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

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On Thu, Oct 28, 2021 at 12:56:46AM -0700, Christoph Hellwig wrote:
> On Thu, Oct 28, 2021 at 08:55:22AM +0300, Leon Romanovsky wrote:
> > From: Aharon Landau <aharonl@xxxxxxxxxx>
> > 
> > The vendors set the IOVA of newly created MRs in rereg_user_mr, so don't
> > overwrite it. That ensures that this field is set only if IB_MR_REREG_TRANS
> > flag is provided.
> 
> How is a "vendor" involved with this?  This should all be upstream code.

"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



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