From mboxrd@z Thu Jan 1 00:00:00 1970 From: logang@deltatee.com (Logan Gunthorpe) Date: Wed, 14 Mar 2018 13:30:59 -0600 Subject: [PATCH v3 01/11] PCI/P2PDMA: Support peer-to-peer memory In-Reply-To: References: <3ea80992-a0fc-08f2-d93d-ae0ec4e3f4ce@codeaurora.org> <4eb6850c-df1b-fd44-3ee0-d43a50270b53@deltatee.com> <757fca36-dee4-e070-669e-f2788bd78e41@codeaurora.org> <4f761f55-4e9a-dccb-d12f-c59d2cd689db@deltatee.com> <20180313230850.GA45763@bhelgaas-glaptop.roam.corp.google.com> <8de5d3dd-a78f-02d5-0eea-4365364143b6@deltatee.com> <20180314025639.GA50067@bhelgaas-glaptop.roam.corp.google.com> <112493af-ccd0-455b-6600-b50764f7ab7e@deltatee.com> <20180314185159.GD179719@bhelgaas-glaptop.roam.corp.google.com> Message-ID: On 14/03/18 01:28 PM, Dan Williams wrote: > P2P over PCI/PCI-X is quite common in devices like raid controllers. > It would be useful if those configurations were not left behind so > that Linux could feasibly deploy offload code to a controller in the > PCI domain. Thanks for the note. Neat. In the end nothing is getting left behind it's just work for someone to add support. Even if I wasn't already going to make the change I mentioned it all fits in the architecture and APIs quite easily. Logan