linux-kernel - Re: [Intel-gfx] [PATCH v2 09/11] drm: Convert open-coded yes/no strings to yesno()

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Date:   Wed, 26 Jan 2022 14:15:11 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Lucas De Marchi <lucas.demarchi@...el.com>
Cc:     Emma Anholt <emma@...olt.net>, David Airlie <airlied@...ux.ie>,
        nouveau@...ts.freedesktop.org,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        dri-devel@...ts.freedesktop.org,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Vishal Kulkarni <vishal@...lsio.com>,
        Francis Laniel <laniel_francis@...vacyrequired.com>,
        Kentaro Takeda <takedakn@...data.co.jp>,
        amd-gfx@...ts.freedesktop.org, Ben Skeggs <bskeggs@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Harry Wentland <harry.wentland@....com>,
        Petr Mladek <pmladek@...e.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Leo Li <sunpeng.li@....com>, intel-gfx@...ts.freedesktop.org,
        Raju Rangoju <rajur@...lsio.com>,
        Julia Lawall <julia.lawall@...6.fr>,
        Rahul Lakkireddy <rahul.lakkireddy@...lsio.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org,
        Christian König <christian.koenig@....com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        linux-security-module@...r.kernel.org, netdev@...r.kernel.org,
        Alex Deucher <alexander.deucher@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "David S. Miller" <davem@...emloft.net>
Subject: Re: [Intel-gfx] [PATCH v2 09/11] drm: Convert open-coded yes/no
 strings to yesno()

On Wed, Jan 26, 2022 at 02:43:45AM -0800, Lucas De Marchi wrote:
> On Wed, Jan 26, 2022 at 12:12:50PM +0200, Andy Shevchenko wrote:
> > On Wed, Jan 26, 2022 at 11:39 AM Lucas De Marchi
> > <lucas.demarchi@...el.com> wrote:

...

> > >  411986   10490    6176  428652   68a6c drm.ko.old
> > >  411986   10490    6176  428652   68a6c drm.ko
> > >   98129    1636     264  100029   186bd dp/drm_dp_helper.ko.old
> > >   98129    1636     264  100029   186bd dp/drm_dp_helper.ko
> > > 1973432  109640    2352 2085424  1fd230 nouveau/nouveau.ko.old
> > > 1973432  109640    2352 2085424  1fd230 nouveau/nouveau.ko
> > 
> > This probably won't change for modules, but if you compile in the
> > linker may try to optimize it. Would be nice to see the old-new for
> > `make allyesconfig` or equivalent.
> 
> just like it would already do, no? I can try and see what happens, but
> my feeling is that we won't have any change.

Maybe not or maybe a small win. Depends how compiler puts / linker sees
that in two cases. (Yeah, likely it should be no differences if all
instances are already caught by linker)

-- 
With Best Regards,
Andy Shevchenko