linux-kernel - Re: [PATCH] kbuild: replace genhdr-y with generated-y, deprecating genhdr-y

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Date:   Fri, 9 Jun 2017 16:12:29 +0200
From:   Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-kbuild@...r.kernel.org
Cc:     Daniel Vetter <daniel.vetter@...ll.ch>,
        Michal Marek <mmarek@...e.com>,
        Michael Ellerman <mpe@...erman.id.au>, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>, Jonathan Corbet <corbet@....net>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-doc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Ingo Molnar <mingo@...hat.com>,
        Russell King <linux@...linux.org.uk>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kbuild: replace genhdr-y with generated-y, deprecating
 genhdr-y

Le 09/06/2017 à 10:29, Masahiro Yamada a écrit :
> Prior to commit fcc8487d477a ("uapi: export all headers under uapi
> directories"), genhdr-y was meant to specify generated UAPI headers.
> 
> - generated-y: generated headers (other than asm-generic wrappers)
> - header-y   : headers to be exported
> - genhdr-y   : generated headers to be exported (generated-y + header-y)
> 
> Now headers under UAPI directories are all exported.  So, there is no
> more difference between generated-y and genhdr-y.
> 
> We see two users of genhdr-y, arch/{arm,x86}/include/uapi/asm/Kbuild.
> They generate some headers in arch/{arm,x86}/include/uapi/generated/
> directories, which are obviously exported.
> 
> Replace genhdr-y with generated-y, and deprecate genhdr-y.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
Good catch. It eases the understanding of all those mechanisms.

After the fix of the typo in the commitlog:
Acked-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>