i386/61858: bus_dmamap_sync with BUS_DMASYNC_POSTREAD needs memory barrier.

[Remko Lodder]

Synopsis: bus_dmamap_sync with BUS_DMASYNC_POSTREAD needs memory barrier.

State-Changed-From-To: open->feedback
State-Changed-By: remko
State-Changed-When: Mon Sep 11 12:42:15 UTC 2006
State-Changed-Why: 
Hello,

A lot of work had been done on the busdma infrastructure
etc, can you tell me whether this problem you described
is still there in the latest freebsd release? (6.1)

Thanks


Responsible-Changed-From-To: freebsd-i386->remko
Responsible-Changed-By: remko
Responsible-Changed-When: Mon Sep 11 12:42:15 UTC 2006
Responsible-Changed-Why: 
grab the pr

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