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

Subject: Re: [PATCH v2 13/14] PCI/P2PDMA: No longer require no-mmu for host bridge whitelist
From: Christoph Hellwig <hch@xxxxxx>
Date: Wed, 7 Aug 2019 07:59:58 +0200
Cc: linux-kernel@xxxxxxxxxxxxxxx, linux-pci@xxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, linux-rdma@xxxxxxxxxxxxxxx, Bjorn Helgaas <bhelgaas@xxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Christian Koenig <Christian.Koenig@xxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxxxxxx>, Sagi Grimberg <sagi@xxxxxxxxxxx>, Keith Busch <kbusch@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Eric Pilmore <epilmore@xxxxxxxxxx>, Stephen Bates <sbates@xxxxxxxxxxxx>
In-reply-to: <20190730163545.4915-14-logang@deltatee.com>
References: <20190730163545.4915-1-logang@deltatee.com> <20190730163545.4915-14-logang@deltatee.com>
User-agent: Mutt/1.5.17 (2007-11-01)

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

Follow-Ups:
- Re: [PATCH v2 13/14] PCI/P2PDMA: No longer require no-mmu for host bridge whitelist
  - From: Bjorn Helgaas

References:
- [PATCH v2 00/14] PCI/P2PDMA: Support transactions that hit the host bridge
  - From: Logan Gunthorpe
- [PATCH v2 13/14] PCI/P2PDMA: No longer require no-mmu for host bridge whitelist
  - From: Logan Gunthorpe