[openib-general] Re: [PATCH 7 of 20] ipath - misc driver support code

[Roland Dreier]

    Bryan> It's purely a performance optimisation.  Since we tune very
    Bryan> closely to each CPU, there's no point right now in
    Bryan> sort-of-tuning for a CPU that doesn't yet exist :-)

I thought that if ipath_unordered_wc() returns false then you assume
the writes through a WC mapping go in order.  If Via behaves like
Intel and reorders writes, but ipath_unordered_wc() returns false,
then won't your driver break in a subtle way?

 - R.