From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from oproxy7-pub.bluehost.com ([67.222.55.9]:58023 "HELO oproxy7-pub.bluehost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751985Ab2A0Ret (ORCPT ); Fri, 27 Jan 2012 12:34:49 -0500 Date: Fri, 27 Jan 2012 09:34:46 -0800 From: Jesse Barnes To: Bjorn Helgaas Cc: linux-pci@vger.kernel.org, Yinghai Lu Subject: Re: [PATCH] x86/PCI: don't fall back to defaults if _CRS has no apertures Message-ID: <20120127093446.23955111@jbarnes-desktop> In-Reply-To: <20120118004121.1089.43631.stgit@bhelgaas.mtv.corp.google.com> References: <20120118004027.1089.93781.stgit@bhelgaas.mtv.corp.google.com> <20120118004121.1089.43631.stgit@bhelgaas.mtv.corp.google.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/hvlKrr9=ngPUmIysc9x961r"; protocol="application/pgp-signature" Sender: linux-pci-owner@vger.kernel.org List-ID: --Sig_/hvlKrr9=ngPUmIysc9x961r Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Tue, 17 Jan 2012 17:41:21 -0700 Bjorn Helgaas wrote: > Host bridges that lead to things like the Uncore need not have any > I/O port or MMIO apertures. For example, in this case: >=20 > ACPI: PCI Root Bridge [UNC1] (domain 0000 [bus ff]) > PCI: root bus ff: using default resources > PCI host bridge to bus 0000:ff > pci_bus 0000:ff: root bus resource [io 0x0000-0xffff] > pci_bus 0000:ff: root bus resource [mem 0x00000000-0x3fffffffffff] >=20 > we should not pretend those default resources are available on bus ff. Applied to -next, let's see if this _CRS change breaks anything. :) Thanks, --=20 Jesse Barnes, Intel Open Source Technology Center --Sig_/hvlKrr9=ngPUmIysc9x961r Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQIcBAEBAgAGBQJPIuA2AAoJEIEoDkX4Qk9h4MQP/iokIyX9WN4TP44TCpKI0kML H5JJMGJNHTYRtPrRjH7lDROhYsLVsbnywQObQ7eey6IDh3dPf3xa5MJJmM5MygG8 0cVNr8Ma4YD1zo21DvHwZXam3Zb9+9wNqFoo7rwPvEpWgMmaPPX89/hdzz0XfDtX icRNIvWBTCMeIfoU5eEYn456y79mTwidlLdLU4PQXq3x/YVOzYVcsrhGquWE1w7x wpoeDTKD38WZZmek6cnx9BaTCp+SOOlg2yebrc6vhCiiZ8QfbKRP86bObxS9Twpr GumyKfdZMPpgxUVljksOA+W/TEI2Egjj5MN1L/cwZz7AdPqgvcHiMVLMDdAGDkIA BzkjxmsS3w2wU3QaxwSrVY5UqnmKB1/aXdY3eRGQwYy6IAldB1WfB//FRLiAV79W D3+vjbALa8iht2PLoqWn/YsBQ18fKdXlbArhm63l7IokPVIvWsKJ/aCsLimbMX+U SdyYsiQARGzYGDCeG8Z40fUdtFuOYiIAKcOf9r1fIfrTY5XIKnVxRC7t0z+Vr/Qn +rOQY98TfSTrELhOp5hnd6a2+NtUKgpMUjsr65HS3csQR/myhsrYTPlty22VPjXJ V+mp1xhN2S+A7e95CigNXLgqt+ac+nz1xrGALFQKiRPKuYbiMR4FBgFNdwjKGcat irVObb8M1t1h7YPuamOD =Mck2 -----END PGP SIGNATURE----- --Sig_/hvlKrr9=ngPUmIysc9x961r--