linux-kernel - Re: [PATCH v2 17/17] vdpa: split vdpasim to core and net modules

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Message-ID: <ce5f1f8b-a0e2-5c3f-2e49-48e0379d1bba@redhat.com>
Date:   Mon, 30 Nov 2020 11:31:43 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Stefano Garzarella <sgarzare@...hat.com>,
        virtualization@...ts.linux-foundation.org
Cc:     Stefan Hajnoczi <stefanha@...hat.com>,
        linux-kernel@...r.kernel.org, Laurent Vivier <lvivier@...hat.com>,
        Max Gurtovoy <mgurtovoy@...dia.com>,
        "Michael S. Tsirkin" <mst@...hat.com>, Eli Cohen <elic@...dia.com>
Subject: Re: [PATCH v2 17/17] vdpa: split vdpasim to core and net modules


On 2020/11/26 下午10:49, Stefano Garzarella wrote:
> From: Max Gurtovoy<mgurtovoy@...dia.com>
>
> Introduce new vdpa_sim_net and vdpa_sim (core) drivers. This is a
> preparation for adding a vdpa simulator module for block devices.
>
> Signed-off-by: Max Gurtovoy<mgurtovoy@...dia.com>
> [sgarzare: various cleanups/fixes]
> Signed-off-by: Stefano Garzarella<sgarzare@...hat.com>
> ---
> v2:
> - Fixed "warning: variable 'dev' is used uninitialized" reported by
>    'kernel test robot' and Dan Carpenter
> - rebased on top of other changes (dev_attr, get_config(), notify(), etc.)
> - left batch_mapping module parameter in the core [Jason]
>
> v1:
> - Removed unused headers
> - Removed empty module_init() module_exit()
> - Moved vdpasim_is_little_endian() in vdpa_sim.h
> - Moved vdpasim16_to_cpu/cpu_to_vdpasim16() in vdpa_sim.h
> - Added vdpasim*_to_cpu/cpu_to_vdpasim*() also for 32 and 64
> - Replaced 'select VDPA_SIM' with 'depends on VDPA_SIM' since selected
>    option can not depend on other [Jason]
> ---
>   drivers/vdpa/vdpa_sim/vdpa_sim.h     | 103 +++++++++++++
>   drivers/vdpa/vdpa_sim/vdpa_sim.c     | 222 +--------------------------
>   drivers/vdpa/vdpa_sim/vdpa_sim_net.c | 171 +++++++++++++++++++++
>   drivers/vdpa/Kconfig                 |  13 +-
>   drivers/vdpa/vdpa_sim/Makefile       |   1 +
>   5 files changed, 290 insertions(+), 220 deletions(-)
>   create mode 100644 drivers/vdpa/vdpa_sim/vdpa_sim.h
>   create mode 100644 drivers/vdpa/vdpa_sim/vdpa_sim_net.c


Looks good, consider there are some still some questions left. I will 
probably ack for the next version.

Thanks