[PATCH v8 3/3] x86, apicv: add virtual x2apic support

2013-01-06 Thread Yang Zhang
From: Yang Zhang basically to benefit from apicv, we need clear MSR bitmap for corresponding x2apic MSRs when guest enabled x2apic: 0x800 - 0x8ff: no read intercept for apicv register virtualization TPR,EOI,SELF-IPI: no write intercept for virtual interrupt delivery Signed-off-by: Yang Z

Re: [PATCH v8 3/3] x86, apicv: add virtual x2apic support

2013-01-06 Thread Gleb Natapov
On Mon, Jan 07, 2013 at 10:02:37AM +0800, Yang Zhang wrote: > From: Yang Zhang > > basically to benefit from apicv, we need clear MSR bitmap for > corresponding x2apic MSRs when guest enabled x2apic: > 0x800 - 0x8ff: no read intercept for apicv register virtualization > TPR,EOI,SELF-IPI:

RE: [PATCH v8 3/3] x86, apicv: add virtual x2apic support

2013-01-06 Thread Zhang, Yang Z
Gleb Natapov wrote on 2013-01-07: > On Mon, Jan 07, 2013 at 10:02:37AM +0800, Yang Zhang wrote: >> From: Yang Zhang >> >> basically to benefit from apicv, we need clear MSR bitmap for >> corresponding x2apic MSRs when guest enabled x2apic: >> 0x800 - 0x8ff: no read intercept for apicv registe

Re: [PATCH v8 3/3] x86, apicv: add virtual x2apic support

2013-01-06 Thread Gleb Natapov
On Mon, Jan 07, 2013 at 06:58:15AM +, Zhang, Yang Z wrote: > Gleb Natapov wrote on 2013-01-07: > > On Mon, Jan 07, 2013 at 10:02:37AM +0800, Yang Zhang wrote: > >> From: Yang Zhang > >> > >> basically to benefit from apicv, we need clear MSR bitmap for > >> corresponding x2apic MSRs when gues