netdev - Re: [PATCH] xen-netback: Check for hotplug-status existence before watching

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Message-ID: <ed4057aa-d69e-e803-752b-c007ab4e707d@fensystems.co.uk>
Date:   Mon, 17 May 2021 22:51:38 +0100
From:   Michael Brown <mbrown@...systems.co.uk>
To:     Marek Marczykowski-Górecki 
        <marmarek@...isiblethingslab.com>,
        "Durrant, Paul" <pdurrant@...zon.co.uk>
Cc:     "paul@....org" <paul@....org>,
        "xen-devel@...ts.xenproject.org" <xen-devel@...ts.xenproject.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "wei.liu@...nel.org" <wei.liu@...nel.org>,
        Ian Jackson <iwj@...project.org>, Wei Liu <wl@....org>,
        Anthony PERARD <anthony.perard@...rix.com>
Subject: Re: [PATCH] xen-netback: Check for hotplug-status existence before
 watching

On 17/05/2021 22:43, Marek Marczykowski-Górecki wrote:
> In any case, the issue is not calling the hotplug script, responsible
> for configuring newly created vif interface. Not kernel waiting for it.
> So, I think both commits should still be reverted.

Did you also test the ability for a domU to have the netfront driver 
reloaded?  (That should be roughly equivalent to my original test 
scenario comprising the iPXE netfront driver used to boot a kernel that 
then loads the Linux netfront driver.)

Michael