From: Leon Romanovsky <leon@kernel•org>
To: Jiri Pirko <jiri@resnulli•us>, Shannon Nelson <shnelson@amd•com>
Cc: netdev@vger•kernel.org, davem@davemloft•net, kuba@kernel•org,
pabeni@redhat•com, edumazet@google•com,
michael.chan@broadcom•com, ioana.ciornei@nxp•com,
dmichail@fungible•com, jesse.brandeburg@intel•com,
anthony.l.nguyen@intel•com, tchornyi@marvell•com,
tariqt@nvidia•com, saeedm@nvidia•com, idosch@nvidia•com,
petrm@nvidia•com, vladimir.oltean@nxp•com,
claudiu.manoil@nxp•com, alexandre.belloni@bootlin•com,
simon.horman@corigine•com, shannon.nelson@amd•com,
brett.creeley@amd•com
Subject: Re: [patch net-next 1/8] devlink: call devlink_port_register/unregister() on registered instance
Date: Tue, 6 Dec 2022 09:56:38 +0200 [thread overview]
Message-ID: <Y471ttoWlBCVMFJf@unreal> (raw)
In-Reply-To: <Y47yMItMuOfCrwiO@nanopsycho>
On Tue, Dec 06, 2022 at 08:41:36AM +0100, Jiri Pirko wrote:
> Tue, Dec 06, 2022 at 12:55:32AM CET, shnelson@amd•com wrote:
> >On 12/5/22 7:22 AM, Jiri Pirko wrote:
> >>
> >> From: Jiri Pirko <jiri@nvidia•com>
> >>
> >> Change the drivers that use devlink_port_register/unregister() to call
> >> these functions only in case devlink is registered.
> >>
> >> Signed-off-by: Jiri Pirko <jiri@nvidia•com>
> >> ---
> >> RFC->v1:
> >> - shortened patch subject
> >> ---
> >> .../net/ethernet/broadcom/bnxt/bnxt_devlink.c | 29 ++++++++++---------
> >> .../net/ethernet/freescale/dpaa2/dpaa2-eth.c | 7 +++--
> >> .../ethernet/fungible/funeth/funeth_main.c | 17 +++++++----
> >> drivers/net/ethernet/intel/ice/ice_main.c | 21 ++++++++------
> >> .../ethernet/marvell/prestera/prestera_main.c | 6 ++--
> >> drivers/net/ethernet/mscc/ocelot_vsc7514.c | 10 +++----
> >> .../ethernet/pensando/ionic/ionic_devlink.c | 6 ++--
> >> drivers/net/ethernet/ti/am65-cpsw-nuss.c | 7 +++--
> >> 8 files changed, 60 insertions(+), 43 deletions(-)
> >>
<...>
> >I don't know about the rest of the drivers, but this seems to be the exact
> >opposite of what Leon did in this patch over a year ago:
> >https://lore.kernel.org/netdev/cover.1632565508.git.leonro@nvidia.com/
>
> This patch did move for all objects, even for those where no issue
> existed. Ports are such.
Yeah, I was focused to move devlink_register() without any checks if
other devlink_* calls can be after it. The reason for that was desire
to make sure that we have devl_lock() on all netlink devlink calls.
Now, all commands are locked and we don't have commands which unlock
devlink internally and it is safe to move some devlink_* calls to be
after devlink_register() as long as they take devl_lock() and don't
mess with static devlink object data.
Thanks
next prev parent reply other threads:[~2022-12-06 7:57 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-05 15:22 [patch net-next 0/8] devlink: make sure devlink port registers/unregisters only for registered instance Jiri Pirko
2022-12-05 15:22 ` [patch net-next 1/8] devlink: call devlink_port_register/unregister() on " Jiri Pirko
2022-12-05 23:55 ` Shannon Nelson
2022-12-06 7:41 ` Jiri Pirko
2022-12-06 7:56 ` Leon Romanovsky [this message]
2022-12-06 17:35 ` Shannon Nelson
2022-12-07 13:27 ` Jiri Pirko
2022-12-07 19:45 ` Shannon Nelson
2022-12-05 15:22 ` [patch net-next 2/8] netdevsim: call devl_port_register/unregister() " Jiri Pirko
2022-12-05 15:22 ` [patch net-next 3/8] mlxsw: " Jiri Pirko
2022-12-05 15:22 ` [patch net-next 4/8] nfp: " Jiri Pirko
2022-12-05 15:22 ` [patch net-next 5/8] mlx4: " Jiri Pirko
2022-12-05 15:22 ` [patch net-next 6/8] mlx5: " Jiri Pirko
2022-12-05 15:22 ` [patch net-next 7/8] devlink: assert if devl_port_register/unregister() is called on unregistered devlink instance Jiri Pirko
2022-12-05 15:22 ` [patch net-next 8/8] devlink: remove port notifications from devlink_register/unregister() Jiri Pirko
2022-12-06 1:08 ` [patch net-next 0/8] devlink: make sure devlink port registers/unregisters only for registered instance Jakub Kicinski
2022-12-06 7:44 ` Jiri Pirko
2022-12-06 20:12 ` Jakub Kicinski
2022-12-07 13:28 ` Jiri Pirko
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