xen/apic: implement io apic read with hypercall

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Implements xen_io_apic_read with hypercall, so it returns proper
IO-APIC information instead of fabricated one.

Fallback to return an emulated IO_APIC values if hypercall fails.

[v2: fallback to return an emulated IO_APIC values if hypercall fails]
Signed-off-by: Lin Ming <mlin@ss.pku.edu.cn>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

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Lin Ming 2012-05-01 00:16:27 +08:00 • committed by Konrad Rzeszutek Wilk

parent 27abd14bd9

commit ab6ec39a19

1 changed files with 13 additions and 0 deletions

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arch/x86/xen/apic.c

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