From: Jakub Kicinski <kuba@kernel.org>
To: Allen <allen.lkml@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
jes@trained-monkey.org, kda@linux-powerpc.org,
cai.huoqing@linux.dev, dougmill@linux.ibm.com, npiggin@gmail.com,
christophe.leroy@csgroup.eu, aneesh.kumar@kernel.org,
naveen.n.rao@linux.ibm.com, nnac123@linux.ibm.com,
tlfalcon@linux.ibm.com, cooldavid@cooldavid.org,
marcin.s.wojtas@gmail.com, mlindner@marvell.com,
stephen@networkplumber.org, nbd@nbd.name, sean.wang@mediatek.com,
Mark-MC.Lee@mediatek.com, lorenzo@kernel.org,
matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com,
borisp@nvidia.com, bryan.whitehead@microchip.com,
UNGLinuxDriver@microchip.com, louis.peens@corigine.com,
richardcochran@gmail.com, linux-rdma@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-acenic@sunsite.dk,
linux-net-drivers@amd.com, netdev@vger.kernel.org,
Sunil Goutham <sgoutham@marvell.com>
Subject: Re: [net-next v3 05/15] net: cavium/liquidio: Convert tasklet API to new bottom half workqueue mechanism
Date: Thu, 1 Aug 2024 17:57:56 -0700 [thread overview]
Message-ID: <20240801175756.71753263@kernel.org> (raw)
In-Reply-To: <CAOMdWS+HJfjDpQX1yE+2O3nb1qAkQJC_GSiCjrrAJVrRB5r_rg@mail.gmail.com>
On Thu, 1 Aug 2024 15:00:23 -0700 Allen wrote:
> > Could you shed some light in the cover letter or this patch why
> > tasklet_enable() is converted to enable_and_queue_work() at
> > the face of it those two do not appear to do the same thing?
>
> With the transition to workqueues, the implementation on the workqueue side is:
>
> tasklet_enable() -> enable_work() + queue_work()
>
> Ref: https://lore.kernel.org/all/20240227172852.2386358-7-tj@kernel.org/
>
> enable_and_queue_work() is a helper which combines the two calls.
>
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=474a549ff4c989427a14fdab851e562c8a63fe24
>
> Hope this answers your question.
To an extent. tj says "unconditionally scheduling the work item after
enable_work() returns %true should work for most users."
You need to include the explanation of the conversion not being 1:1
in the commit message, and provide some analysis why it's fine for this
user.
next prev parent reply other threads:[~2024-08-02 0:57 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-30 18:33 [net-next v3 00/15] ethernet: Convert from tasklet to BH workqueue Allen Pais
2024-07-30 18:33 ` [net-next v3 01/15] net: alteon: Convert tasklet API to new bottom half workqueue mechanism Allen Pais
2024-07-30 18:33 ` [net-next v3 02/15] net: xgbe: " Allen Pais
2024-07-30 18:33 ` [net-next v3 03/15] net: cnic: " Allen Pais
2024-07-30 18:33 ` [net-next v3 04/15] net: macb: " Allen Pais
2024-07-30 18:33 ` [net-next v3 05/15] net: cavium/liquidio: " Allen Pais
2024-08-01 2:08 ` Jakub Kicinski
2024-08-01 22:00 ` Allen
2024-08-02 0:57 ` Jakub Kicinski [this message]
2024-08-05 17:23 ` Allen
2024-08-05 19:39 ` Jakub Kicinski
2024-08-07 3:15 ` Allen
2024-08-07 14:37 ` Jakub Kicinski
2024-08-09 2:31 ` Allen
2024-08-10 3:36 ` Jakub Kicinski
2024-08-15 16:45 ` Allen
2024-08-15 23:49 ` Jakub Kicinski
2024-08-17 16:27 ` Allen
2024-07-30 18:33 ` [net-next v3 06/15] net: octeon: " Allen Pais
2024-07-30 18:33 ` [net-next v3 07/15] net: thunderx: " Allen Pais
2024-07-30 18:33 ` [net-next v3 08/15] net: chelsio: " Allen Pais
2024-07-30 18:33 ` [net-next v3 09/15] net: sundance: " Allen Pais
2024-07-30 18:33 ` [net-next v3 10/15] net: hinic: " Allen Pais
2024-07-30 18:33 ` [net-next v3 11/15] net: ehea: " Allen Pais
2024-07-30 18:34 ` [net-next v3 12/15] net: ibmvnic: " Allen Pais
2024-07-30 18:34 ` Allen Pais
2024-07-30 18:34 ` [net-next v3 13/15] net: jme: " Allen Pais
2024-07-30 18:34 ` [net-next v3 14/15] net: marvell: " Allen Pais
2024-07-30 20:39 ` Andrew Lunn
2024-07-30 22:22 ` Russell King (Oracle)
2024-07-31 20:46 ` Allen
2024-07-31 20:41 ` Allen
2024-07-30 18:34 ` [net-next v3 15/15] net: mtk-wed: " Allen Pais
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