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Date: Mon, 10 Jun 2024 09:11:54 -0300
From: Jason Gunthorpe <jgg@ziepe.ca>
To: Martin Oliveira <martin.oliveira@eideticom.com>
Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-pci@vger.kernel.org, linux-mm@kvack.org,
	Leon Romanovsky <leon@kernel.org>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Logan Gunthorpe <logang@deltatee.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Tejun Heo <tj@kernel.org>, "Rafael J. Wysocki" <rafael@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Mike Marciniszyn <mike.marciniszyn@intel.com>,
	Michael Guralnik <michaelgur@nvidia.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Ard Biesheuvel <ardb@kernel.org>,
	Valentine Sinitsyn <valesini@yandex-team.ru>,
	Lukas Wunner <lukas@wunner.de>
Subject: Re: [PATCH 6/6] RDMA/umem: add support for P2P RDMA
Message-ID: <20240610121154.GH791043@ziepe.ca>
References: <20240605192934.742369-1-martin.oliveira@eideticom.com>
 <20240605192934.742369-7-martin.oliveira@eideticom.com>
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In-Reply-To: <20240605192934.742369-7-martin.oliveira@eideticom.com>

On Wed, Jun 05, 2024 at 01:29:34PM -0600, Martin Oliveira wrote:
> If the device supports P2PDMA, add the FOLL_PCI_P2PDMA flag
> 
> This allows ibv_reg_mr() and friends to use P2PDMA memory that has been
> mmaped into userspace for MRs in IB and RDMA transactions.
> 
> Co-developed-by: Logan Gunthorpe <logang@deltatee.com>
> Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
> Signed-off-by: Martin Oliveira <martin.oliveira@eideticom.com>
> ---
>  drivers/infiniband/core/umem.c | 3 +++
>  1 file changed, 3 insertions(+)

Acked-by: Jason Gunthorpe <jgg@nvidia.com>

Jason