linux-kernel - Re: [PATCH 00/28] Fast kernel headers: reduce header dependencies

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Message-ID: <28b1d750-fa74-4279-b292-e36cea995e80@infradead.org>
Date: Wed, 31 Jan 2024 13:44:04 -0800
From: Randy Dunlap <rdunlap@...radead.org>
To: Max Kellermann <max.kellermann@...os.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/28] Fast kernel headers: reduce header dependencies

Hi Max,

On 1/31/24 06:49, Max Kellermann wrote:
> This patch set aims to reduce the dependencies between headers, in
> order to have cleaner code and speed up the build.  It continues
> previous efforts by other developers.
> 
> As a preparation, the first patch adds "#include" directives to source
> files that were missing previously, but due to indirect includes, this
> was never noticed.  After the cleanup, many missing directives would
> result in a compiler failure.
> 
> The second patch removes superfluous "#include" directives, some of
> which may be a leftover from refactoring patches.

[snip]

> Max Kellermann (28):
>   include: add missing includes
>   include: remove unnecessary #include directives

How were these (a) missing and (b) unnecessary includes
found or determined?
Did you use some tool for that? If so, which one?

thanks.
-- 
#Randy