Re: [patch 1/2] KVM: x86: handle double and triple faults for every exception

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Avi Kivity wrote:
> On 11/15/2009 02:51 PM, Gleb Natapov wrote:
>>
>>> "replacing" exceptions is dangerous in the case of debug exceptions
>>> and machine checks, since restarting execution won't recover them.
>>>
>>>      
>> But not replacing them is not better. No point in re-injecting
>> exception that causes another exception.
>>    
> 
> Right, just pointing out there's still a small hole left.  Replacing is
> much better ignoring.

Is the hardware doing some queuing in this case? Would it be overly
complicated to adopt the real behavior here?

Jan

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