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From: Jakub Kicinski <kuba@kernel.org>
To: Jacob Keller <jacob.e.keller@intel.com>
Cc: David Miller <davem@davemloft.net>,
	netdev <netdev@vger.kernel.org>,
	Michal Kubiak <michal.kubiak@intel.com>,
	Wojciech Drewek <wojciech.drewek@intel.com>,
	George Kuruvinakunnel <george.kuruvinakunnel@intel.com>,
	Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Subject: Re: [PATCH net 4/8] i40e: Fix XDP program unloading while removing the driver
Date: Wed, 29 May 2024 18:54:28 -0700	[thread overview]
Message-ID: <20240529185428.2fd13cd7@kernel.org> (raw)
In-Reply-To: <20240528-net-2024-05-28-intel-net-fixes-v1-4-dc8593d2bbc6@intel.com>

On Tue, 28 May 2024 15:06:07 -0700 Jacob Keller wrote:
> +	/* Called from netdev unregister context. Unload the XDP program. */
> +	if (vsi->netdev->reg_state == NETREG_UNREGISTERING) {
> +		xdp_features_clear_redirect_target(vsi->netdev);
> +		old_prog = xchg(&vsi->xdp_prog, NULL);
> +		if (old_prog)
> +			bpf_prog_put(old_prog);
> +
> +		return 0;
> +	}

This is not great. The netdevice is closed at this stage, why is the xdp
setup try to do work if the device is closed even when not
unregistering?

  reply	other threads:[~2024-05-30  1:54 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-28 22:06 [PATCH net 0/8] Intel Wired LAN Driver Updates 2024-05-28 (e1000e, i40e, ice) Jacob Keller
2024-05-28 22:06 ` [PATCH net 1/8] e1000e: move force SMBUS near the end of enable_ulp function Jacob Keller
2024-05-28 22:06 ` [PATCH net 2/8] i40e: factoring out i40e_suspend/i40e_resume Jacob Keller
2024-05-28 22:06 ` [PATCH net 3/8] i40e: Fully suspend and resume IO operations in EEH case Jacob Keller
2024-05-28 22:06 ` [PATCH net 4/8] i40e: Fix XDP program unloading while removing the driver Jacob Keller
2024-05-30  1:54   ` Jakub Kicinski [this message]
2024-05-30 16:38     ` Jacob Keller
2024-06-05 15:00       ` Michal Kubiak
2024-06-05 19:29         ` Jakub Kicinski
2024-06-06 10:02           ` Michal Kubiak
2024-06-06 13:43             ` Jakub Kicinski
2024-06-11 18:52               ` Michal Kubiak
2024-05-28 22:06 ` [PATCH net 5/8] ice: fix 200G PHY types to link speed mapping Jacob Keller
2024-05-28 22:06 ` [PATCH net 6/8] ice: implement AQ download pkg retry Jacob Keller
2024-05-30  1:51   ` Jakub Kicinski
2024-05-30 16:50     ` Jacob Keller
2024-05-31  8:25       ` Wojciech Drewek
2024-05-28 22:06 ` [PATCH net 7/8] ice: fix reads from NVM Shadow RAM on E830 and E825-C devices Jacob Keller
2024-05-28 22:06 ` [PATCH net 8/8] ice: check for unregistering correct number of devlink params Jacob Keller
2024-05-30  2:00 ` [PATCH net 0/8] Intel Wired LAN Driver Updates 2024-05-28 (e1000e, i40e, ice) patchwork-bot+netdevbpf
2024-05-30 16:45   ` Jacob Keller
2024-05-30 16:58     ` Jakub Kicinski
2024-05-30 17:04       ` Jacob Keller

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