linux-kernel - Re: [PATCH rdma-next 2/2] RDMA/mana_ib: Implement get_dma

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]

Message-ID: <20240417145106.GV223006@ziepe.ca>
Date: Wed, 17 Apr 2024 11:51:06 -0300
From: Jason Gunthorpe <jgg@...pe.ca>
To: Konstantin Taranov <kotaranov@...ux.microsoft.com>
Cc: kotaranov@...rosoft.com, sharmaajay@...rosoft.com, longli@...rosoft.com,
	leon@...nel.org, linux-rdma@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH rdma-next 2/2] RDMA/mana_ib: Implement get_dma_mr

On Wed, Apr 17, 2024 at 07:20:59AM -0700, Konstantin Taranov wrote:
> From: Konstantin Taranov <kotaranov@...rosoft.com>
> 
> Implement allocation of DMA-mapped memory regions.
> 
> Signed-off-by: Konstantin Taranov <kotaranov@...rosoft.com>
> ---
>  drivers/infiniband/hw/mana/device.c |  1 +
>  drivers/infiniband/hw/mana/mr.c     | 36 +++++++++++++++++++++++++++++
>  include/net/mana/gdma.h             |  5 ++++
>  3 files changed, 42 insertions(+)

What is the point of doing this without supporting enough verbs to
allow a kernel ULP?

Jason