Re: [PATCH 04/16] PCI/P2PDMA: Refactor pci_p2pdma_map_type() to take pagmap... | linux-mm

[PATCH 00/16] Add new DMA mapping operation for P2PDMA · Logan Gunthorpe <logang@deltatee.com> · 2021-04-08
[PATCH 04/16] PCI/P2PDMA: Refactor pci_p2pdma_map_type() to take pagmap and device · Logan Gunthorpe <logang@deltatee.com> · 2021-04-08
Re: [PATCH 04/16] PCI/P2PDMA: Refactor pci_p2pdma_map_type() to take pagmap and device · John Hubbard <jhubbard@nvidia.com> · 2021-05-02
Re: [PATCH 04/16] PCI/P2PDMA: Refactor pci_p2pdma_map_type() to take pagmap and device · Logan Gunthorpe <logang@deltatee.com> · 2021-05-03
Re: [PATCH 04/16] PCI/P2PDMA: Refactor pci_p2pdma_map_type() to take pagmap and device · John Hubbard <jhubbard@nvidia.com> · 2021-05-03
Re: [PATCH 04/16] PCI/P2PDMA: Refactor pci_p2pdma_map_type() to take pagmap and device · Logan Gunthorpe <logang@deltatee.com> · 2021-05-03
Re: [PATCH 04/16] PCI/P2PDMA: Refactor pci_p2pdma_map_type() to take pagmap and device · John Hubbard <jhubbard@nvidia.com> · 2021-05-03
Re: [PATCH 04/16] PCI/P2PDMA: Refactor pci_p2pdma_map_type() to take pagmap and device · Jason Gunthorpe <jgg@ziepe.ca> · 2021-05-03
Re: [PATCH 04/16] PCI/P2PDMA: Refactor pci_p2pdma_map_type() to take pagmap and device · John Hubbard <jhubbard@nvidia.com> · 2021-05-03
[PATCH 03/16] PCI/P2PDMA: Attempt to set map_type if it has not been set · Logan Gunthorpe <logang@deltatee.com> · 2021-04-08
Re: [PATCH 03/16] PCI/P2PDMA: Attempt to set map_type if it has not been set · John Hubbard <jhubbard@nvidia.com> · 2021-05-02
Re: [PATCH 03/16] PCI/P2PDMA: Attempt to set map_type if it has not been set · Logan Gunthorpe <logang@deltatee.com> · 2021-05-03
Re: [PATCH 03/16] PCI/P2PDMA: Attempt to set map_type if it has not been set · John Hubbard <jhubbard@nvidia.com> · 2021-05-03
Re: [PATCH 03/16] PCI/P2PDMA: Attempt to set map_type if it has not been set · Christoph Hellwig <hch@lst.de> · 2021-05-03
Re: [PATCH 03/16] PCI/P2PDMA: Attempt to set map_type if it has not been set · Logan Gunthorpe <logang@deltatee.com> · 2021-05-03
Re: [PATCH 03/16] PCI/P2PDMA: Attempt to set map_type if it has not been set · Don Dutile <hidden> · 2021-05-11
[PATCH 02/16] PCI/P2PDMA: Avoid pci_get_slot() which sleeps · Logan Gunthorpe <logang@deltatee.com> · 2021-04-08
Re: [PATCH 02/16] PCI/P2PDMA: Avoid pci_get_slot() which sleeps · John Hubbard <jhubbard@nvidia.com> · 2021-05-02
Re: [PATCH 02/16] PCI/P2PDMA: Avoid pci_get_slot() which sleeps · Logan Gunthorpe <logang@deltatee.com> · 2021-05-03
Re: [PATCH 02/16] PCI/P2PDMA: Avoid pci_get_slot() which sleeps · John Hubbard <jhubbard@nvidia.com> · 2021-05-03
Re: [PATCH 02/16] PCI/P2PDMA: Avoid pci_get_slot() which sleeps · Christoph Hellwig <hch@lst.de> · 2021-05-03
Re: [PATCH 02/16] PCI/P2PDMA: Avoid pci_get_slot() which sleeps · Don Dutile <hidden> · 2021-05-11
Re: [PATCH 02/16] PCI/P2PDMA: Avoid pci_get_slot() which sleeps · Logan Gunthorpe <logang@deltatee.com> · 2021-05-11
Re: [PATCH 02/16] PCI/P2PDMA: Avoid pci_get_slot() which sleeps · Don Dutile <hidden> · 2021-05-11
Re: [PATCH 02/16] PCI/P2PDMA: Avoid pci_get_slot() which sleeps · Logan Gunthorpe <logang@deltatee.com> · 2021-05-11
[PATCH 01/16] PCI/P2PDMA: Pass gfp_mask flags to upstream_bridge_distance_warn() · Logan Gunthorpe <logang@deltatee.com> · 2021-04-08
Re: [PATCH 01/16] PCI/P2PDMA: Pass gfp_mask flags to upstream_bridge_distance_warn() · John Hubbard <jhubbard@nvidia.com> · 2021-05-02
Re: [PATCH 01/16] PCI/P2PDMA: Pass gfp_mask flags to upstream_bridge_distance_warn() · Logan Gunthorpe <logang@deltatee.com> · 2021-05-03
Re: [PATCH 01/16] PCI/P2PDMA: Pass gfp_mask flags to upstream_bridge_distance_warn() · John Hubbard <jhubbard@nvidia.com> · 2021-05-03
Re: [PATCH 01/16] PCI/P2PDMA: Pass gfp_mask flags to upstream_bridge_distance_warn() · Logan Gunthorpe <logang@deltatee.com> · 2021-05-03
Re: [PATCH 01/16] PCI/P2PDMA: Pass gfp_mask flags to upstream_bridge_distance_warn() · John Hubbard <jhubbard@nvidia.com> · 2021-05-03
Re: [PATCH 01/16] PCI/P2PDMA: Pass gfp_mask flags to upstream_bridge_distance_warn() · Christoph Hellwig <hch@lst.de> · 2021-05-03
Re: [PATCH 01/16] PCI/P2PDMA: Pass gfp_mask flags to upstream_bridge_distance_warn() · Don Dutile <hidden> · 2021-05-11
Re: [PATCH 01/16] PCI/P2PDMA: Pass gfp_mask flags to upstream_bridge_distance_warn() · Logan Gunthorpe <logang@deltatee.com> · 2021-05-11
Re: [PATCH 01/16] PCI/P2PDMA: Pass gfp_mask flags to upstream_bridge_distance_warn() · Don Dutile <hidden> · 2021-05-11
[PATCH 15/16] RDMA/rw: use dma_map_sg_p2pdma() · Logan Gunthorpe <logang@deltatee.com> · 2021-04-08
[PATCH 16/16] PCI/P2PDMA: Remove pci_p2pdma_[un]map_sg() · Logan Gunthorpe <logang@deltatee.com> · 2021-04-08
[PATCH 10/16] dma-mapping: Add flags to dma_map_ops to indicate PCI P2PDMA support · Logan Gunthorpe <logang@deltatee.com> · 2021-04-08
Re: [PATCH 10/16] dma-mapping: Add flags to dma_map_ops to indicate PCI P2PDMA support · John Hubbard <jhubbard@nvidia.com> · 2021-05-03
Re: [PATCH 10/16] dma-mapping: Add flags to dma_map_ops to indicate PCI P2PDMA support · Logan Gunthorpe <logang@deltatee.com> · 2021-05-03
Re: [PATCH 10/16] dma-mapping: Add flags to dma_map_ops to indicate PCI P2PDMA support · Don Dutile <hidden> · 2021-05-11
Re: [PATCH 10/16] dma-mapping: Add flags to dma_map_ops to indicate PCI P2PDMA support · Logan Gunthorpe <logang@deltatee.com> · 2021-05-11
[PATCH 14/16] nvme-rdma: Ensure dma support when using p2pdma · Logan Gunthorpe <logang@deltatee.com> · 2021-04-08
Re: [PATCH 14/16] nvme-rdma: Ensure dma support when using p2pdma · Jason Gunthorpe <jgg@ziepe.ca> · 2021-04-27
Re: [PATCH 14/16] nvme-rdma: Ensure dma support when using p2pdma · Logan Gunthorpe <logang@deltatee.com> · 2021-04-27
Re: [PATCH 14/16] nvme-rdma: Ensure dma support when using p2pdma · John Hubbard <jhubbard@nvidia.com> · 2021-05-03
[PATCH 12/16] nvme-pci: Check DMA ops when indicating support for PCI P2PDMA · Logan Gunthorpe <logang@deltatee.com> · 2021-04-08
Re: [PATCH 12/16] nvme-pci: Check DMA ops when indicating support for PCI P2PDMA · John Hubbard <jhubbard@nvidia.com> · 2021-05-03
Re: [PATCH 12/16] nvme-pci: Check DMA ops when indicating support for PCI P2PDMA · Logan Gunthorpe <logang@deltatee.com> · 2021-05-03
Re: [PATCH 12/16] nvme-pci: Check DMA ops when indicating support for PCI P2PDMA · John Hubbard <jhubbard@nvidia.com> · 2021-05-04
[PATCH 13/16] nvme-pci: Convert to using dma_map_sg_p2pdma for p2pdma pages · Logan Gunthorpe <logang@deltatee.com> · 2021-04-08
Re: [PATCH 13/16] nvme-pci: Convert to using dma_map_sg_p2pdma for p2pdma pages · John Hubbard <jhubbard@nvidia.com> · 2021-05-03
Re: [PATCH 13/16] nvme-pci: Convert to using dma_map_sg_p2pdma for p2pdma pages · Logan Gunthorpe <logang@deltatee.com> · 2021-05-03
Re: [PATCH 13/16] nvme-pci: Convert to using dma_map_sg_p2pdma for p2pdma pages · John Hubbard <jhubbard@nvidia.com> · 2021-05-04
[PATCH 09/16] dma-direct: Support PCI P2PDMA pages in dma-direct map_sg · Logan Gunthorpe <logang@deltatee.com> · 2021-04-08
Re: [PATCH 09/16] dma-direct: Support PCI P2PDMA pages in dma-direct map_sg · Jason Gunthorpe <jgg@ziepe.ca> · 2021-04-27
Re: [PATCH 09/16] dma-direct: Support PCI P2PDMA pages in dma-direct map_sg · Jason Gunthorpe <jgg@ziepe.ca> · 2021-04-27
Re: [PATCH 09/16] dma-direct: Support PCI P2PDMA pages in dma-direct map_sg · Logan Gunthorpe <logang@deltatee.com> · 2021-04-27
Re: [PATCH 09/16] dma-direct: Support PCI P2PDMA pages in dma-direct map_sg · John Hubbard <jhubbard@nvidia.com> · 2021-05-02
Re: [PATCH 09/16] dma-direct: Support PCI P2PDMA pages in dma-direct map_sg · John Hubbard <jhubbard@nvidia.com> · 2021-05-02
Re: [PATCH 09/16] dma-direct: Support PCI P2PDMA pages in dma-direct map_sg · Logan Gunthorpe <logang@deltatee.com> · 2021-05-03
Re: [PATCH 09/16] dma-direct: Support PCI P2PDMA pages in dma-direct map_sg · Logan Gunthorpe <logang@deltatee.com> · 2021-05-03
Re: [PATCH 09/16] dma-direct: Support PCI P2PDMA pages in dma-direct map_sg · John Hubbard <jhubbard@nvidia.com> · 2021-05-04
Re: [PATCH 09/16] dma-direct: Support PCI P2PDMA pages in dma-direct map_sg · Logan Gunthorpe <logang@deltatee.com> · 2021-05-03
Re: [PATCH 09/16] dma-direct: Support PCI P2PDMA pages in dma-direct map_sg · John Hubbard <jhubbard@nvidia.com> · 2021-05-04
[PATCH 08/16] PCI/P2PDMA: Introduce helpers for dma_map_sg implementations · Logan Gunthorpe <logang@deltatee.com> · 2021-04-08
Re: [PATCH 08/16] PCI/P2PDMA: Introduce helpers for dma_map_sg implementations · John Hubbard <jhubbard@nvidia.com> · 2021-05-02
Re: [PATCH 08/16] PCI/P2PDMA: Introduce helpers for dma_map_sg implementations · John Hubbard <jhubbard@nvidia.com> · 2021-05-03
Re: [PATCH 08/16] PCI/P2PDMA: Introduce helpers for dma_map_sg implementations · Logan Gunthorpe <logang@deltatee.com> · 2021-05-03
[PATCH 07/16] PCI/P2PDMA: Make pci_p2pdma_map_type() non-static · Logan Gunthorpe <logang@deltatee.com> · 2021-04-08
Re: [PATCH 07/16] PCI/P2PDMA: Make pci_p2pdma_map_type() non-static · John Hubbard <jhubbard@nvidia.com> · 2021-05-02
Re: [PATCH 07/16] PCI/P2PDMA: Make pci_p2pdma_map_type() non-static · Logan Gunthorpe <logang@deltatee.com> · 2021-05-03
Re: [PATCH 07/16] PCI/P2PDMA: Make pci_p2pdma_map_type() non-static · Don Dutile <hidden> · 2021-05-11
Re: [PATCH 07/16] PCI/P2PDMA: Make pci_p2pdma_map_type() non-static · Logan Gunthorpe <logang@deltatee.com> · 2021-05-11
[PATCH 06/16] lib/scatterlist: Add flag for indicating P2PDMA segments in an SGL · Logan Gunthorpe <logang@deltatee.com> · 2021-04-08
Re: [PATCH 06/16] lib/scatterlist: Add flag for indicating P2PDMA segments in an SGL · John Hubbard <jhubbard@nvidia.com> · 2021-05-02
Re: [PATCH 00/16] Add new DMA mapping operation for P2PDMA · Jason Gunthorpe <jgg@ziepe.ca> · 2021-04-27
Re: [PATCH 00/16] Add new DMA mapping operation for P2PDMA · John Hubbard <jhubbard@nvidia.com> · 2021-04-27
Re: [PATCH 00/16] Add new DMA mapping operation for P2PDMA · Dan Williams <hidden> · 2021-04-27
Re: [PATCH 00/16] Add new DMA mapping operation for P2PDMA · John Hubbard <jhubbard@nvidia.com> · 2021-05-02
Re: [PATCH 00/16] Add new DMA mapping operation for P2PDMA · Don Dutile <hidden> · 2021-05-11

Re: [PATCH 04/16] PCI/P2PDMA: Refactor pci_p2pdma_map_type() to take pagmap and device

From: Jason Gunthorpe <jgg@ziepe.ca>
Date: 2021-05-03 22:57:11
Also in: linux-block, linux-iommu, linux-nvme, linux-pci, lkml

On Mon, May 03, 2021 at 02:54:26PM -0700, John Hubbard wrote:

I guess my main concern here is that there are these pci*() functions
that somehow want to pass around struct device.

Well, this is the main issue - helpers being used inside IOMMU code
should not be called pci* functions. This is some generic device p2p
interface that happens to only support PCI to PCI transfers today.

Jason

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