On Sat, Oct 13, 2012 at 10:32:13PM -0400, Sasha Levin wrote:
> On 10/13/2012 06:29 PM, Chegu Vinod wrote:
> > Hello,
> >
> > Wanted to get a clarification about KVM_MAX_VCPUS(currently set to 254)
> > in kvm_host.h file. The kvm_vcpu *vcpus array is sized based on
> > KVM_MAX_VCPUS.
> > (i.e. a max of 254 elements in the array).
> >
> > An 8bit APIC id should allow for 256 ID's. Reserving one for Broadcast
> > should
> > leave 255 ID's. Is there one more ID reserved for some other purpose ?
> > (hence
> > leading to KVM_MAX_VCPUS being set to 254 and not 255).
>
> Another ID goes to the IO-APIC.
>
This is not really needed on KVM. We can enlarge KVM_MAX_VCPUS to 255.
--
Gleb.
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
