From: Jakub Kicinski <kuba@kernel.org>
To: Tony Nguyen <anthony.l.nguyen@intel.com>
Cc: davem@davemloft.net, pabeni@redhat.com, edumazet@google.com,
netdev@vger.kernel.org, Kamil Maziarz <kamil.maziarz@intel.com>,
maciej.fijalkowski@intel.com, magnus.karlsson@intel.com,
ast@kernel.org, daniel@iogearbox.net, hawk@kernel.org,
john.fastabend@gmail.com, bpf@vger.kernel.org,
Chandan Kumar Rout <chandanx.rout@intel.com>
Subject: Re: [PATCH net] ice: don't stop netdev tx queues when setting up XSK socket
Date: Tue, 3 Oct 2023 15:49:20 -0700 [thread overview]
Message-ID: <20231003154920.6ae3801f@kernel.org> (raw)
In-Reply-To: <20230925171957.3448944-1-anthony.l.nguyen@intel.com>
On Mon, 25 Sep 2023 10:19:57 -0700 Tony Nguyen wrote:
> Avoid stopping netdev tx queues during XSK setup by removing
> netif_tx_stop_queue() and netif_tx_start_queue().
> These changes prevent unnecessary stopping and starting of netdev
> transmit queues during the setup of XDP socket. Without this change,
> after stopping the XDP traffic flow tracker and then stopping
> the XDP prog - NETDEV WATCHDOG transmit queue timed out appears.
I think we need more info about what happens here.
Maybe ice_qp_ena() fails before it gets to the start?
If we don't understand what happens, exactly, we may be papering
over other bugs.
--
pw-bot: cr
next prev parent reply other threads:[~2023-10-03 22:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-25 17:19 [PATCH net] ice: don't stop netdev tx queues when setting up XSK socket Tony Nguyen
2023-09-25 22:58 ` Jacob Keller
2023-10-03 22:49 ` Jakub Kicinski [this message]
2023-10-04 13:26 ` Maciej Fijalkowski
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