netdev - Re: [RFC 0/6] Regressions for "imply" behavior change

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Message-ID: <20200416145235.GR5100@ziepe.ca>
Date:   Thu, 16 Apr 2020 11:52:35 -0300
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Jani Nikula <jani.nikula@...ux.intel.com>,
        Saeed Mahameed <saeedm@...lanox.com>,
        "narmstrong@...libre.com" <narmstrong@...libre.com>,
        "masahiroy@...nel.org" <masahiroy@...nel.org>,
        "Laurent.pinchart@...asonboard.com" 
        <Laurent.pinchart@...asonboard.com>,
        "leon@...nel.org" <leon@...nel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "linux-renesas-soc@...r.kernel.org" 
        <linux-renesas-soc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "nico@...xnic.net" <nico@...xnic.net>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "kieran.bingham+renesas@...asonboard.com" 
        <kieran.bingham+renesas@...asonboard.com>,
        "a.hajda@...sung.com" <a.hajda@...sung.com>,
        "jonas@...boo.se" <jonas@...boo.se>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "airlied@...ux.ie" <airlied@...ux.ie>,
        "jernej.skrabec@...l.net" <jernej.skrabec@...l.net>
Subject: Re: [RFC 0/6] Regressions for "imply" behavior change

On Thu, Apr 16, 2020 at 02:38:50PM +0200, Arnd Bergmann wrote:
> On Thu, Apr 16, 2020 at 12:17 PM Jani Nikula
> <jani.nikula@...ux.intel.com> wrote:
> >
> > On Thu, 16 Apr 2020, Arnd Bergmann <arnd@...db.de> wrote:
> > > On Thu, Apr 16, 2020 at 5:25 AM Saeed Mahameed <saeedm@...lanox.com> wrote:
> > >> BTW how about adding a new Kconfig option to hide the details of
> > >> ( BAR || !BAR) ? as Jason already explained and suggested, this will
> > >> make it easier for the users and developers to understand the actual
> > >> meaning behind this tristate weird condition.
> > >>
> > >> e.g have a new keyword:
> > >>      reach VXLAN
> > >> which will be equivalent to:
> > >>      depends on VXLAN && !VXLAN
> > >
> > > I'd love to see that, but I'm not sure what keyword is best. For your
> > > suggestion of "reach", that would probably do the job, but I'm not
> > > sure if this ends up being more or less confusing than what we have
> > > today.
> >
> > Ah, perfect bikeshedding topic!
> >
> > Perhaps "uses"? If the dependency is enabled it gets used as a
> > dependency.
> 
> That seems to be the best naming suggestion so far

Uses also  makes sense to me.

> > Of course, this is all just talk until someone(tm) posts a patch
> > actually making the change. I've looked at the kconfig tool sources
> > before; not going to make the same mistake again.
> 
> Right. OTOH whoever implements it gets to pick the color of the
> bikeshed. ;-)

I hope someone takes it up, especially now that imply, which
apparently used to do this, doesn't any more :)

Jason