netdev - Re: [RFC 02/11] Add RoCE driver framework

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Message-ID: <20160913063806.GP8812@leon.nu>
Date:   Tue, 13 Sep 2016 09:38:06 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Yuval Mintz <Yuval.Mintz@...gic.com>
Cc:     Mark Bloch <markb@...lanox.com>,
        Ram Amrani <Ram.Amrani@...gic.com>,
        "dledford@...hat.com" <dledford@...hat.com>,
        David Miller <davem@...emloft.net>,
        Ariel Elior <Ariel.Elior@...gic.com>,
        Michal Kalderon <Michal.Kalderon@...gic.com>,
        Rajesh Borundia <rajesh.borundia@...gic.com>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>
Subject: Re: [RFC 02/11] Add RoCE driver framework

On Mon, Sep 12, 2016 at 07:17:35PM +0000, Yuval Mintz wrote:
> >> +uint debug;
> >> +module_param(debug, uint, 0);
> >> +MODULE_PARM_DESC(debug, "Default debug msglevel");
>
> >Why are you adding this as a module parameter?
>
> I believe this is mostly to follow same line as qede which also defines
> 'debug' module parameter for allowing easy user control of debug
> prints [& specifically for probe prints, which can't be controlled
> otherwise].

Can you give us an example where dynamic debug and tracing infrastructures
are not enough?

AFAIK, most of these debug module parameters are legacy copy/paste
code which is useless in real life scenarios.

Thanks


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