Messages in this thread | | | Date | Wed, 22 Apr 2015 14:46:37 -0600 | From | Jason Gunthorpe <> | Subject | Re: ioremap_uc() followed by set_memory_wc() - burrying MTRR |
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On Wed, Apr 22, 2015 at 02:53:11PM -0400, Doug Ledford wrote:
> To be precise, the split is that ipath powers the old HTX bus cards that > only work in AMD systems, qib is all PCI-e cards. I still have a few > HTX cards, but I no longer have any systems with HTX slots, so we > haven't even used this driver in testing for 3 or 4 years now. And > these are all old SDR cards, where the performance numbers were 800MB/s > with WC enabled, 50MB/s without it.
Wow, I doubt any HTX systems are still in any kind of use.
It would be a nice clean up to drop the PPC support out of this driver too. PPC never had HTX.
Jason
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