linux-kernel - Re: [PATCH 30/30] microblaze_mmu

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Date:	Mon, 27 Apr 2009 05:59:46 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	monstr@...str.eu
Cc:	linux-kernel@...r.kernel.org, john.williams@...alogix.com
Subject: Re: [PATCH 30/30] microblaze_mmu_v1: fcntl.h MMU update

On Mon, Apr 27, 2009 at 10:32:19AM +0200, monstr@...str.eu wrote:
> From: Michal Simek <monstr@...str.eu>
> 
> Signed-off-by: Michal Simek <monstr@...str.eu>
> ---
>  arch/microblaze/include/asm/fcntl.h |   14 ++++++++++++++
>  1 files changed, 14 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/microblaze/include/asm/fcntl.h b/arch/microblaze/include/asm/fcntl.h
> index 46ab12d..b4d27f6 100644
> --- a/arch/microblaze/include/asm/fcntl.h
> +++ b/arch/microblaze/include/asm/fcntl.h
> @@ -1 +1,15 @@
> +#ifndef _ASM_MICROBLAZE_FCNTL_H
> +#define _ASM_MICROBLAZE_FCNTL_H
> +
> +#ifndef __uClinux__
> +
> +#define O_DIRECTORY	040000 /* must be a directory */
> +#define O_NOFOLLOW	0100000 /* don't follow links */
> +#define O_LARGEFILE	0200000
> +#define O_DIRECT	0400000 /* direct disk access hint */
> +
> +#endif /* __uClinux__ */
> +
>  #include <asm-generic/fcntl.h>

Again, ABIs should always be the same for MMU vs noMMU.

Also no new port shall override the asm-generic/fcntl.h constants.

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