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Date:   Tue, 29 Sep 2020 12:20:46 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Leon Romanovsky <leon@kernel.org>
Cc:     Doug Ledford <dledford@redhat.com>,
        Jason Gunthorpe <jgg@nvidia.com>, Jens Axboe <axboe@kernel.dk>,
        Keith Busch <kbusch@kernel.org>,
        Leon Romanovsky <leonro@nvidia.com>,
        Christoph Hellwig <hch@lst.de>, linux-block@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org,
        linux-rdma@vger.kernel.org, Sagi Grimberg <sagi@grimberg.me>
Subject: Re: [PATCH blk-next 1/2] blk-mq-rdma: Delete not-used multi-queue
 RDMA map queue code
Message-ID: <20200929102046.GA14445@lst.de>
References: <20200929091358.421086-1-leon@kernel.org> <20200929091358.421086-2-leon@kernel.org>
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On Tue, Sep 29, 2020 at 12:13:57PM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@nvidia.com>
> 
> The RDMA vector affinity code is not backed up by any driver and always
> returns NULL to every ib_get_vector_affinity() call.
> 
> This means that blk_mq_rdma_map_queues() always takes fallback path.
> 
> Fixes: 9afc97c29b03 ("mlx5: remove support for ib_get_vector_affinity")
> Signed-off-by: Leon Romanovsky <leonro@nvidia.com>

So you guys totally broken the nvme queue assignment without even
telling anyone?  Great job!