2016-12-16 14:30-0800, David Matlack:
> KVM's lapic emulation uses static_key_deferred (apic_{hw,sw}_disabled).
> These are implemented with delayed_work structs which can still be
> pending when the KVM module is unloaded. We've seen this cause kernel
> panics when the kvm_intel module is quickly reloaded.
>
> Use the new static_key_deferred_flush() API to flush pending updates on
> module unload.
>
> Signed-off-by: David Matlack <[email protected]>
> ---
Oh, this forgotten bug. I guess that patches to do this automatically
from generic module unload code would be over-engineering it ...
Reviewed-by: Radim Krčmář <[email protected]>
Thanks.