From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: "Luis R. Rodriguez" <mcgrof-IBi9RG/b67k@public.gmane.org>,
Andy Lutomirski <luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>,
mike.marciniszyn-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
infinipath-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
awalls-Xoej9cPu4Z+RGvkDC/A1pg@public.gmane.org,
Toshi Kani <toshi.kani-VXdhtT5mjnY@public.gmane.org>,
"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
Ingo Molnar <mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Hal Rosenstock
<hal.rosenstock-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Sean Hefty <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Suresh Siddha <sbsiddha-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Rickard Strandqvist
<rickard_strandqvist-IW2WV5XWFqGZkjO+N0TKoMugMpMbD5Xr@public.gmane.org>,
Roland Dreier <roland-BHEL68pLQRGGvPXPguhicg@public.gmane.org>,
Juergen Gross <jgross-IBi9RG/b67k@public.gmane.org>,
Mauro Carvalho Chehab
<mchehab-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org>,
Borislav Petkov <bp-l3A5Bk7waGM@public.gmane.org>,
Mel Gorman <mgorman-l3A5Bk7waGM@public.gmane.org>,
Vlastimil Babka <vbabka-AlSwsSmVLrQ@public.gmane.org>,
Davidlohr Bueso <dbueso-l3A5Bk7waGM@public.gmane.org>,
Dave Hansen <dave.hansen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
Jean-Christophe Plagniol-Villard
<plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org>,
Thomas
Subject: Re: ioremap_uc() followed by set_memory_wc() - burrying MTRR
Date: Wed, 22 Apr 2015 14:46:37 -0600 [thread overview]
Message-ID: <20150422204637.GA29491@obsidianresearch.com> (raw)
In-Reply-To: <1429728791.121496.10.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
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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next prev parent reply other threads:[~2015-04-22 20:46 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-15 20:42 ioremap_uc() followed by set_memory_wc() - burrying MTRR Andy Lutomirski
[not found] ` <CALCETrV0B7rp08-VYjp5=1CWJp7=xTUTBYo3uGxX317RxAQT+w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-04-15 20:56 ` H. Peter Anvin
2015-04-21 22:46 ` Luis R. Rodriguez
2015-04-21 22:57 ` Jason Gunthorpe
[not found] ` <20150421225732.GA17356-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-04-21 23:39 ` Luis R. Rodriguez
[not found] ` <20150421233907.GA5622-B4tOwbsTzaBolqkO4TVVkw@public.gmane.org>
2015-04-22 5:39 ` Jason Gunthorpe
2015-04-22 15:23 ` Luis R. Rodriguez
2015-04-22 15:54 ` Luis R. Rodriguez
2015-04-22 15:59 ` Luis R. Rodriguez
[not found] ` <20150422152328.GB5622-B4tOwbsTzaBolqkO4TVVkw@public.gmane.org>
2015-04-22 16:17 ` Jason Gunthorpe
2015-04-22 16:51 ` Luis R. Rodriguez
[not found] ` <20150422161755.GA19500-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-04-22 18:53 ` Doug Ledford
[not found] ` <1429728791.121496.10.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-04-22 19:05 ` Luis R. Rodriguez
2015-04-22 19:10 ` Doug Ledford
2015-04-22 19:14 ` Luis R. Rodriguez
2015-04-22 20:46 ` Jason Gunthorpe [this message]
2015-04-22 20:58 ` Doug Ledford
2015-04-22 16:53 ` Andy Lutomirski
2015-04-22 17:07 ` Luis R. Rodriguez
2015-04-15 22:15 ` Luis R. Rodriguez
2015-04-15 22:50 ` Andy Walls
[not found] ` <1429138212.1899.34.camel-xioobY1GIEhKttHedORAlB2eb7JE58TQ@public.gmane.org>
2015-04-15 23:52 ` Andy Lutomirski
2015-04-16 0:33 ` Andy Walls
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