linux-kernel - Re: [PATCH 2/3] kbuild: remove unnecessary variable initializaions

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Date:	Tue, 23 Sep 2014 16:56:01 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Masahiro Yamada <yamada.m@...panasonic.com>
Cc:	linux-kbuild <linux-kbuild@...r.kernel.org>,
	Andrew Victor <linux@...im.org.za>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Russell King <linux@....linux.org.uk>,
	Hartley Sweeten <hsweeten@...ionengravers.com>,
	Ryan Mallon <rmallon@...il.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Greg Ungerer <gerg@...inux.org>,
	Ben Dooks <ben-linux@...ff.org>,
	Tony Lindgren <tony@...mide.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	Linux-OMAP <linux-omap@...r.kernel.org>
Subject: Re: [PATCH 2/3] kbuild: remove unnecessary variable initializaions

On Tue, Sep 9, 2014 at 12:26 PM, Masahiro Yamada
<yamada.m@...panasonic.com> wrote:

> Clearing obj-y, obj-m, obj-n, obj- in each Makefile is
> a useless habit.
>
> They are non-exported variables; therefore they are always empty
> whenever descending into each subdirectory.
> (Moreorver, obj-y and obj-m are also set to empty at the beginning
> of scripts/Makefile.build)
>
> Signed-off-by: Masahiro Yamada <yamada.m@...panasonic.com>

Acked-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij
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