linux-hardening - Re: [PATCH v2 2/2] lib/string: shrink lib/string.i via IWYU

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Message-ID: <202312141338.CAA7708BC4@keescook>
Date: Thu, 14 Dec 2023 13:39:09 -0800
From: Kees Cook <keescook@...omium.org>
To: tanzirh@...gle.com
Cc: Andy Shevchenko <andy@...nel.org>, linux-hardening@...r.kernel.org,
	linux-kernel@...r.kernel.org, Nick DeSaulniers <nnn@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>, llvm@...ts.linux.dev
Subject: Re: [PATCH v2 2/2] lib/string: shrink lib/string.i via IWYU

On Thu, Dec 14, 2023 at 09:06:13PM +0000, tanzirh@...gle.com wrote:
> This diff uses an open source tool include-what-you-use (IWYU) to modify
> the include list changing indirect includes to direct includes.
> IWYU is implemented using the IWYUScripts github repository which is a tool that is
> currently undergoing development. These changes seek to improve build times.
> 
> This change to lib/string.c resulted in a preprocessed size of
> lib/string.i from 26371 lines to 5259 lines (-80%) for the x86
> defconfig.
> 
> Link: https://github.com/ClangBuiltLinux/IWYUScripts
> 

nit: Please drop this blank line to keep your tags together.

> Signed-off-by: Tanzir Hasan <tanzirh@...gle.com>

I'm glad to see such a big difference with just a little header
tweaking. I look forward to more like this!

Reviewed-by: Kees Cook <keescook@...omium.org>

-- 
Kees Cook