linux-kernel - Re: [PATCH] add iommu_num

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Message-Id: <20080729192834M.fujita.tomonori@lab.ntt.co.jp>
Date:	Tue, 29 Jul 2008 19:27:59 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	davem@...emloft.net
Cc:	joerg.roedel@....com, sfr@...b.auug.org.au,
	fujita.tomonori@....ntt.co.jp, mingo@...e.hu, 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 Tue, 29 Jul 2008 03:10:05 -0700 (PDT)
David Miller <davem@...emloft.net> wrote:

> From: Joerg Roedel <joerg.roedel@....com>
> Date: Tue, 29 Jul 2008 11:50:27 +0200
> 
> > I think moving that function to x86-only code is the best solution for
> > now. Before moving it back to generic code we need an architecture
> > independent way to find out the IOMMU page size.
> 
> My suggestion (again) is to pass it in as a "const unsigned long
> io_page_size" argument and update the callers.

Either is fine by me.

Joerg, if you like, please finish this (for all the architectures,
please). As I said before, I planed to work on this cleanup after rc1
(and this should have been 2.6.28 stuff). But I'd appreciate if you
would do.

Thanks,
--
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