linux-kernel - Re: asm/kvm_para.h from asm-generic (was: Re: linux-next: triage for April 19, 2012)

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Message-ID: <20120619184803.GA31656@merkur.ravnborg.org>
Date:	Tue, 19 Jun 2012 20:48:03 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	linux-kbuild <linux-kbuild@...r.kernel.org>,
	Avi Kivity <avi@...hat.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Linux/m68k <linux-m68k@...r.kernel.org>, kvm@...r.kernel.org,
	Paul Mundt <lethal@...ux-sh.org>
Subject: Re: asm/kvm_para.h from asm-generic (was: Re: linux-next: triage
	for April 19, 2012)

> >>
> >> I just noticed include/asm-generic/Kbuild.asm already had
> >>
> >> ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/kvm_para.h \
> >>                  $(srctree)/include/asm-$(SRCARCH)/kvm_para.h),)
> >> header-y  += kvm_para.h
> >> endif
> >>
> >> but this doesn't seem to work.
> >>
> >> Kbuild people: which one is correct?

Any use of wildcards in include/asm-generic/Kbuild.asm is bogus.
We should:
1) add explicit header-y for kvm.h + a.out.h to the relevant architectures.
2) add explicit header-y for kvm_para.h for the archictectures that needs this file
3) and drop header-y / dummy file fro the others.

Anything else is just papering over the initial wrong doings.

I actually coded up "header-n" support to explicitly say:
do not include this file for this arch - but looking at the
actual problem being solved this is just bogus so I killed
it off again.

	Sam
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