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

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

Dong, Eddie wrote:
> Avi Kivity wrote:
>   
>> [we can try to improve it by using vm86 interrupt redirection
>> which may
>> allow event injection using VT instead of writing to the guest stack].
>>
>>     
> Avi:
> 	I did an investigation to try to find a way if we can deliver
> IRQ to guest real mode using VM_ENTRY_INTR_INFO like what
> is did in protect mode with minimal changes. It looks like we can't
> do that without a VMXassist similar VM86 monitor in guest.
>
>   

Can you explain why a monitor is needed?  I thought of using the VME 
interrupt redirection bitmap, does this approach not work?

> 	I guess this is too big change for us to solve this small
> purpose, right? And it looks like we can still survive with current
> approach :-)
>
>   

Yes, but I rather liked the reduction in code and simplification from 
eliminating the special case for injecting real mode interrupts.

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


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