netdev - Re: [Intel-wired-lan] [PATCH iwl-next] ice: Remove and readd netdev during devlink reload

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Message-ID: <db3afbe5-b6ea-425a-bf20-9a624aa959a6@intel.com>
Date: Tue, 23 Jan 2024 12:28:32 +0100
From: Przemek Kitszel <przemyslaw.kitszel@...el.com>
To: Wojciech Drewek <wojciech.drewek@...el.com>,
	<intel-wired-lan@...ts.osuosl.org>
CC: <netdev@...r.kernel.org>, <jiri@...nulli.us>
Subject: Re: [Intel-wired-lan] [PATCH iwl-next] ice: Remove and readd netdev
 during devlink reload

On 1/23/24 12:18, Wojciech Drewek wrote:
> Recent changes to the devlink reload (commit 9b2348e2d6c9
> ("devlink: warn about existing entities during reload-reinit"))
> force the drivers to destroy devlink ports during reinit.
> Adjust ice driver to this requirement, unregister netdvice, destroy
> devlink port. ice_init_eth() was removed and all the common code
> between probe and reload was moved to ice_load().
> 
> During devlink reload we can't take devl_lock (it's already taken)
> and in ice_probe() we have to lock it. Use devl_* variant of the API
> which does not acquire and release devl_lock. Guard ice_load()
> with devl_lock only in case of probe.
> 
> Introduce ice_debugfs_fwlog_deinit() in order to release PF's
> debugfs entries. Move ice_debugfs_exit() call to ice_module_exit().
> 
> Suggested-by: Jiri Pirko <jiri@...dia.com>
> Signed-off-by: Wojciech Drewek <wojciech.drewek@...el.com>
> ---
>   drivers/net/ethernet/intel/ice/ice.h         |   3 +
>   drivers/net/ethernet/intel/ice/ice_debugfs.c |  10 +
>   drivers/net/ethernet/intel/ice/ice_devlink.c |  68 ++++++-
>   drivers/net/ethernet/intel/ice/ice_fwlog.c   |   2 +
>   drivers/net/ethernet/intel/ice/ice_main.c    | 189 ++++++-------------
>   5 files changed, 139 insertions(+), 133 deletions(-)
> 

Thank you,
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>