Re: [PATCH] perf lock: Fix state machine to recognize lock sequence

[Hitoshi Mitake]

On 04/21/10 17:55, Peter Zijlstra wrote:
> On Wed, 2010-04-21 at 03:26 +0200, Frederic Weisbecker wrote:
>> The max lockdep depth may
>> change in the future, or become variable, so we can't relay on that.
>>
> Change, possible, variable unlikely, you need a memory allocation to
> extend it, and memory allocation takes locks, which is not a nice thing
> to do in the middle of lockdep.

Thanks for your clear description.
It seems that we can think that maximum depth of lock will not be variable.

Thanks,
	Hitoshi
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