Author: arybchik
Date: Wed Mar 25 10:26:45 2015
New Revision: 280521
URL: https://svnweb.freebsd.org/changeset/base/280521
Log:
MFC: 278220
sfxge: Implement EFSYS_MEM_READ_BARRIER()
Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)
Modified:
stable/10/sys/dev/sfxge/common/efsys.h
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/dev/sfxge/common/efsys.h
==============================================================================
--- stable/10/sys/dev/sfxge/common/efsys.h Wed Mar 25 10:26:07 2015
(r280520)
+++ stable/10/sys/dev/sfxge/common/efsys.h Wed Mar 25 10:26:45 2015
(r280521)
@@ -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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