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Date:   Thu, 16 Aug 2018 08:49:40 -0700
From:   Matthew Wilcox <willy@infradead.org>
To:     Jon Derrick <jonathan.derrick@intel.com>
Cc:     linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-doc@vger.kernel.org, Bjorn Helgaas <helgaas@kernel.org>,
        Keith Busch <keith.busch@intel.com>,
        Sinan Kaya <okaya@kernel.org>,
        Oza Pawandeep <poza@codeaurora.org>,
        Dongdong Liu <liudongdong3@huawei.com>
Subject: Re: [PATCH 1/2] PCI/DPC: Add 'nodpc' parameter
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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

Is it possible they might only want to disable DPC on a subset of the
hierarchy rather than globally?