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

Roland Dreier
2006-03-09T23:36:39Z

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.