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Date:   Mon, 4 Apr 2022 00:41:54 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Masahiro Yamada <masahiroy@kernel.org>
Cc:     Arnd Bergmann <arnd@arndb.de>, linux-kernel@vger.kernel.org,
        linux-kbuild@vger.kernel.org, linux-arch@vger.kernel.org,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [PATCH 2/8] kbuild: prevent exported headers from including
 <stdlib.h>, <stdbool.h>
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On Mon, Apr 04, 2022 at 03:19:42PM +0900, Masahiro Yamada wrote:
> If we can make kernel headers self-contained (that is, none of exported
> kernel headers includes system headers), we will be able to add the
> -nostdinc flag, but that is much far from where we stand now.

What is still missing for that?