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    Subject[Question] arch-independent way to differentiate between user and kernel
    Hi all,

    I'm dealing with a problem where I want to know from __do_IRQ in
    kernel/irq/handle.c if the interrupt occurred while the process was in
    user space or kernel space. But the trick here is that it must work on
    all architectures.

    Does anyone know of some way that that function can tell if it had
    interrupted the kernel or user space? I know of serveral arch-dependent
    ways, but that's not acceptable right now.


    -- Steve

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