Sheng Yang wrote:
I think that means the PV interface for lapic. And yes, we can support it follow MS's interface, but x2apic still seems another story as you noted... I still don't think support x2apic here would bring us more benefits.

x2apic has the following benefit:

- msr exits are faster than mmio (no page table walk, emulation)
- no need to read back ICR to look at the busy bit
- one ICR write instead of two
- potential to support large guests once we add interrupt remapping
- shared code with the Hyper-V paravirt interface

--
error compiling committee.c: too many arguments to function

--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to