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    SubjectRe: [PATCH] perf_counter: Provide functions for locking and pinning the context for a task
    Ingo Molnar writes:

    > -tip testing found that these patches are causing a crash:

    Argh. What was userspace doing at the time of the crash, do you know?
    It looks like it might have been on/off-lining a cpu, judging by the
    stack trace. Would there have been any counters attached to the task
    doing there, or were there any per-cpu counters active?

    Paul.


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