Thread (58 messages) flat view 58 messages, 9 authors, 2018-09-11

Re: [PATCH v5 06/13] PCI/P2PDMA: Add P2P DMA driver writer's documentation

From: Logan Gunthorpe <logang@deltatee.com>
Date: 2018-08-31 15:45:16
Also in: linux-nvme, linux-pci, linux-rdma, lkml, nvdimm

Hey,

Thanks for the review. I'll make the fixes for the next version.

On 30/08/18 06:34 PM, Randy Dunlap wrote:
quoted
+With the client list in hand, the orchestrator may then call> +:c:func:`pci_p2pmem_find()` to obtain a published P2P memory provider
+that is supported (behind the same root port) as all the clients. If more
+than one provider is supported, the one nearest to all the clients will
+be chosen first. If there are more than one provider is an equal distance
+away, the one returned will be chosen at random. This function returns the PCI
random or just arbitrarily?
Randomly. See pci_p2pmem_find() in patch 1. We use prandom_u32_max() to
select any of the supported devices.

Logan
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