On Wed, Apr 27, 2011 at 11:20:29AM +0300, Avi Kivity wrote:
> On 04/27/2011 10:53 AM, Pekka Enberg wrote:
> >On Wed, Apr 27, 2011 at 10:37 AM, Avi Kivity<[email protected]> wrote:
> >> KVM_SET_GSI_ROUTING - manipulate the routes between irq lines and the
> >> IOAPIC
> >> and PIC; also maintain virtual routes for message signalled interrupts
> >> (MSI)
> >
> >Is this mandatory to set up manually for lapic to work or does KVM set
> >these up automatically (like it does for most ioctls) to something
> >sane?
>
> The defaults are all sane (including the APIC ID).
>
But IIRC the only way to reset BSP lapic to its initial state is to call
KVM_SET_LAPIC with buffer filled with initial values. The same is true
for non-BSP lapics too if they are reset by machine reset (as opposite
to by INIT message).
--
Gleb.
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