[lttng-dev] Composition of objects and call_rcu() inside helper thread

[Eugene Ivanov]

Hi,

I have rculfhash which contains objects with rculfhashes. When I destruct “big” map it uses call_rcu() for every item. When internal hashes are destructed they use call_cu() too. It seems that to wait until everything is destructed I need two barriers at the end of the big hash destructor. But how can someone handle deeper hierarchy? Is there any way to determine that it is helper thread to not use call_rcu() and destruct everything in place?


Best regards,
Eugene Ivanov




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