linux-kernel - Re: [PATCH] add iommu_num

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Message-Id: <20080729.031005.203132019.davem@davemloft.net>
Date:	Tue, 29 Jul 2008 03:10:05 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	joerg.roedel@....com
Cc:	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

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.
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