Re: [PATCH][5/8] Arch agnostic completely out of line locks / ppc64

[Paul Mackerras]

William Lee Irwin III writes:

> The semantics of profile_pc() have never included backtracing through
> scheduling primitives, so I'd say just report __preempt_spin_lock().

I disagree that __preempt_spin_lock is a scheduling primitive, or at
least I disagree that it is primarily a scheduling primitive.  We
don't spend vast amounts of time spinning in any of the other
scheduling primitives; if we have to wait we call schedule().

Paul.
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