Re: [PATCH] VMX: inject high priority interrupts first

Avi Kivity
2007-12-13T16:29:35Z

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Dong, Eddie wrote:
> This is not necessary, vector doesn;t mean priority.
>
> Remember I ever had a talk with Avi that user level irqchip could only support
> one vector pending in kernel like you mentioned too. On the other hand,
> if we have multiple pending vectors, we will lose priority. The point here
> is that vector doesn;t stand for priority for example slave PIC has higher priority
> than IRQ3-7 of master PIC. Using ffs or fls doesn;t matter here.
>
>

Yes.

> But I think we'd better clean the code to just use pending_vector instead
> of bitmap to reduce those kind of unnecessary bit scan/set/clear etc.
>

That's my plan; use a pending vector and put it in subarch independent code.

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

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