netdev - Re: [PATCH net 2/2] eth: ixgbe: fix the wake condition

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Date: Wed, 7 Jun 2023 09:33:14 -0700
From: Tony Nguyen <anthony.l.nguyen@...el.com>
To: Jakub Kicinski <kuba@...nel.org>, <davem@...emloft.net>
CC: <netdev@...r.kernel.org>, <edumazet@...gle.com>, <pabeni@...hat.com>,
	<jesse.brandeburg@...el.com>
Subject: Re: [PATCH net 2/2] eth: ixgbe: fix the wake condition



On 6/6/2023 6:08 PM, Jakub Kicinski wrote:
> Flip the netif_carrier_ok() condition in queue wake logic.
> When I moved it to inside __netif_txq_completed_wake()
> I missed negating it.
> 
> This made the condition ineffective and could probably
> lead to crashes.
> 
> Fixes: 301f227fc860 ("net: piggy back on the memory barrier in bql when waking queues")
> Signed-off-by: Jakub Kicinski <kuba@...nel.org>

LGTM

Reviewed-by: Tony Nguyen <anthony.l.nguyen@...el.com>