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    Subject[PATCH 18/39] NLKD/x86-64 - INT1/INT3 handling changes
    - switches the INT3 handler to run on an IST stack (to cope with
    breakpoints set by a kernel debugger on places where the kernel's
    %gs base hasn't been set up, yet); the IST stack used is shared with
    the INT1 handler's
    - allows nesting of INT1/INT3 handlers so that one can, with a kernel
    debugger, debug (at least) the user-mode portions of the INT1/INT3
    handling; the nesting isn't actively enabled here since a kernel-
    debugger-free kernel doesn't need it

    From: Jan Beulich <>

    (actual patch attached)

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      Last update: 2005-11-09 15:14    [W:0.025 / U:31.476 seconds]
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