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    SubjectRe: [PATCH] generic show_stack facility
    >>>>> On Fri, 29 Mar 2002 15:23:14 +0000, Christoph Hellwig <hch@infradead.org> said:

    Christoph> This patch adds a prototype for show_stack to sched.h and
    Christoph> exports it. Andrea's VM updates want this, as does Tux
    Christoph> and I think it's a facility we want to proive genericly.

    Christoph> Note that some architectures (e.g. ia64) have a
    Christoph> conflicting prototype and some (e.g. sparc) don't have
    Christoph> show_stack at all, but I think -pre5 is early enough in
    Christoph> the 2.4.19 cycle to let the maintainers fix it.

    Christoph> Could you apply the patch to your tree?

    Please don't. The patch is broken.

    Christoph, why do you think the prototype for ia64 is different? It's
    because it *has to be*. In general, you can't do a backtrace without
    having the full (preserved) state of the CPU at the point of which the
    backtrace begins.

    --david
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