> The barrier/ordering issue however might be a critical thing, > when using __raw_XXX. So one must always mmiowb() after such a write.
Not mmiowb() -- that is for ordering between CPUs, eg on systems like Altix where PCI transactions might get reordered in the system fabric before reaching the PCI bus. You need a full wmb() to order between __raw_writel()s. - R. _______________________________________________ ewg mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ewg
