netdev - Re: [RFC PATCH 1/3] usbnet: Get rid of spammy usbnet "kevent X may have been dropped"

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Date:   Tue, 19 Sep 2017 19:45:58 +0200
From:   Bjørn Mork <bjorn@...k.no>
To:     Douglas Anderson <dianders@...omium.org>
Cc:     Oliver Neukum <oneukum@...e.com>, groeck@...omium.org,
        grundler@...omium.org, netdev@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 1/3] usbnet: Get rid of spammy usbnet "kevent X may have been dropped"

Douglas Anderson <dianders@...omium.org> writes:

> Every once in a while when my system is under a bit of stress I see
> some spammy messages show up in my logs that say:
>
>   kevent X may have been dropped
>
> As far as I can tell these messages aren't terribly useful.

I agree, FWIW. These messages just confuse users for no purpose at all.


> +	/* If work is already started this will mark it to run again when it
> +	 * finishes; if we already had work pending and it hadn't started
> +	 * yet then that's fine too.
> +	 */
> +	schedule_work (&dev->kevent);
> +	netdev_dbg(dev->net, "kevent %d scheduled\n", work);

Or maybe

        if (schedule_work (&dev->kevent))
        	netdev_dbg(dev->net, "kevent %d scheduled\n", work);


?  Not that I think it matters much.


Bjørn