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List:       linux-pci
Subject:    Re: [PATCH v8 10/13] nvme-pci: Add support for P2P memory in requests
From:       Keith Busch <keith.busch () linux ! intel ! com>
Date:       2018-09-27 17:10:38
Message-ID: 20180927171038.GD19589 () localhost ! localdomain
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On Thu, Sep 27, 2018 at 10:54:17AM -0600, Logan Gunthorpe wrote:
> For P2P requests, we must use the pci_p2pmem_map_sg() function
> instead of the dma_map_sg functions.
> 
> With that, we can then indicate PCI_P2P support in the request queue.
> For this, we create an NVME_F_PCI_P2P flag which tells the core to
> set QUEUE_FLAG_PCI_P2P in the request queue.
> 
> Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
> Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
> Reviewed-by: Christoph Hellwig <hch@lst.de>

Looks good to me as well.

Reviewed-by: Keith Busch <keith.busch@intel.com>
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