linux-kernel - Re: [2.6 patch] asm/ptrace.h userspace headers cleanup

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Date:	Tue, 24 Jun 2008 13:08:44 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Adrian Bunk <bunk@...nel.org>
Cc:	Roland McGrath <roland@...hat.com>, linux-kernel@...r.kernel.org,
	rmk@....linux.org.uk, cooloney@...nel.org, dev-etrax@...s.com,
	dhowells@...hat.com, gerg@...inux.org,
	yasutake.koichi@...panasonic.com, linux-parisc@...r.kernel.org,
	paulus@...ba.org, linuxppc-dev@...abs.org,
	linux-sh@...r.kernel.org, chris@...kel.net,
	linux-mips@...ux-mips.org, ysato@...rs.sourceforge.jp,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [2.6 patch] asm/ptrace.h userspace headers cleanup

On Mon, Jun 23, 2008 at 08:48:09PM +0300, Adrian Bunk wrote:
> This patch contains the following cleanups for the asm/ptrace.h 
> userspace headers:
> - include/asm-generic/Kbuild.asm already lists ptrace.h, remove
>   the superfluous listings in the Kbuild files of the following
>   architectures:
>   - cris
>   - frv
>   - powerpc
>   - x86
> - don't expose function prototypes and macros to userspace:
>   - arm
>   - blackfin
>   - cris
>   - mn10300
>   - parisc
> - remove #ifdef CONFIG_'s around #define's:
>   - blackfin
>   - m68knommu
> - sh: AFAIK __SH5__ should work in both kernel and userspace,
>       no need to leak CONFIG_SUPERH64 to userspace

Yes, that's fine. We've generally avoided relying entirely on the gcc
builtin definitions due to the rampant stupidity surrounding
__SH4_NOFPU__, but it is true that __SH5__ is always defined at least.

Acked-by: Paul Mundt <lethal@...ux-sh.org>
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