The problem you're having is essentially the same as the user-level
interrupt handler problem I've been dealing with for ages.
The basic rule is: don't share interrupts between devices on the host
and devices in the guest. But you *can* share interrupts between
devices in a single guest.
If you
On Wed, Jul 18, 2007 at 12:53:19PM +0300, Or Sagi wrote:
> Gentlepeople,
>
> We're currently working on PCI device pass-through support for KVM. In this
> model all physical hardware access to specific devices will be performed by
> the VM, and not by the host.
>
> In particular, this requires in
> In particular, this requires interrupt handling to be done by the guest --
> The host shouldn't load the corresponding device driver or otherwise access
> the device. Since the host kernel is not aware of the device semantics it
> cannot acknowledge the interrupt at the device level.
Tricky inde
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