Re: [PATCH] hv_netvsc:Register VF in netvsc_probe if NET_DEVICE_REGISTER missed

From: Jakub Kicinski
Date: Tue Jan 30 2024 - 21:29:29 EST


On Mon, 29 Jan 2024 23:18:55 -0800 Shradha Gupta wrote:
> If hv_netvsc driver is removed and reloaded, the NET_DEVICE_REGISTER
> handler cannot perform VF register successfully as the register call
> is received before netvsc_probe is finished. This is because we
> register register_netdevice_notifier() very early(even before
> vmbus_driver_register()).
> To fix this, we try to register each such matching VF( if it is visible
> as a netdevice) at the end of netvsc_probe.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 85520856466e ("hv_netvsc: Fix race of register_netdevice_notifier and VF register")
> Suggested-by: Dexuan Cui <decui@xxxxxxxxxxxxx>
> Signed-off-by: Shradha Gupta <shradhagupta@xxxxxxxxxxxxxxxxxxx>

Does not seem to apply to net/main, please respin