Avi Kivity wrote:
> 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.
Agree, so I just say it is a potential issue in future. If not proper for
2.6.28, it should be also Okay to merge it into 2.6.29:)
Xiantao--
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