[bug report] WARNING: possible circular locking at: rdma_destroy_id+0x17/0x20 [rdma_cm] triggered by blktests nvmeof-mp/002

Bart Van Assche bvanassche at acm.org
Thu Jun 2 22:13:25 PDT 2022


On 6/1/22 10:30, Jason Gunthorpe wrote:
> That is just the keys, not the graph arcs. lockdep records an arc
> between every key that establishes a locking relationship and
> minimizing the number of keys also de-duplicates those arcs.

Do you agree that this overhead is acceptable since lockdep is only
used to debug kernel code?

Thanks,

Bart.




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