[PATCH] (0/4) stack updates for x86

From: Dave Hansen (haveblue@us.ibm.com)
Date: Mon Dec 09 2002 - 17:09:01 EST

The kernel currently uses an 8k stack, per task. Here is the
infrastructure needed to allow us to halve that. The original work
was by Ben LaHaise. I broke it out into several patches and updated
it for the current kernels.

        Gets asm-i386/thread_info.h ready for the irqstack and
        overflow detection patches

        Have special stacks for use in interrupts.

        Check for stack overflows on entry to each funtion. Use gcc's
        -p profiling feature to do it.

        make a config option to turn on 4k stacks. (there appears to
        be a problem with this right now).

Dave Hansen

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