Author: adrian
Date: Wed Oct 9 22:10:03 2013
New Revision: 256247
URL: http://svnweb.freebsd.org/changeset/base/256247
Log:
Add read/write bus barriers for MIPS.
Tested:
* AR9344 - mips74k SoC
Approved by: re@ (delphij)
Modified:
head/sys/mips/mips/bus_space_generic.c
Modified: head/sys/mips/mips/bus_space_generic.c
==============================================================================
--- head/sys/mips/mips/bus_space_generic.c Wed Oct 9 22:00:03 2013
(r256246)
+++ head/sys/mips/mips/bus_space_generic.c Wed Oct 9 22:10:03 2013
(r256247)
@@ -749,4 +749,8 @@ generic_bs_barrier(void *t __unused,
if (flags & BUS_SPACE_BARRIER_WRITE)
mips_dcache_wbinv_all();
#endif
+ if (flags & BUS_SPACE_BARRIER_READ)
+ rmb();
+ if (flags & BUS_SPACE_BARRIER_WRITE)
+ wmb();
}
_______________________________________________
svn-src-all@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
