From mboxrd@z Thu Jan  1 00:00:00 1970
From: matthias.bgg@gmail.com (Matthias Brugger)
Date: Thu, 13 Dec 2012 11:52:53 +0100
Subject: can I input a gate service to kernel to get kernel data to user ?
In-Reply-To: <16a2ade.3489.13b92440bba.Coremail.horse_rivers@126.com>
References: <16a2ade.3489.13b92440bba.Coremail.horse_rivers@126.com>
Message-ID: <50C9B385.8060107@gmail.com>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

On 12/13/2012 04:17 AM, horse_rivers wrote:
> is there method for doing this work? take kernel data to user?

I think copy_to_user is what you are looking for:
http://lxr.free-electrons.com/source/include/asm-generic/uaccess.h#L253

Cheers,
Matthias

>
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> thanks!
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