linux-kernel - Re: [PATCH 1/3] kernel.h: drop STACK

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Message-ID: <3m64k5fagw7hp2duo43t5fldyn6argdjripx3nn6onxbr6xu6w@iwiepyn5krf6>
Date: Tue, 2 Dec 2025 21:58:19 +0100
From: Andi Shyti <andi.shyti@...nel.org>
To: Jani Nikula <jani.nikula@...ux.intel.com>
Cc: "Yury Norov (NVIDIA)" <yury.norov@...il.com>, 
	Steven Rostedt <rostedt@...dmis.org>, Masami Hiramatsu <mhiramat@...nel.org>, 
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, 
	Randy Dunlap <rdunlap@...radead.org>, Ingo Molnar <mingo@...nel.org>, 
	Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>, Rodrigo Vivi <rodrigo.vivi@...el.com>, 
	Tvrtko Ursulin <tursulin@...ulin.net>, Petr Pavlu <petr.pavlu@...e.com>, 
	Daniel Gomez <da.gomez@...nel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	"Rafael J. Wysocki" <rafael@...nel.org>, Danilo Krummrich <dakr@...nel.org>, 
	Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org, intel-gfx@...ts.freedesktop.org, 
	dri-devel@...ts.freedesktop.org, linux-modules@...r.kernel.org, 
	linux-trace-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] kernel.h: drop STACK_MAGIC macro

Hi Jani,

On Mon, Dec 01, 2025 at 09:46:47AM +0200, Jani Nikula wrote:
> On Sat, 29 Nov 2025, "Yury Norov (NVIDIA)" <yury.norov@...il.com> wrote:
> > The macro is only used by i915. Move it to a local header and drop from
> > the kernel.h.
> >
> > Signed-off-by: Yury Norov (NVIDIA) <yury.norov@...il.com>
> > ---
> >  drivers/gpu/drm/i915/i915_utils.h | 2 ++
> >  include/linux/kernel.h            | 2 --
> >  2 files changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h
> > index a0c892e4c40d..6c197e968305 100644
> > --- a/drivers/gpu/drm/i915/i915_utils.h
> > +++ b/drivers/gpu/drm/i915/i915_utils.h
> 
> i915_utils.h is on a diet itself. STACK_MAGIC is only used in selftests,
> please put this in i915_selftest.h.
> 
> I guess also need to include that from gt/selftest_ring_submission.c,
> the only one that uses STACK_MAGIC but doesn't include i915_selftest.h.

Doing this cleanups is a bit out of the scope of this patch.
Given that the patch itself has quite a good consensus, let move
it forward and I can take care of the i915 cleanup once it gets
merged.

Andi