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    SubjectRe: [PATCH v5 3.1.0-rc4-tip 0/26] Uprobes patchset with perf probe support
    On Tue, Sep 20, 2011 at 07:42:04PM +0530, Srikar Dronamraju wrote:
    > I could use any other inode/file/mapping based sleepable lock that is of
    > higher order than mmap_sem. Can you please let me know if we have
    > alternatives.

    Please do not overload unrelated locks for this, but add a specific one.

    There's two options:

    (a) add it to the inode (conditionally)
    (b) use global, hashed locks

    I think (b) is good enough as adding/removing probes isn't exactly the
    most critical fast path.



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