Re: [PATCH RFC] kvm: enable irq injection from interrupt context

[Avi Kivity]

 On 09/19/2010 12:55 PM, Michael S. Tsirkin wrote:
> On Sun, Sep 19, 2010 at 12:56:12PM +0200, Avi Kivity wrote:
> >   On 09/19/2010 12:45 PM, Michael S. Tsirkin wrote:
> >  >On Fri, Sep 17, 2010 at 09:59:29AM +0200, Gleb Natapov wrote:
> >  >>   >   writing 0 to eventfd does nothing. The way to deassert irq
> >  >>   That is implementation detail of current irqfd. It was designed for MSI
> >  >>   not level triggered interrupts.
> >  >
> >  >Maybe we should add a check that gsi is mapped to MSI (or unmapped) then?
> >  >Level which switches to 1 and back to 0 immediately will be racy anyway
> >  >...
> >  >
> >
> >  Add a check where?
>
> I would make sure that if you bind irqfd to a non-MSI GSI,
> signalling it has no effect.

Certainly.  We should also update the documentation, when we have irqfd 
documentation.

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

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