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    Subject[PATCH 0/3] printk: Remove lockdep_off() and wakeups
    These three patches rework printk() to remove the lockdep_off() hackery and
    remove the need for printk() to do wakeups, which should make it much more
    reliable in various contexts.

    The first patch is already in -tip, the others are not. Ingo reported some
    problems with #2, but I've been unable to reproduce so far.

    The third patch has the semaphore trickery in and keeps it private to printk.c
    as per Thomas' request.

    A kernel with all three applied and lockdep enabled seems to have no problem
    booting.




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