From: Jakub Kicinski <kuba@kernel.org>
To: Simon Horman <horms@kernel.org>
Cc: netdev@vger.kernel.org, hawk@kernel.org,
ilias.apalodimas@linaro.org, aleksander.lobakin@intel.com,
linyunsheng@huawei.com, almasrymina@google.com
Subject: Re: [RFC net-next 05/13] net: page_pool: record pools per netdev
Date: Thu, 17 Aug 2023 09:22:29 -0700 [thread overview]
Message-ID: <20230817092229.4cea4e2a@kernel.org> (raw)
In-Reply-To: <ZN3LkR+b9Onpy1XH@vergenet.net>
On Thu, 17 Aug 2023 09:26:09 +0200 Simon Horman wrote:
> I'm not sure if it is possible, but if the hlist loop above iterates zero
> times then last will be uninitialised here.
>
> Flagged by Smatch.
Hm, the caller checks if the list is empty but there may be a race
condition since we don't hold the lock, yet. Thanks for flagging!
next prev parent reply other threads:[~2023-08-17 16:22 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-16 23:42 [RFC net-next 00/13] net: page_pool: add netlink-based introspection Jakub Kicinski
2023-08-16 23:42 ` [RFC net-next 01/13] net: page_pool: split the page_pool_params into fast and slow Jakub Kicinski
2023-08-17 9:31 ` Jesper Dangaard Brouer
2023-08-17 9:35 ` Ilias Apalodimas
2023-08-17 21:28 ` Mina Almasry
2023-08-16 23:42 ` [RFC net-next 02/13] net: page_pool: avoid touching slow on the fastpath Jakub Kicinski
2023-08-17 9:32 ` Jesper Dangaard Brouer
2023-08-17 9:38 ` Ilias Apalodimas
2023-08-17 21:31 ` Mina Almasry
2023-08-16 23:42 ` [RFC net-next 03/13] net: page_pool: factor out uninit Jakub Kicinski
2023-08-17 7:40 ` Ilias Apalodimas
2023-08-17 16:25 ` Jakub Kicinski
2023-08-17 16:53 ` Ilias Apalodimas
2023-08-16 23:42 ` [RFC net-next 04/13] net: page_pool: id the page pools Jakub Kicinski
2023-08-17 21:56 ` Mina Almasry
2023-08-18 0:08 ` Jakub Kicinski
2023-08-16 23:42 ` [RFC net-next 05/13] net: page_pool: record pools per netdev Jakub Kicinski
2023-08-17 7:26 ` Simon Horman
2023-08-17 16:22 ` Jakub Kicinski [this message]
2023-08-16 23:42 ` [RFC net-next 06/13] net: page_pool: stash the NAPI ID for easier access Jakub Kicinski
2023-08-16 23:42 ` [RFC net-next 07/13] eth: link netdev to pp Jakub Kicinski
2023-08-16 23:42 ` [RFC net-next 08/13] net: page_pool: add nlspec for basic access to page pools Jakub Kicinski
2023-08-16 23:42 ` [RFC net-next 09/13] net: page_pool: implement GET in the netlink API Jakub Kicinski
2023-08-16 23:42 ` [RFC net-next 10/13] net: page_pool: add netlink notifications for state changes Jakub Kicinski
2023-08-16 23:43 ` [RFC net-next 11/13] net: page_pool: report when page pool was destroyed Jakub Kicinski
2023-08-16 23:43 ` [RFC net-next 12/13] net: page_pool: expose page pool stats via netlink Jakub Kicinski
2023-08-16 23:43 ` [RFC net-next 13/13] tools: netdev: regen after page pool changes Jakub Kicinski
2023-08-17 21:21 ` [RFC net-next 00/13] net: page_pool: add netlink-based introspection Mina Almasry
2023-08-18 0:13 ` Jakub Kicinski
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