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From: Mathieu Desnoyers on 29 Mar 2010 10:40
Hi,

Here is an updated version of the RCU head debug. It removes all rcu head
initializations except for "on_stack" initializations. The state of rcu_head
before call_rcu() really does not matter.

The debug objects use a fixup to keep track of rcu_heads from activation
performed from call_rcu(), except for "on_stack" initialization, which needs to
be explicit.

Thanks,

Mathieu

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Mathieu Desnoyers
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Prev: perf, x86: Utilize the LBRs for machine/oops debugging
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