Re: [PATCH 30 of 38] xen: implement io_apic_ops

From: Ingo Molnar
Date: Thu Nov 20 2008 - 04:35:35 EST



* Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:

> Writes to the IO APIC are paravirtualized via hypercalls, so implement
> the appropriate operations.
>
> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
> ---
> arch/x86/xen/Makefile | 3 +-
> arch/x86/xen/apic.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++
> arch/x86/xen/enlighten.c | 2 +
> arch/x86/xen/xen-ops.h | 2 +
> 4 files changed, 72 insertions(+), 1 deletion(-)

hm, why is the ioapic used as the API here, and not an irqchip?

Ingo
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