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    Subject[RFC Patch 0/9] Hardware Breakpoint interfaces - v4
    Hi All,
    Please find the new set of patches that introduce kernel
    interfaces to use Hardware Breakpoint registers and an implementation
    for x86 (and x86_64) architecture, now labelled as Version IV.

    The patches are based on 2.6.29-rc2 and have been tested to work fine on
    x86 architecture. Some of the major changes over the previous version of
    patches include:
    i) A sample kernel module that uses Data Hardware breakpoint over a
    kernel variable to monitor write operations. See
    ii) Changes in the register_kernel_hw_breakpoint() interface to accept
    only one parameter - pointer to a 'hw_breakpoint' structure which will
    contain all relevant data members.

    Attempts to convert KGDB to use the proposed interfaces is stalled due
    to an issue with KGDB (detailed here: and any
    help from its maintainers will be gladly welcomed.

    Pending any serious issues/comments, the next revision of patches will
    be cleaved of the RFC tag and will be requested for inclusion.


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