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Date: Fri, 4 Aug 2006 00:14:02 +0400
From: Alexey Dobriyan <adobriyan@gmail.com>
To: Dave Jones <davej@redhat.com>, Adrian Bunk <bunk@stusta.de>,
       linux-kernel@vger.kernel.org, David Woodhouse <dwmw2@infradead.org>,
       "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: Userspace visible of 3 include/asm/ headers
Message-ID: <20060803201402.GA6828@martell.zuzino.mipt.ru>
References: <20060803193952.GF25692@stusta.de> <20060803194410.GC16927@redhat.com>
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On Thu, Aug 03, 2006 at 03:44:10PM -0400, Dave Jones wrote:
> On Thu, Aug 03, 2006 at 09:39:52PM +0200, Adrian Bunk wrote:
>  > Could anyone help me regarding the desired userspace visibility of the
>  > following three headers under include/asm/?
>  >
>  > Header        : cpufeature.h
>  > Architectures : i386, x86_64
>  > Is there any reason why this header is exported to userspace?
>
> Probably not. The only apps I've seen that care about feature bits
> define them theirselves rather than use these.

Feature bits are only (indirectly) visible via /proc/cpuinfo.
struct cpuinfo_x86, AFAICS, is never copied to userspace. So, it's safe
to remove this header.

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