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Date: Tue, 15 Sep 2020 15:37:05 +0200 From: Jiri Pirko <jiri@...nulli.us> To: Moshe Shemesh <moshe@...dia.com> Cc: Moshe Shemesh <moshe@...lanox.com>, "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Jiri Pirko <jiri@...lanox.com>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH net-next RFC v4 10/15] net/mlx5: Add support for devlink reload action fw activate Tue, Sep 15, 2020 at 02:44:02PM CEST, moshe@...dia.com wrote: > >On 9/14/2020 4:54 PM, Jiri Pirko wrote: >> Mon, Sep 14, 2020 at 08:07:57AM CEST, moshe@...lanox.com wrote: >> >> [..] >> >> > +static void mlx5_fw_reset_complete_reload(struct mlx5_core_dev *dev) >> > +{ >> > + struct mlx5_fw_reset *fw_reset = dev->priv.fw_reset; >> > + >> > + /* if this is the driver that initiated the fw reset, devlink completed the reload */ >> > + if (test_bit(MLX5_FW_RESET_FLAGS_PENDING_COMP, &fw_reset->reset_flags)) { >> > + complete(&fw_reset->done); >> > + } else { >> > + mlx5_load_one(dev, false); >> > + devlink_reload_implicit_actions_performed(priv_to_devlink(dev), >> > + DEVLINK_RELOAD_ACTION_LIMIT_LEVEL_NONE, >> > + BIT(DEVLINK_RELOAD_ACTION_DRIVER_REINIT) | >> > + BIT(DEVLINK_RELOAD_ACTION_FW_ACTIVATE)); >> Hmm, who originated the reset? Devlink_reload of the same devlink >> instance? > > >Not the same devlink instance for sure. I defer it by the flag above >MLX5_FW_RESET_FLAG_PENDING_COMP. If the flag set, I set complete to the >reload_down() waiting for it. Hmm, thinking about the stats, as devlink_reload_implicit_actions_performed() is called only in case another instance does the reload, shouldn't it be a separate set of stats? I think that the user would like to distinguish local and remote reload, don't you think? > > >> [..]
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