linux-kernel - Re: [PATCH 1/2] PCI/DPC: Add 'nodpc' parameter

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Message-ID: <20180816154940.GD5762@bombadil.infradead.org>
Date:   Thu, 16 Aug 2018 08:49:40 -0700
From:   Matthew Wilcox <willy@...radead.org>
To:     Jon Derrick <jonathan.derrick@...el.com>
Cc:     linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, Bjorn Helgaas <helgaas@...nel.org>,
        Keith Busch <keith.busch@...el.com>,
        Sinan Kaya <okaya@...nel.org>,
        Oza Pawandeep <poza@...eaurora.org>,
        Dongdong Liu <liudongdong3@...wei.com>
Subject: Re: [PATCH 1/2] PCI/DPC: Add 'nodpc' parameter

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?