freebsd/xen: pcifront: bypass irq routing on guest

sanket hase shase at
Sat Apr 12 04:14:07 UTC 2008


I want to disable irq routing table on guest-OS ( freebsd domU )so that it can
contact host OS to get interrupts.
Can anyone tell me , how irq routing on x86 is done in freebsd.

I want to "bypass/disable" that function or rather replace it with some
of my routine which makes guest os  conatct host os (dom0 )

Can you please tell me where exactly this code/interface resides?


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