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Open Source and information security mailing list archives
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Date: Wed, 22 Apr 2015 14:46:37 -0600 From: Jason Gunthorpe <jgunthorpe@...idianresearch.com> To: Doug Ledford <dledford@...hat.com> Cc: "Luis R. Rodriguez" <mcgrof@...e.com>, Andy Lutomirski <luto@...capital.net>, mike.marciniszyn@...el.com, infinipath@...el.com, linux-rdma@...r.kernel.org, awalls@...metrocast.net, Toshi Kani <toshi.kani@...com>, "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...nel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Hal Rosenstock <hal.rosenstock@...il.com>, Sean Hefty <sean.hefty@...el.com>, Suresh Siddha <sbsiddha@...il.com>, Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>, Roland Dreier <roland@...estorage.com>, Juergen Gross <jgross@...e.com>, Mauro Carvalho Chehab <mchehab@....samsung.com>, Borislav Petkov <bp@...e.de>, Mel Gorman <mgorman@...e.de>, Vlastimil Babka <vbabka@...e.cz>, Davidlohr Bueso <dbueso@...e.de>, Dave Hansen <dave.hansen@...ux.intel.com>, Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>, Thomas Gleixner <tglx@...utronix.de>, Ville Syrj?l? <syrjala@....fi>, Linux Fbdev development list <linux-fbdev@...r.kernel.org>, linux-media@...r.kernel.org, X86 ML <x86@...nel.org>, mcgrof@...not-panic.com Subject: Re: ioremap_uc() followed by set_memory_wc() - burrying MTRR 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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