* x2APIC and number of the vcpu
@ 2015-08-14 23:03 Ozgur O Kilic
2015-08-15 0:32 ` Paolo Bonzini
0 siblings, 1 reply; 2+ messages in thread
From: Ozgur O Kilic @ 2015-08-14 23:03 UTC (permalink / raw)
To: kvm
Hello,
I am making some research abut the x2APIC and number of max vcpus.
According to Intel if we use APIC we can only have 2^8 vcpu and if we
use x2APIC it allows 2^10 vcpu because it has 32 bit address space
for APIC_ID. My question is: is it possible theoretically or any one
tried it? and if it is I cheched my pc's hardware is support x2APIC
whıch version of KVM should I use for that?
Thank You
Ozgur Ozan Kilic
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: x2APIC and number of the vcpu
2015-08-14 23:03 x2APIC and number of the vcpu Ozgur O Kilic
@ 2015-08-15 0:32 ` Paolo Bonzini
0 siblings, 0 replies; 2+ messages in thread
From: Paolo Bonzini @ 2015-08-15 0:32 UTC (permalink / raw)
To: Ozgur O Kilic, kvm
On 15/08/2015 01:03, Ozgur O Kilic wrote:
> My question is: is it possible theoretically or any one
> tried it? and if it is I cheched my pc's hardware is support x2APIC
> whıch version of KVM should I use for that?
KVM doesn't support more than 256 VCPUs, even with x2APIC enabled in the
guest.
Paolo
^ permalink raw reply [flat|nested] 2+ messages in thread
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2015-08-14 23:03 x2APIC and number of the vcpu Ozgur O Kilic
2015-08-15 0:32 ` Paolo Bonzini
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