Author: arybchik
Date: Wed Feb 4 19:58:54 2015
New Revision: 278220
URL: https://svnweb.freebsd.org/changeset/base/278220
Log:
sfxge: Implement EFSYS_MEM_READ_BARRIER()
Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)
Modified:
head/sys/dev/sfxge/common/efsys.h
Modified: head/sys/dev/sfxge/common/efsys.h
==============================================================================
--- head/sys/dev/sfxge/common/efsys.h Wed Feb 4 19:40:30 2015
(r278219)
+++ head/sys/dev/sfxge/common/efsys.h Wed Feb 4 19:58:54 2015
(r278220)
@@ -677,8 +677,7 @@ typedef struct efsys_bar_s {
/* BARRIERS */
-/* Strict ordering guaranteed by devacc.devacc_attr_dataorder */
-#define EFSYS_MEM_READ_BARRIER()
+#define EFSYS_MEM_READ_BARRIER() rmb()
#define EFSYS_PIO_WRITE_BARRIER()
/* TIMESTAMP */
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