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

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Date:   Mon, 17 May 2021 23:58:25 +0200
From:   Marek Marczykowski-Górecki 
        <marmarek@...isiblethingslab.com>
To:     Michael Brown <mbrown@...systems.co.uk>
Cc:     "Durrant, Paul" <pdurrant@...zon.co.uk>,
        "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 Mon, May 17, 2021 at 10:51:38PM +0100, Michael Brown wrote:
> 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.)

Yes, with both commits reverted, it just works. Without the need to do
anything at the backend side.

-- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab

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