Messages in this thread | | | Date | Thu, 16 Sep 2010 11:53:10 +0200 | From | "Michael S. Tsirkin" <> | Subject | Re: [PATCH RFC] kvm: enable irq injection from interrupt context |
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On Thu, Sep 16, 2010 at 11:46:03AM +0200, Avi Kivity wrote: > On 09/16/2010 11:25 AM, Gleb Natapov wrote: > >> > >> MSI only appeared in rhel6, older guests still use level interrupts. > >So they are already slow for other reasons. > > > > Exactly, for example they need to exit to userspace to ack the > interrupt. That's far slower than the workqueue.
Well, this is not exactly comparable: you might get same irq asserted multiple times and only deasserted once.
> -- > error compiling committee.c: too many arguments to function
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