netdev - Re: [net-next 1/2] xen-netback: add module parameter to disable ctrl-ring

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Message-ID: <bb75476f-881a-bb6b-e368-0bf7044cd57e@xen.org>
Date:   Fri, 12 Mar 2021 07:32:38 +0000
From:   Paul Durrant <xadimgnik@...il.com>
To:     ChiaHao Hsu <andyhsu@...zon.com>, netdev@...r.kernel.org
Cc:     wei.liu@...nel.org, davem@...emloft.net, kuba@...nel.org,
        xen-devel@...ts.xenproject.org
Subject: Re: [net-next 1/2] xen-netback: add module parameter to disable
 ctrl-ring

On 11/03/2021 22:59, ChiaHao Hsu wrote:
> In order to support live migration of guests between kernels
> that do and do not support 'feature-ctrl-ring', we add a
> module parameter that allows the feature to be disabled
> at run time, instead of using hardcode value.
> The default value is enable.
> 
> Signed-off-by: ChiaHao Hsu <andyhsu@...zon.com>

Reviewed-by: Paul Durrant <paul@....org>