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From: Logan Gunthorpe <logang@deltatee.com>
To: Jens Axboe <axboe@kernel.dk>,
	linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-nvme@lists.infradead.org, linux-rdma@vger.kernel.org,
	linux-nvdimm@lists.01.org, linux-block@vger.kernel.org
Cc: "Christian König" <christian.koenig@amd.com>,
	"Benjamin Herrenschmidt" <benh@kernel.crashing.org>,
	"Alex Williamson" <alex.williamson@redhat.com>,
	"Jérôme Glisse" <jglisse@redhat.com>,
	"Jason Gunthorpe" <jgg@mellanox.com>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Max Gurtovoy" <maxg@mellanox.com>,
	"Christoph Hellwig" <hch@lst.de>
Subject: Re: [PATCH v6 07/13] block: Add PCI P2P flag for request queue and check support for requests
Date: Thu, 13 Sep 2018 10:14:02 -0600	[thread overview]
Message-ID: <5998a8c3-697e-82ac-91d4-a648455a21e9@deltatee.com> (raw)
In-Reply-To: <0118d3d8-a2f5-047f-6627-04ac3d0371ad@kernel.dk>



On 12/09/18 06:28 PM, Jens Axboe wrote:
> On 9/12/18 6:11 PM, Logan Gunthorpe wrote:
>> QUEUE_FLAG_PCI_P2P is introduced meaning a driver's request queue
>> supports targeting P2P memory.
>>
>> When a request is submitted we check if PCI P2PDMA memory is assigned
>> to the first page in the bio. If it is, we ensure the queue it's
>> submitted to supports it, and enforce REQ_NOMERGE.
> 
> This changelog is no longer accurate.


Oops, I'll fix this for v7.

Thanks,

Logan
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  reply	other threads:[~2018-09-13 16:14 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-13  0:11 [PATCH v6 00/13] Copy Offload in NVMe Fabrics with P2P PCI Memory Logan Gunthorpe
2018-09-13  0:11 ` [PATCH v6 01/13] PCI/P2PDMA: Support peer-to-peer memory Logan Gunthorpe
2018-09-20 22:38   ` Bjorn Helgaas
2018-09-20 22:47     ` Logan Gunthorpe
2018-09-21 13:00       ` Bjorn Helgaas
2018-09-21 15:37         ` Logan Gunthorpe
2018-09-21 16:05           ` Christoph Hellwig
2018-09-13  0:11 ` [PATCH v6 02/13] PCI/P2PDMA: Add sysfs group to display p2pmem stats Logan Gunthorpe
2018-09-21 13:07   ` Bjorn Helgaas
2018-09-13  0:11 ` [PATCH v6 03/13] PCI/P2PDMA: Add PCI p2pmem DMA mappings to adjust the bus offset Logan Gunthorpe
2018-09-21 13:15   ` Bjorn Helgaas
2018-09-21 16:48     ` Bjorn Helgaas
2018-09-21 18:13       ` Logan Gunthorpe
2018-09-21 20:00         ` Bjorn Helgaas
2018-09-21 20:01           ` Logan Gunthorpe
2018-09-13  0:11 ` [PATCH v6 04/13] PCI/P2PDMA: Introduce configfs/sysfs enable attribute helpers Logan Gunthorpe
2018-09-21 16:18   ` Bjorn Helgaas
2018-09-21 19:44     ` Logan Gunthorpe
2018-09-21 21:12     ` Logan Gunthorpe
2018-09-24 22:39   ` Bjorn Helgaas
2018-09-13  0:11 ` [PATCH v6 05/13] docs-rst: Add a new directory for PCI documentation Logan Gunthorpe
2018-09-13  0:11 ` [PATCH v6 06/13] PCI/P2PDMA: Add P2P DMA driver writer's documentation Logan Gunthorpe
2018-09-21 16:41   ` Bjorn Helgaas
2018-09-21 18:03     ` Logan Gunthorpe
2018-09-21 19:47       ` Bjorn Helgaas
2018-09-13  0:11 ` [PATCH v6 07/13] block: Add PCI P2P flag for request queue and check support for requests Logan Gunthorpe
2018-09-13  0:28   ` Jens Axboe
2018-09-13 16:14     ` Logan Gunthorpe [this message]
2018-09-13  0:11 ` [PATCH v6 08/13] IB/core: Ensure we map P2P memory correctly in rdma_rw_ctx_[init|destroy]() Logan Gunthorpe
2018-09-13  0:11 ` [PATCH v6 09/13] nvme-pci: Use PCI p2pmem subsystem to manage the CMB Logan Gunthorpe
2018-09-13  0:11 ` [PATCH v6 10/13] nvme-pci: Add support for P2P memory in requests Logan Gunthorpe
2018-09-13  0:11 ` [PATCH v6 11/13] nvme-pci: Add a quirk for a pseudo CMB Logan Gunthorpe
2018-09-13  0:11 ` [PATCH v6 12/13] nvmet: Introduce helper functions to allocate and free request SGLs Logan Gunthorpe
2018-09-13  0:11 ` [PATCH v6 13/13] nvmet: Optionally use PCI P2P memory Logan Gunthorpe

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