Date: Wed, 9 Oct 2013 22:10:03 +0000 (UTC) From: Adrian Chadd <adrian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r256247 - head/sys/mips/mips Message-ID: <201310092210.r99MA3RH060721@svn.freebsd.org>
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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(); }
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