From: Christoph Hellwig <hch@lst.de>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>,
Logan Gunthorpe <logang@deltatee.com>,
Sagi Grimberg <sagi@grimberg.me>,
linux-rdma@vger.kernel.org, linux-pci@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org,
Christian Koenig <Christian.Koenig@amd.com>,
Jens Axboe <axboe@fb.com>, Keith Busch <kbusch@kernel.org>,
Jason Gunthorpe <jgg@mellanox.com>,
Stephen Bates <sbates@raithlin.com>,
Dan Williams <dan.j.williams@intel.com>,
Eric Pilmore <epilmore@gigaio.com>
Subject: Re: [PATCH v2 13/14] PCI/P2PDMA: No longer require no-mmu for host bridge whitelist
Date: Thu, 8 Aug 2019 09:29:47 +0200 [thread overview]
Message-ID: <20190808072947.GB29852@lst.de> (raw)
In-Reply-To: <20190807124259.GX151852@google.com>
On Wed, Aug 07, 2019 at 07:43:01AM -0500, Bjorn Helgaas wrote:
> On Wed, Aug 07, 2019 at 07:59:58AM +0200, Christoph Hellwig wrote:
> > no-mmu sounds stange, as we use that for linux ports without paging
> > hardware. I think an "io" got lost somewhere..
>
> I had already changed the subject to
>
> PCI/P2PDMA: Allow IOMMU for host bridge whitelist
>
> but certainly open to better suggestions.
Maybe:
PCI/P2PDMA: Allow P2P transfers behind IOMMUs
?
next prev parent reply other threads:[~2019-08-08 7:29 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-30 16:35 [PATCH v2 00/14] PCI/P2PDMA: Support transactions that hit the host bridge Logan Gunthorpe
2019-07-30 16:35 ` [PATCH v2 01/14] PCI/P2PDMA: Introduce private pagemap structure Logan Gunthorpe
2019-07-30 16:35 ` [PATCH v2 02/14] PCI/P2PDMA: Add the provider's pci_dev to the pci_p2pdma_pagemap struct Logan Gunthorpe
2019-07-30 16:35 ` [PATCH v2 03/14] PCI/P2PDMA: Add constants for not-supported result upstream_bridge_distance() Logan Gunthorpe
2019-08-07 5:54 ` Christoph Hellwig
2019-08-07 15:58 ` Logan Gunthorpe
2019-08-08 7:31 ` Christoph Hellwig
2019-08-08 15:58 ` Logan Gunthorpe
2019-07-30 16:35 ` [PATCH v2 04/14] PCI/P2PDMA: Factor out __upstream_bridge_distance() Logan Gunthorpe
2019-07-30 16:35 ` [PATCH v2 05/14] PCI/P2PDMA: Apply host bridge white list for ACS Logan Gunthorpe
2019-07-30 16:35 ` [PATCH v2 06/14] PCI/P2PDMA: Factor out host_bridge_whitelist() Logan Gunthorpe
2019-07-30 16:35 ` [PATCH v2 07/14] PCI/P2PDMA: Add whitelist support for Intel Host Bridges Logan Gunthorpe
2019-07-30 16:35 ` [PATCH v2 08/14] PCI/P2PDMA: Add attrs argument to pci_p2pdma_map_sg() Logan Gunthorpe
2019-07-30 16:35 ` [PATCH v2 09/14] PCI/P2PDMA: Introduce pci_p2pdma_unmap_sg() Logan Gunthorpe
2019-07-30 16:35 ` [PATCH v2 10/14] PCI/P2PDMA: Factor out __pci_p2pdma_map_sg() Logan Gunthorpe
2019-07-30 16:35 ` [PATCH v2 11/14] PCI/P2PDMA: Store mapping method in an xarray Logan Gunthorpe
2019-08-07 5:59 ` Christoph Hellwig
2019-07-30 16:35 ` [PATCH v2 12/14] PCI/P2PDMA: dma_map P2PDMA map requests that traverse the host bridge Logan Gunthorpe
2019-07-30 16:35 ` [PATCH v2 13/14] PCI/P2PDMA: No longer require no-mmu for host bridge whitelist Logan Gunthorpe
2019-08-07 5:59 ` Christoph Hellwig
2019-08-07 12:43 ` Bjorn Helgaas
2019-08-08 7:29 ` Christoph Hellwig [this message]
2019-07-30 16:35 ` [PATCH v2 14/14] PCI/P2PDMA: Update documentation for pci_p2pdma_distance_many() Logan Gunthorpe
2019-08-06 23:44 ` [PATCH v2 00/14] PCI/P2PDMA: Support transactions that hit the host bridge Bjorn Helgaas
2019-08-07 0:31 ` Logan Gunthorpe
2019-08-07 19:29 ` Bjorn Helgaas
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