linux-kernel - Re: [PATCH vhost next 09/10] vdpa/mlx5: Add shared memory registration code

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Date:   Thu, 16 Jul 2020 11:28:40 +0300
From:   Eli Cohen <eli@...lanox.com>
To:     Jason Wang <jasowang@...hat.com>
Cc:     mst@...hat.com, virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, shahafs@...lanox.com,
        saeedm@...lanox.com, Parav Pandit <parav@...lanox.com>
Subject: Re: [PATCH vhost next 09/10] vdpa/mlx5: Add shared memory
 registration code

On Thu, Jul 16, 2020 at 04:13:21PM +0800, Jason Wang wrote:
> 
> On 2020/7/16 下午3:23, Eli Cohen wrote:
> >Add code to support registering guest's memory region for the device.
> 
> 
> It would be better to use "userspace" memory here since vhost-vDPA
> could be used by e.g dpdk application on the host in the future.
> 

How about replaciing "guest's memory" with "address space". It is more
general and aligns with the with the fact that virio driver can run in
the guest's kernel.