Zhang, Xiantao wrote:
It is a potential issue. If the vcpu goes to halt with the lock taken, other vcpus wants to take write lock, they have to wait until the all halted vcpus are waken up, so it may impact performance. :)
What is the impact? Taking slots_lock for write is very rare. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain. -- To unsubscribe from this list: send the line "unsubscribe kvm-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html