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SubjectRE: [PATCH 3/3] hv_netvsc: Process NETDEV_GOING_DOWN on VF hot remove
Date


> -----Original Message-----
> From: Long Li <longli@linuxonhyperv.com>
> Sent: Tuesday, January 5, 2021 8:16 PM
> To: KY Srinivasan <kys@microsoft.com>; Haiyang Zhang
> <haiyangz@microsoft.com>; Stephen Hemminger
> <sthemmin@microsoft.com>; Wei Liu <wei.liu@kernel.org>; David S. Miller
> <davem@davemloft.net>; Jakub Kicinski <kuba@kernel.org>; linux-
> hyperv@vger.kernel.org; netdev@vger.kernel.org; linux-
> kernel@vger.kernel.org
> Cc: Long Li <longli@microsoft.com>
> Subject: [PATCH 3/3] hv_netvsc: Process NETDEV_GOING_DOWN on VF hot
> remove
>
> From: Long Li <longli@microsoft.com>
>
> On VF hot remove, NETDEV_GOING_DOWN is sent to notify the VF is about
> to go down. At this time, the VF is still sending/receiving traffic and we
> request the VSP to switch datapath.
>
> On completion, the datapath is switched to synthetic and we can proceed
> with VF hot remove.
>
> Signed-off-by: Long Li <longli@microsoft.com>

Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>

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