linux-kernel - Re: [PATCH V3] asm-generic: add a generic uaccess.h

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Message-Id: <200905041232.22732.arnd@arndb.de>
Date:	Mon, 4 May 2009 12:32:22 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	monstr@...str.eu
Cc:	linux-arch@...r.kernel.org,
	Remis Lima Baima <remis.developer@...glemail.com>,
	linux-kernel@...r.kernel.org,
	Russell King <rmk+lkml@....linux.org.uk>
Subject: Re: [PATCH V3] asm-generic: add a generic uaccess.h

On Monday 04 May 2009, Michal Simek wrote:
> #define MAKE_MM_SEG(s)  ((mm_segment_t) { (s) })
> 
> #ifndef KERNEL_DS
> #define KERNEL_DS       MAKE_MM_SEG(~0UL)
> #endif
> 
> #ifndef USER_DS
> #define USER_DS         MAKE_MM_SEG(TASK_SIZE - 1)
> #endif
> 
> 
> #ifndef get_fs
> #define get_ds() (KERNEL_DS)
> #define get_fs() (current_thread_info()->addr_limit)
> 
> static inline void set_fs(mm_segment_t fs)
> {
>         current_thread_info()->addr_limit = fs;
> }
> #endif
> 

yes, looks good. Thanks for the suggestion.

	Arnd <><
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