linux-kernel - Re: [PATCH v8-RESEND 00/33] Fix CONFIG_DRM_USE_DYNAMIC

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Date: Wed, 5 Jun 2024 11:05:30 -0600
From: jim.cromie@...il.com
To: Łukasz Bartosik <ukaszb@...omium.org>
Cc: jbaron@...mai.com, gregkh@...uxfoundation.org, 
	linux-kernel@...r.kernel.org, linux@...musvillemoes.dk, joe@...ches.com, 
	mcgrof@...nel.org, daniel.vetter@...ll.ch, tvrtko.ursulin@...ux.intel.com, 
	jani.nikula@...el.com, ville.syrjala@...ux.intel.com, seanpaul@...omium.org, 
	robdclark@...il.com, groeck@...gle.com, yanivt@...gle.com, bleung@...gle.com, 
	Kees Cook <keescook@...omium.org>
Subject: Re: [PATCH v8-RESEND 00/33] Fix CONFIG_DRM_USE_DYNAMIC_DEBUG=y regression

>
>
> > Im thinking that a combo of 1, 2 would suffice.
> > And we could probably drop the config constraints,
> > especially if the test avoids failing on configs where a failure is expected.
> > IOW - if no test-modules/builtins, run only 1st 3 tests, ending with PERCENT
> >
> > That said, I wonder if the exit 127 should be success instead ?
> >
>
> I don't follow you here. Could you please elaborate why exit 127
> should be a success ?
>

well, exit 127 is sort-of a monkey-patch.
(this) monkey, sees it used by git-bisect to not be a normal fail,
but a special signal that bisection itself failed. (maybe..)

I have no good reason to think its useful for selftests.  RFC.

WRT success,  if /proc/dynamic_debug/control doesnt exist,
thats probably intended, and we shouldnt complain.

>
> > thanks Lukas,
> > ~jimc
> >
> > > Thanks,
> > > Lukasz