linux-kernel - Re: [PATCH v5 01/13] PCI/P2PDMA: Support peer-to-peer memory

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sat, 1 Sep 2018 10:27:03 +0200
From:   Christoph Hellwig <hch@....de>
To:     Logan Gunthorpe <logang@...tatee.com>
Cc:     Christian König <christian.koenig@....com>,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-nvme@...ts.infradead.org, linux-rdma@...r.kernel.org,
        linux-nvdimm@...ts.01.org, linux-block@...r.kernel.org,
        Stephen Bates <sbates@...thlin.com>,
        Christoph Hellwig <hch@....de>,
        Keith Busch <keith.busch@...el.com>,
        Sagi Grimberg <sagi@...mberg.me>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Max Gurtovoy <maxg@...lanox.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Jérôme Glisse <jglisse@...hat.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Alex Williamson <alex.williamson@...hat.com>
Subject: Re: [PATCH v5 01/13] PCI/P2PDMA: Support peer-to-peer memory

On Fri, Aug 31, 2018 at 09:48:40AM -0600, Logan Gunthorpe wrote:
> Pretty easy. P2P detection is pretty much just pci_p2pdma_distance() ,
> which has nothing to do with the ZONE_DEVICE support.
> 
> (And the distance function makes use of a number of static functions
> which could be combined into a simpler interface, should we need it.)

I'd ѕay lets get things merged as-is, so that we can review the
non-ZONE_DEVICE users.  I'm a little curious how that is going to work,
so having it as a full series would be useful.