linux-kernel - Re: [PATCH] add iommu_num

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Message-Id: <20080729144330C.fujita.tomonori@lab.ntt.co.jp>
Date:	Tue, 29 Jul 2008 14:42:48 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	davem@...emloft.net
Cc:	sfr@...b.auug.org.au, fujita.tomonori@....ntt.co.jp, mingo@...e.hu,
	joerg.roedel@....com, mingo@...hat.com, tglx@...utronix.de,
	linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
	bhavna.sarathy@....com, robert.richter@....com,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	jbarnes@...tuousgeek.org, linux-next@...r.kernel.org
Subject: Re: [PATCH] add iommu_num_pages helper function

On Mon, 28 Jul 2008 22:24:39 -0700 (PDT)
David Miller <davem@...emloft.net> wrote:

> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Tue, 29 Jul 2008 13:56:52 +1000
> 
> > Um, did you see the linux-next build report I posted (possibly not):
> > 
> > arch/powerpc/kernel/iommu.c:56: error: static declaration of 'iommu_num_pages' follows non-static declaration
> > include/linux/iommu-helper.h:11: error: previous declaration of 'iommu_num_pages' was here
> > 
> > This is now a build of 2.6.27-rc1 for powerpc64 ppc64_defconfig ...
> 
> It breaks sparc64 the same exact way. :-/

Yeah, it breaks both. It's not a proper helper function that all the
architectures can use so how about making it x86 stuff?

http://marc.info/?l=linux-kernel&m=121730644704448&w=2
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