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

[Avi Kivity]

H. Peter Anvin wrote:
> > I suspect we could get it down to three bytes, by sharing the last 
> > byte of the four-byte call sequence with the first byte of the next:
> >
> >  66 e8 ff 66 e8 fc 66 e8 f9 66 e8 f6 ...
> >
> > Every three bytes a new stub begins; it's a four-byte call to offset 
> > 0x6703 relative to the beginning of the first stub.
> >
> > Can anyone better 24 bits/stub?
>
> On the entirely silly level...
>
> CC xx

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.

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

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