[Lguest] [PATCH RFC/RFB] x86_64, i386: interrupt dispatch changes

Avi Kivity avi at redhat.com
Thu Nov 27 21:59:29 EST 2008


Andi Kleen wrote:
>> Nice.  Can actually go to zero, by pointing the IDT at (unmapped_area + 
>> vector), and deducing the vector in the page fault handler from cr2.
>>     
>
> That would be still one byte, otherwise you wouldn't get a unique index.
>   

One virtual byte; zero physical bytes.  unmapped_area above need not be 
mapped.

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




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