can I input a gate service to kernel to get kernel data to user ?

[horse_rivers]

At 2012-12-13 18:11:24,"Daniel Baluta" <daniel.baluta at gmail.com> wrote:
>On Thu, Dec 13, 2012 at 5:17 AM, horse_rivers <horse_rivers at 126.com> wrote:
>> is there method for doing this work? take kernel data to user?
>
>Check copy_to_user [1].

how can user application achive to getting data from kernel , I have no idea about  procedure for implementing this quest

is there some advice ?

BestRegards!
 
>
>thanks,
>Daniel.
>
>[1] http://lxr.linux.no/#linux+v3.7/arch/x86/lib/usercopy_32.c#L715
>
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