linux-kernel - Re: [PATCH 0/3] RDMA/hns: Bug fixes in hns RoCE driver

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Date:   Mon, 27 Nov 2017 11:36:37 -0700
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     "Wei Hu (Xavier)" <xavier.huwei@...wei.com>
Cc:     dledford@...hat.com, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org, xavier.huwei@....com,
        xavier_huwei@....com, linuxarm@...wei.com
Subject: Re: [PATCH 0/3] RDMA/hns: Bug fixes in hns RoCE driver

On Mon, Nov 27, 2017 at 10:41:21AM +0800, Wei Hu (Xavier) wrote:
> This patch-set introduces three patches to fix about the memory
> related issues.

If these patches are for-rc can you revise the commit message to more
clearly explain what the bug is, and supply Fixes lines?

Otherwise these will go to 4.16

It looks like the first one is for-rc material as it looks like DMA
will fail sometimes if the smmu is enabled?

The other two are less clear to me - is this just fixing the code to
conform to the DMA API, or is there an actual real user-impacting bug here?

Thanks
Jason