Received-SPF: pass (google.com: domain of linux-kernel+bounces-183721-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3;
Date: Mon, 20 May 2024 15:22:47 +0300
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Devarsh Thakkar <devarsht@ti.com>
Cc: Daniel Latypov <dlatypov@google.com>, mchehab@kernel.org,
	hverkuil-cisco@xs4all.nl, linux-media@vger.kernel.org,
	linux-kernel@vger.kernel.org, benjamin.gaignard@collabora.com,
	sebastian.fricke@collabora.com, akpm@linux-foundation.org,
	gregkh@linuxfoundation.org, adobriyan@gmail.com,
	jani.nikula@intel.com, p.zabel@pengutronix.de, airlied@gmail.com,
	daniel@ffwll.ch, dri-devel@lists.freedesktop.org,
	laurent.pinchart@ideasonboard.com, praneeth@ti.com, nm@ti.com,
	vigneshr@ti.com, a-bhatia1@ti.com, j-luthra@ti.com, b-brnich@ti.com,
	detheridge@ti.com, p-mantena@ti.com, vijayp@ti.com,
	andrzej.p@collabora.com, nicolas@ndufresne.ca, davidgow@google.com
Subject: Re: [PATCH v8 07/10] lib: add basic KUnit test for lib/math
Message-ID: <ZktAlza1zEke1eCx@smile.fi.intel.com>
References: <20240517171532.748684-1-devarsht@ti.com>
 <20240517173607.800549-1-devarsht@ti.com>
 <Zke6o3HYnUrgtD0K@smile.fi.intel.com>
 <7b8cd37b-5b16-2d99-ab62-5d6876e6571c@ti.com>
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <7b8cd37b-5b16-2d99-ab62-5d6876e6571c@ti.com>
Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo

On Mon, May 20, 2024 at 05:11:18PM +0530, Devarsh Thakkar wrote:
> On 18/05/24 01:44, Andy Shevchenko wrote:
> > On Fri, May 17, 2024 at 11:06:07PM +0530, Devarsh Thakkar wrote:

[..]

> >> +#include <kunit/test.h>
> >> +#include <linux/gcd.h>
> > 
> >> +#include <linux/kernel.h>
> > 
> > Do you know why this header is included?
> 
> It includes all the other required headers (including those you mentioned
> below), and header list is probably copied from other files in same directory.
> But it does suffice the requirements as I have verified the compilation.

Yes, and one should follow IWYU principle and not cargo cult or whatever
arbitrary lists.

> >> +#include <linux/lcm.h>
> > 
> > + math.h // obviously
> > + module.h
> > 
> >> +#include <linux/reciprocal_div.h>
> > 
> > + types.h
> 
> All the above headers are already included as part of kernel.h

Yes, that's why you should not use "proxy" headers.
Have you read the top comment in the kernel.h?

-- 
With Best Regards,
Andy Shevchenko