Re: [PATCH v13 0/3] x86, apicv: Add APIC virtualization support

2013-01-29 Thread Gleb Natapov
On Fri, Jan 25, 2013 at 10:18:48AM +0800, Yang Zhang wrote: > From: Yang Zhang > > APIC virtualization is a new feature which can eliminate most of VM exit > when vcpu handle a interrupt: > > APIC register virtualization: > APIC read access doesn't cause APIC-access VM exits. > A

Re: [PATCH v13 0/3] x86, apicv: Add APIC virtualization support

2013-01-28 Thread Marcelo Tosatti
On Fri, Jan 25, 2013 at 10:18:48AM +0800, Yang Zhang wrote: > From: Yang Zhang > > APIC virtualization is a new feature which can eliminate most of VM exit > when vcpu handle a interrupt: > > APIC register virtualization: > APIC read access doesn't cause APIC-access VM exits. > A

[PATCH v13 0/3] x86, apicv: Add APIC virtualization support

2013-01-24 Thread Yang Zhang
From: Yang Zhang APIC virtualization is a new feature which can eliminate most of VM exit when vcpu handle a interrupt: APIC register virtualization: APIC read access doesn't cause APIC-access VM exits. APIC write becomes trap-like. Virtual interrupt delivery: Virtual in