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From: Jakub Kicinski <kuba@kernel.org>
To: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com,
	pabeni@redhat.com, horms@kernel.org, andrew@lunn.ch,
	Willem de Bruijn <willemb@google.com>,
	Tony Nguyen <anthony.l.nguyen@intel.com>,
	Przemek Kitszel <przemyslaw.kitszel@intel.com>,
	Joshua A Hay <joshua.a.hay@intel.com>
Subject: Re: [PATCH net-next v5 3/6] idpf: support pacing offload
Date: Tue, 11 Aug 2026 08:20:28 -0700	[thread overview]
Message-ID: <20260811082028.6223543a@kernel.org> (raw)
In-Reply-To: <willemdebruijn.kernel.2f01b2b7b1be5@gmail.com>

On Mon, 10 Aug 2026 21:38:07 -0400 Willem de Bruijn wrote:
> > > +	if (!horizon)
> > > +		return;
> > > +
> > > +	/* Skip if netpoll: not needed and not safe to call ktime helpers */
> > > +	if (netpoll_tx_running(skb->dev))  
> > 
> > Is this due to Gemini's complaint? netpoll sending packets with
> > timestamp in the future seems unreasonable to me, no?  
> 
> It is. Makes sense to ignore EDT request when running in netpoll right.
> Do you mean that we should not even check for that in the hot path?

No strong preference but I wouldn't check. netpoll is for emergency
data, and bypasses qdiscs, it can't possibly be paced..

  reply	other threads:[~2026-08-11 15:20 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-08 15:51 [PATCH net-next v5 0/6] hardware pacing offload Willem de Bruijn
2026-08-08 15:51 ` [PATCH net-next v5 1/6] net: rtnetlink: add pacing_offload_horizon attribute to net_device Willem de Bruijn
2026-08-08 15:51 ` [PATCH net-next v5 2/6] net_sched: sch_fq: clear past skb->tstamp if offloading pacing Willem de Bruijn
2026-08-08 15:51 ` [PATCH net-next v5 3/6] idpf: support pacing offload Willem de Bruijn
2026-08-11  1:12   ` Jakub Kicinski
2026-08-11  1:38     ` Willem de Bruijn
2026-08-11 15:20       ` Jakub Kicinski [this message]
2026-08-08 15:51 ` [PATCH net-next v5 4/6] selftests: drv-net: refactor so_txtime errqueue handling Willem de Bruijn
2026-08-08 15:51 ` [PATCH net-next v5 5/6] selftests: drv-net: in so_txtime tell apart sw from hw pacing Willem de Bruijn
2026-08-08 15:51 ` [PATCH net-next v5 6/6] selftests: drv-net: extend so_txtime with hw offload Willem de Bruijn
2026-08-10 14:34 ` [PATCH net-next v5 0/6] hardware pacing offload Willem de Bruijn

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