Re: [PATCH] Add I/O hypercalls for i386 paravirt

Avi Kivity
2007-08-22T12:32:35Z

Andi Kleen wrote:
>> Ah. But that's mostly modules, so real in-core changes should be very
>>
>
> Yes that's the big difference. Near all paravirt ops are concentrated
> on the core kernel, but this one affects lots of people.
>
> And why "but"? -- modules are as important as the core kernel. They're
> not second citizens.
>

It's not being second class; simply few modules are loaded at runtime,
so most of the code impact is on disk. The in-code impact is small. If
paravirt i/o insns are worthwhile, I don't think code size is an issue.

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