[Xen-devel] Re: [PATCH 30 of 38] xen: implement io_apic_ops

[Ingo Molnar <mingo@xxxxxxx>]

* 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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