linux-kernel - Re: [PATCH net-next v5 10/10] ethtool: Veto some operations during firmware flashing process

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Date: Mon, 29 Apr 2024 20:23:31 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Danielle Ratson <danieller@...dia.com>
Cc: <netdev@...r.kernel.org>, <davem@...emloft.net>, <edumazet@...gle.com>,
 <pabeni@...hat.com>, <corbet@....net>, <linux@...linux.org.uk>,
 <sdf@...gle.com>, <kory.maincent@...tlin.com>,
 <maxime.chevallier@...tlin.com>, <vladimir.oltean@....com>,
 <przemyslaw.kitszel@...el.com>, <ahmed.zaki@...el.com>,
 <richardcochran@...il.com>, <shayagr@...zon.com>,
 <paul.greenwalt@...el.com>, <jiri@...nulli.us>,
 <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
 <mlxsw@...dia.com>, <petrm@...dia.com>, <idosch@...dia.com>
Subject: Re: [PATCH net-next v5 10/10] ethtool: Veto some operations during
 firmware flashing process

On Wed, 24 Apr 2024 16:30:23 +0300 Danielle Ratson wrote:
> Some operations cannot be performed during the firmware flashing process.
> 
> For example:
> 
> - Port must be down during the whole flashing process to avoid packet loss
>   while committing reset for example.
> 
> - Writing to EEPROM interrupts the flashing process, so operations like
>   ethtool dump, module reset, get and set power mode should be vetoed.
> 
> - Split port firmware flashing should be vetoed.
> 
> - Flashing firmware on a device which is already in a flashing process
>   should be forbidden.
> 
> Use the 'module_fw_flashing_in_progress' flag introduced in a previous
> patch to veto those operations and prevent interruptions while preforming
> module firmware flash.

Feels a little out of order to add this check after the functionality.
I'd merge this with patch 5.