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Date:   Wed, 13 Jun 2018 22:36:14 +0200
From:   Sam Ravnborg <sam@ravnborg.org>
To:     Masahiro Yamada <yamada.masahiro@socionext.com>
Cc:     Nadav Amit <namit@vmware.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
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        Ingo Molnar <mingo@redhat.com>,
        "H. Peter Anvin" <hpa@zytor.com>,
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Subject: Re: [PATCH v4 1/9] Makefile: Prepare for using macros for inline asm
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> 
> > +macros: $(obj)/macros.s
> > +       @:
> 
> If you add a phony target, it should be added to 'PHONY'.

Or this part:
> +archmacros:
> +       $(Q)$(MAKE) $(build)=arch/x86/kernel macros

could be modified to specify the exact filename so this indirection is not needed.

PS. Only one file posted to kbuild, so impossible to review as context is missing.

	Sam