linux-kernel - Re: [PATCH 6/8] x86: xen: audit and remove any unnecessary uses of module.h

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Date:	Thu, 14 Jul 2016 05:59:10 +0200
From:	Juergen Gross <jgross@...e.com>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>,
	linux-kernel@...r.kernel.org
Cc:	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	David Vrabel <david.vrabel@...rix.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	xen-devel@...ts.xenproject.org
Subject: Re: [PATCH 6/8] x86: xen: audit and remove any unnecessary uses of
 module.h

On 14/07/16 02:18, Paul Gortmaker wrote:
> Historically a lot of these existed because we did not have
> a distinction between what was modular code and what was providing
> support to modules via EXPORT_SYMBOL and friends.  That changed
> when we forked out support for the latter into the export.h file.
> 
> This means we should be able to reduce the usage of module.h
> in code that is obj-y Makefile or bool Kconfig.  The advantage
> in doing so is that module.h itself sources about 15 other headers;
> adding significantly to what we feed cpp, and it can obscure what
> headers we are effectively using.
> 
> Since module.h was the source for init.h (for __init) and for
> export.h (for EXPORT_SYMBOL) we consider each obj-y/bool instance
> for the presence of either and replace as needed.
> 
> Cc: Boris Ostrovsky <boris.ostrovsky@...cle.com>
> Cc: David Vrabel <david.vrabel@...rix.com>
> Cc: Juergen Gross <jgross@...e.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: "H. Peter Anvin" <hpa@...or.com>
> Cc: x86@...nel.org
> Cc: xen-devel@...ts.xenproject.org
> Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>

Acked-by: Juergen Gross <jgross@...e.com>

Juergen