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[Xen-devel] IO_APIC in para-guest
| To: | "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>, "Alexander Wilms" <alex.wilms@xxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] IO_APIC in para-guest |
| From: | "Dong, Eddie" <eddie.dong@xxxxxxxxx> |
| Date: | Wed, 8 Mar 2006 21:51:22 +0800 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Wed, 08 Mar 2006 13:52:22 +0000 |
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| Thread-index: | AcZCncLbTDWAnriUQaa+aL/Ev1x3xQAGNQjw |
| Thread-topic: | IO_APIC in para-guest |
Keir:
When thinking more about IO_APIC virtualization in Itanium,
I got a confuse: How is io_apic.c used in xenlinux (X86)?
It looks like all the machine resource of io_apic is handled in
xen (xen/arch/x86/irq.c), and the PIRQ based on event channel
can be handled by pirq_type in linux/arch/xen/kernel/evtchn.c
pretty well? Then what is the function of file io_apic.c?
thx,eddie
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