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[209.132.180.67]) by mx.google.com with ESMTP id v1-v6si41090pfc.159.2018.08.16.11.44.30; Thu, 16 Aug 2018 11:44:46 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404197AbeHPSuI (ORCPT + 99 others); Thu, 16 Aug 2018 14:50:08 -0400 Received: from mga03.intel.com ([134.134.136.65]:61409 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726170AbeHPSuH (ORCPT ); Thu, 16 Aug 2018 14:50:07 -0400 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Aug 2018 08:50:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,247,1531810800"; d="p7s'?scan'208";a="73313514" Received: from orsmsx105.amr.corp.intel.com ([10.22.225.132]) by FMSMGA003.fm.intel.com with ESMTP; 16 Aug 2018 08:50:48 -0700 Received: from orsmsx101.amr.corp.intel.com ([169.254.8.46]) by ORSMSX105.amr.corp.intel.com ([169.254.2.117]) with mapi id 14.03.0319.002; Thu, 16 Aug 2018 08:50:48 -0700 From: "Derrick, Jonathan" To: "willy@infradead.org" CC: "linux-kernel@vger.kernel.org" , "okaya@kernel.org" , "liudongdong3@huawei.com" , "helgaas@kernel.org" , "poza@codeaurora.org" , "linux-pci@vger.kernel.org" , "Busch, Keith" , "linux-doc@vger.kernel.org" Subject: Re: [PATCH 1/2] PCI/DPC: Add 'nodpc' parameter Thread-Topic: [PATCH 1/2] PCI/DPC: Add 'nodpc' parameter Thread-Index: AQHUNN8oPZdeP/Rn10aUfkbk3uP46aTC/RYAgAAASYA= Date: Thu, 16 Aug 2018 15:50:47 +0000 Message-ID: <1534434641.17819.27.camel@intel.com> References: <1534368400-2807-1-git-send-email-jonathan.derrick@intel.com> <20180816154940.GD5762@bombadil.infradead.org> In-Reply-To: <20180816154940.GD5762@bombadil.infradead.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-originating-ip: [10.255.4.68] Content-Type: multipart/signed; micalg=sha-1; protocol="application/x-pkcs7-signature"; boundary="=-XZ2KnNYCxdCEMPhiMSCU" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-XZ2KnNYCxdCEMPhiMSCU Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Thu, 2018-08-16 at 08:49 -0700, Matthew Wilcox wrote: > On Wed, Aug 15, 2018 at 03:26:39PM -0600, Jon Derrick wrote: > > Some users may want to disable downstream port containment (DPC), > > so > > give them this option >=20 > Is it possible they might only want to disable DPC on a subset of the > hierarchy rather than globally? Absolutely. 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