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91313d60d8
PA20 arch book (page 7-52 and 7-55) indicate a "sync" is required after the FDC "to enforce instruction ordering". And we want to make sure FIC is executed after FDC has retired. Signed-off-by: Grant Grundler <grundler@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>