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Date: Sun, 8 Oct 2023 15:48:24 +0200
From: Simon Horman <>
To: Sebastian Andrzej Siewior <>
Cc: Jakub Kicinski <>,,, "David S. Miller" <>,
	Björn Töpel <>,
	Alexei Starovoitov <>,
	Andrii Nakryiko <>,
	Daniel Borkmann <>,
	Eric Dumazet <>, Hao Luo <>,
	Jesper Dangaard Brouer <>,
	Jiri Olsa <>,
	John Fastabend <>,
	Jonathan Lemon <>,
	KP Singh <>,
	Maciej Fijalkowski <>,
	Magnus Karlsson <>,
	Martin KaFai Lau <>,
	Paolo Abeni <>, Song Liu <>,
	Stanislav Fomichev <>,
	Thomas Gleixner <>,
	Yonghong Song <>
Subject: Re: [PATCH bpf-next v2] net: Add a warning if NAPI cb missed

On Fri, Oct 06, 2023 at 05:49:33PM +0200, Sebastian Andrzej Siewior wrote:
> A few drivers were missing a xdp_do_flush() invocation after
> 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
> creats a warning if one of the functions had a non-empty list.

nit: creates

> Hide everything behind CONFIG_DEBUG_NET.
> Suggested-by: Jesper Dangaard Brouer <>
> Signed-off-by: Sebastian Andrzej Siewior <>


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