Avi Kivity wrote:
> Glauber Costa wrote:
>> As Marcelo pointed out, we need slots_lock to protect
>> against slots changing under our nose during wall clock
>> writing.
>>
>> This patch address this issue.
>>
>>   
> 
> Applied, thanks.
> 
> This lock is fairly annoying.  What do you think about taking it in 
> vcpu_run unconditionally and only dropping it while in guest mode?  Most 
> exits are mmu (or with npt, mmio) so they need to take it anyway.
> 
Can't see the point. This is taken before updates to the wall clock, not 
system time.

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