Re: [PATCH rdma-rc] IB/mlx5: Fix scatter to CQE in DCT QP creation

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On Wed, Apr 10, 2019 at 10:59:45AM +0300, Leon Romanovsky wrote:
> From: Guy Levi <guyle@xxxxxxxxxxxx>
> 
> The scatter to CQE over DCT QP actually has never been enabled since the
> driver refers to device QP context layout instead of device DCT context
> layout when it is configure the scatter to CQE relevant bits. It causes
> a memory corruption.
> Additionally, A new capability is exposed to user-space which lets it
> to ensure that it will not enable the feature without this fix.

I'm not sure what this is trying to say, it needs to be reworded to be
a -rc patch..

Is it that mixing scatter to cqe and DCT causes memory corruption in
the kernel?

Jason




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