linux-kernel - Re: [PATCH rdma-next] RDMA/core: Rely on vendors to set right IOVA

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Date:   Thu, 28 Oct 2021 07:02:26 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Leon Romanovsky <leon@...nel.org>
Cc:     Christoph Hellwig <hch@...radead.org>,
        Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Aharon Landau <aharonl@...dia.com>,
        linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org
Subject: Re: [PATCH rdma-next] RDMA/core: Rely on vendors to set right IOVA

On Thu, Oct 28, 2021 at 12:58:53PM +0300, Leon Romanovsky wrote:
> "vendor" is wrong word here.
> 
> I wanted to say that all drivers which support ".rereg_user_mr()"
> callback and return new_mr should set everything. In case of IB_MR_REREG_TRANS
> flow, it is IOVA which is not cmd.hca_va, but mr->iova.

Thanks, that makes a lot more sense.