linux-kernel - Re: [PATCH 08/15] powerpc/cell: Extract duplicated IOPTE

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Message-ID: <20090510190825.GB23659@lst.de>
Date:	Sun, 10 May 2009 21:08:26 +0200
From:	Christoph Hellwig <hch@....de>
To:	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	linux-fbdev-devel@...ts.sourceforge.net,
	Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org, cbe-oss-dev@...abs.org
Subject: Re: [PATCH 08/15] powerpc/cell: Extract duplicated IOPTE_* to <asm/iommu.h>

On Fri, May 08, 2009 at 04:01:17PM +0200, Geert Uytterhoeven wrote:
> +/* Cell page table entries */
> +#define IOPTE_PP_W		0x8000000000000000ul /* protection: write */
> +#define IOPTE_PP_R		0x4000000000000000ul /* protection: read */
> +#define IOPTE_M			0x2000000000000000ul /* coherency required */
> +#define IOPTE_SO_R		0x1000000000000000ul /* ordering: writes */
> +#define IOPTE_SO_RW             0x1800000000000000ul /* ordering: r & w */
> +#define IOPTE_RPN_Mask		0x07fffffffffff000ul /* RPN */
> +#define IOPTE_H			0x0000000000000800ul /* cache hint */
> +#define IOPTE_IOID_Mask		0x00000000000007fful /* ioid */

If this is in a global header it should probably have a CELL_ prefix.
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