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Hi Sebastian,

Just a heads up wrt $subject...

I had done the same in my 5.6 tree, but then 5.7 came along, and I had
to revisit due to 34c881745549e adding an allocation under that lock
with irqs disabled. The same commit that added the lock added this.

local_irq_save(flags); // For safely calling this_cpu_ptr().

Whacking that instead of converting the lock cures 5.6 and 5.7 woes.


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