linux-kernel - Re: [PATCH v2 13/14] PCI/P2PDMA: No longer require no-mmu for host bridge whitelist

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Message-ID: <20190807055958.GC6627@lst.de>
Date:   Wed, 7 Aug 2019 07:59:58 +0200
From:   Christoph Hellwig <hch@....de>
To:     Logan Gunthorpe <logang@...tatee.com>
Cc:     linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-nvme@...ts.infradead.org, linux-rdma@...r.kernel.org,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Christoph Hellwig <hch@....de>,
        Christian Koenig <Christian.Koenig@....com>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Sagi Grimberg <sagi@...mberg.me>,
        Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
        Dan Williams <dan.j.williams@...el.com>,
        Eric Pilmore <epilmore@...aio.com>,
        Stephen Bates <sbates@...thlin.com>
Subject: Re: [PATCH v2 13/14] PCI/P2PDMA: No longer require no-mmu for host
 bridge whitelist

no-mmu sounds stange, as we use that for linux ports without paging
hardware.  I think an "io" got lost somewhere..