Messages in this thread | | | From | Logan Gunthorpe <> | Date | Fri, 31 Aug 2018 09:44:53 -0600 | Subject | Re: [PATCH v5 06/13] PCI/P2PDMA: Add P2P DMA driver writer's documentation |
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Hey,
Thanks for the review. I'll make the fixes for the next version.
On 30/08/18 06:34 PM, Randy Dunlap wrote: >> +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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