Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches

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Subject: Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches
From: "Stephen Bates" <sbates@xxxxxxxxxxxx>
Date: Thu, 10 May 2018 18:44:25 +0000
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Cc: Logan Gunthorpe <logang@xxxxxxxxxxxx>, Alex Williamson <alex.williamson@xxxxxxxxxx>, Bjorn Helgaas <helgaas@xxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "linux-pci@xxxxxxxxxxxxxxx" <linux-pci@xxxxxxxxxxxxxxx>, "linux-nvme@xxxxxxxxxxxxxxxxxxx" <linux-nvme@xxxxxxxxxxxxxxxxxxx>, "linux-rdma@xxxxxxxxxxxxxxx" <linux-rdma@xxxxxxxxxxxxxxx>, "linux-nvdimm@xxxxxxxxxxxx" <linux-nvdimm@xxxxxxxxxxxx>, "linux-block@xxxxxxxxxxxxxxx" <linux-block@xxxxxxxxxxxxxxx>, "Christoph Hellwig" <hch@xxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Keith Busch <keith.busch@xxxxxxxxx>, Sagi Grimberg <sagi@xxxxxxxxxxx>, Bjorn Helgaas <bhelgaas@xxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxxxxxx>, Max Gurtovoy <maxg@xxxxxxxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, "Benjamin Herrenschmidt" <benh@xxxxxxxxxxxxxxxxxxx>
In-reply-to: <20180510145946.GB3652@redhat.com>
References: <d70cf286-f7b7-99a5-1042-022506298fed@deltatee.com> <20180508205005.GC15608@redhat.com> <7FFB9603-DF9F-4441-82E9-46037CB6C0DE@raithlin.com> <a1a36f88-fbfb-b5ee-6dcb-5c5bb96132dd@amd.com> <1775CC56-4651-422F-953A-18E024D3717C@raithlin.com> <20180509160722.GB4140@redhat.com> <366A8132-B88A-40F7-BDE3-DA542E45FC0C@raithlin.com> <20180509174952.GC4140@redhat.com> <405531AE-8315-4A4F-9B0C-8DBE49BFCAB4@raithlin.com> <73b6a454-bf84-1640-0b5e-137d03c0ad8c@amd.com> <20180510145946.GB3652@redhat.com>
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Hi Jerome

>    Hopes this helps understanding the big picture. I over simplify thing and
>    devils is in the details.
    
This was a great primer thanks for putting it together. An LWN.net article perhaps ;-)??

Stephen
    

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References:
- Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches
  - From: Logan Gunthorpe
- Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches
  - From: Jerome Glisse
- Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches
  - From: Stephen Bates
- Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches
  - From: Christian König
- Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches
  - From: Stephen Bates
- Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches
  - From: Jerome Glisse
- Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches
  - From: Stephen Bates
- Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches
  - From: Jerome Glisse
- Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches
  - From: Stephen Bates
- Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches
  - From: Christian König
- Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches
  - From: Jerome Glisse

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