Re: [PATCH] perf_counter: Provide functions for locking andpinning the context for a task

[Paul Mackerras]

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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