user_mode(regs) macro in kernel

[Anirban Roy]

It checks whether exception happened in user mode or supervisor mode
On Jun 20, 2012 5:15 PM, "sumeet linux" <sumeet4linux at gmail.com> wrote:

> Hi All,
>
> What is the meaning of user_mode(regs) macro ?  What does it do ?
> This macro used in many files in kernel like signal.c, trap.c, process.c
> files.
> From the code it looks like it checks is in USER mode or KERNEL mode, but
> still not clear on usage and implementation of this macro.
>
> Thanks.
>
> Regard,
> Sumeet
>
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