Re: [PATCH net-next v3 5/6] page_pool: add a lockdep check for recycling in hardirq

[Jesper Dangaard Brouer]

On 03/08/2023 20.20, Alexander Lobakin wrote:
> From: Jakub Kicinski<kuba@xxxxxxxxxx>
>
> Page pool use in hardirq is prohibited, add debug checks
> to catch misuses. IIRC we previously discussed using
> DEBUG_NET_WARN_ON_ONCE() for this, but there were concerns
> that people will have DEBUG_NET enabled in perf testing.
> I don't think anyone enables lockdep in perf testing,
> so use lockdep to avoid pushback and arguing :)
>
> Signed-off-by: Jakub Kicinski<kuba@xxxxxxxxxx>
> Signed-off-by: Alexander Lobakin<aleksander.lobakin@xxxxxxxxx>

I like this.

Acked-by: Jesper Dangaard Brouer <hawk@xxxxxxxxxx>