i386/61858: bus_dmamap_sync with BUS_DMASYNC_POSTREAD needs memory barrier.

Bruce M Simpson bms at FreeBSD.org
Sun Jul 4 08:13:33 PDT 2004

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Synopsis: bus_dmamap_sync with BUS_DMASYNC_POSTREAD needs memory barrier.

Responsible-Changed-From-To: freebsd-i386->bms
Responsible-Changed-By: bms
Responsible-Changed-When: Sun Jul 4 15:13:18 GMT 2004
Responsible-Changed-Why: 
I've been discussing this one with green@

http://www.freebsd.org/cgi/query-pr.cgi?pr=61858

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