Re: [Xen-devel] PV drivers for HVM guest

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 27/4/07 20:12, "Ky Srinivasan" <ksrinivasan@xxxxxxxxxx> wrote:

> In platform_pci.c we register the IRQ that the hypervisor should use to notify
> the guest in response to event channel notifications.  In cases where the
> mapping between irq and vectors are not one to one, I am not sure how this can
> work. For instance, on a  RHEL 4 installation (with acpi turned on)  I am
> looking at, the irq assigned to the platform-pci device is 185! Consequently
> the set_callback_irq() fails since the number passed down exceeds the number
> of pins being emulated. Any insight will be greatly appreciated.

3.0.5-rc doesn't have this problem. We pass down the PCI device address and
let Xen work it out from that.

 --- Keir



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