RE: [PATCH bpf-next -v4] net: Add a warning if NAPI cb missed xdp_do_flush().

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Sebastian Andrzej Siewior wrote:
> A few drivers were missing a xdp_do_flush() invocation after
> XDP_REDIRECT.
> 
> Add three helper functions each for one of the per-CPU lists. Return
> true if the per-CPU list is non-empty and flush the list.
> Add xdp_do_check_flushed() which invokes each helper functions and
> creates a warning if one of the functions had a non-empty list.
> Hide everything behind CONFIG_DEBUG_NET.
> 
> Suggested-by: Jesper Dangaard Brouer <hawk@xxxxxxxxxx>
> Reviewed-by: Toke Høiland-Jørgensen <toke@xxxxxxxxxx>
> Acked-by: Jakub Kicinski <kuba@xxxxxxxxxx>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
> ---

LGTM.

Acked-by: John Fastabend <john.fastabend@xxxxxxxxx>




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