Re: FW: [kvm-commits] KVM: Move interrupt injection out of interruptdisabled section

[Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>]

Dong, Eddie wrote:
>> I didn't see anything in 20.8.3 regarding injection of software
>> interrupts to vm86 mode.  And other sections in the manual (22.5.1)
>> imply that it is possible. 
>>
>> Maybe it's failing on something else?  VM-entry instruction length?  I
>> see that it must be in the range 1-15.
>>
>>     
> It is VM instruction failure with error # 7, which means bad VM control.
> Also one difference for software interrupt is that HW will adjust guest 
> IP automatically. 
>   

So you could set instruction length to 1 and adjust rip backwards by 1 :)

Though you may need to remember the adjustment and undo it if you get a 
page fault on the IVT.


-- 
error compiling committee.c: too many arguments to function


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