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    SubjectRe: [patch] Real-Time Preemption, -RT-2.6.13-rc4-V0.7.52-01
    Date
    On Tue, 02 Aug 2005 18:12:27 -0700, 
    George Anzinger <george@mvista.com> wrote:
    >How about something like:
    > if (current + THREAD_SIZE/sizeof(long) - (regs + sizeof(pt_regs)) > MAGIC)

    current points to the current struct task, regs points to the kernel
    stack. Those two data areas can be completely separate, as they are on
    i386. Also i386 uses a separate kernel stack for interrupts.

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