58faf75152aa132e10.tar.gz
Define mb(), rmb() and wmb() for real.
Diffstat (limited to 'sys')
-rw-r--r--sys/ia64/include/atomic.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/ia64/include/atomic.h b/sys/ia64/include/atomic.h
index fdfcb9e..d2f8874 100644
--- a/sys/ia64/include/atomic.h
+++ b/sys/ia64/include/atomic.h
@@ -29,9 +29,9 @@
#ifndef _MACHINE_ATOMIC_H_
#define _MACHINE_ATOMIC_H_
-#define mb()
-#define wmb()
-#define rmb()
+#define mb() __asm __volatile("mf")
+#define wmb() mb()
+#define rmb() mb()
/*
* Various simple arithmetic on memory which is atomic in the presence
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