Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934433AbbDVTKy (ORCPT ); Wed, 22 Apr 2015 15:10:54 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40577 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966164AbbDVTKt (ORCPT ); Wed, 22 Apr 2015 15:10:49 -0400 Message-ID: <1429729841.121496.15.camel@redhat.com> Subject: Re: ioremap_uc() followed by set_memory_wc() - burrying MTRR From: Doug Ledford To: "Luis R. Rodriguez" Cc: Jason Gunthorpe , Andy Lutomirski , mike.marciniszyn@intel.com, infinipath@intel.com, linux-rdma@vger.kernel.org, awalls@md.metrocast.net, Toshi Kani , "H. Peter Anvin" , Ingo Molnar , "linux-kernel@vger.kernel.org" , Hal Rosenstock , Sean Hefty , Suresh Siddha , Rickard Strandqvist , Roland Dreier , Juergen Gross , Mauro Carvalho Chehab , Borislav Petkov , Mel Gorman , Vlastimil Babka , Davidlohr Bueso , Dave Hansen , Jean-Christophe Plagniol-Villard , Thomas Gleixner , Ville Syrj?l? , Linux Fbdev development list , linux-media@vger.kernel.org, X86 ML , mcgrof@do-not-panic.com Date: Wed, 22 Apr 2015 15:10:41 -0400 In-Reply-To: <20150422190520.GL5622@wotan.suse.de> References: <20150421224601.GY5622@wotan.suse.de> <20150421225732.GA17356@obsidianresearch.com> <20150421233907.GA5622@wotan.suse.de> <20150422053939.GA29609@obsidianresearch.com> <20150422152328.GB5622@wotan.suse.de> <20150422161755.GA19500@obsidianresearch.com> <1429728791.121496.10.camel@redhat.com> <20150422190520.GL5622@wotan.suse.de> Organization: Red Hat, Inc. Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-dCjLMPsKMR7z2C2qa+3g" Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2055 Lines: 57 --=-dCjLMPsKMR7z2C2qa+3g Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, 2015-04-22 at 21:05 +0200, Luis R. Rodriguez wrote: > > > I'd also love to remove the driver if it turns out there are actually > > > no users. qib substantially replaces it except for a few very old > > > cards. > >=20 > > To be precise, the split is that ipath powers the old HTX bus cards tha= t > > only work in AMD systems, >=20 > Do those systems have PAT support? CAn anyone check if PAT is enabled > if booted on a recent kernel? I don't have one of these systems any more. The *only* one I ever had was a monster IBM box...I can't even find a reference to it any more. --=20 Doug Ledford GPG KeyID: 0E572FDD --=-dCjLMPsKMR7z2C2qa+3g Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABAgAGBQJVN/IxAAoJELgmozMOVy/du3IP/0Jpym1XlEaHbs8VPW5eIUeo nBmjI+u83HHMdlRCxRUmVK0gPTaenrb1DrJamOd7pLPJpUnjHkwtJXDWCwUabtws Thf2UfXuTto2vVsrAeTjh7F2d/rZALxpbkUFVtbD+gnXY+ahLNaR483X1YxUQJdW E6mm/C8HYt1ULIPO8b3I6yCzTZ9T6JLliSL0P5A5KTTbCM4jp6U58MHH/Bchsydr EtsEe22MViZGecr1vk/gXS0cFSGrQZDIExiNHlBPf+N1OlxXRCoub3yz9DcwTSAR Fe3poICUtYsy3TYUjYyj48AvrJr3bvgenAlwMYVmA2aqd3DEzDj9sQ6s+fMWjp/R vg5PAuxxqMvcv7hXi4mGfuB1Z9HnK9aP3Hp2sds6eK9rj2Gd2WQmqWlgMgVbHk/i 3G/NIZJjg3dobC2kZJuphNUgh7Exp1v9pVHjSnf4yekcGXsLDqiX6XOJ38z7vmkO KtyMT//On8RxbCHB05pOf22zts5skuD8Z37kEAiV3taJt3r2Jh6tXXdv3LaR/E4o dXk8DDKoyht5lKTfPk8CcGqtwQZGNwaBk0qQQ2i4D8oPbMd7Pf/REDxZx1uMF0MS dEZolMpUfGkamtS/bmiY3vCwOKHWSeT8+MwVqbiue2MX8zO02o4c8sIElHDWJoSj q/f0BgRKCKwzM3R8zPr2 =MKRB -----END PGP SIGNATURE----- --=-dCjLMPsKMR7z2C2qa+3g-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/