linux-kernel - Re: [PATCH] arm64: vdso: fix and clean-up Makefile

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Message-ID: <20190403124438.GH16362@fuggles.cambridge.arm.com>
Date:   Wed, 3 Apr 2019 13:44:38 +0100
From:   Will Deacon <will.deacon@....com>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: vdso: fix and clean-up Makefile

Hi Masahiro,

On Wed, Apr 03, 2019 at 05:48:22PM +0900, Masahiro Yamada wrote:
> - $(call if_changed,...) must have FORCE as a prerequisite
> 
> - vdso.lds is a generated file, so it should be prefixed with
>   $(obj)/ instead of $(src)/.

Hmm, this sounds quite alarming! How come out of tree builds seem to work
ok without this patch?

Will