Re: [PATCH resend v5 6/6] KVM: nVMX: Enable nested posted interrupt processing

2015-03-02 Thread Yong Wang
On Fri, Feb 27, 2015 at 04:56:06PM +0800, Wincy Van wrote: > On Sun, Feb 15, 2015 at 2:27 PM, Yong Wang > wrote: > > > > Wincy, our QA found regressions with this patch that 64bit L2 linux guest > > fails to boot up when running nested kvm on kvm. > > > > Environment: > > > > Host OS

Re: [PATCH resend v5 6/6] KVM: nVMX: Enable nested posted interrupt processing

2015-02-27 Thread Wanpeng Li
Cc Rongrong, On Fri, Feb 27, 2015 at 04:56:06PM +0800, Wincy Van wrote: >On Sun, Feb 15, 2015 at 2:27 PM, Yong Wang wrote: >> >> Wincy, our QA found regressions with this patch that 64bit L2 linux guest >> fails to boot up when running nested kvm on kvm. >> >> Environment: >> >> Host

Re: [PATCH resend v5 6/6] KVM: nVMX: Enable nested posted interrupt processing

2015-02-27 Thread Wincy Van
On Sun, Feb 15, 2015 at 2:27 PM, Yong Wang wrote: > > Wincy, our QA found regressions with this patch that 64bit L2 linux guest > fails to boot up when running nested kvm on kvm. > > Environment: > > Host OS (ia32/ia32e/IA64):ia32e > Guest OS (ia32/ia32e/IA64):ia32e > Guest OS Type (L

Re: [PATCH resend v5 6/6] KVM: nVMX: Enable nested posted interrupt processing

2015-02-15 Thread Wincy Van
On Sun, Feb 15, 2015 at 2:27 PM, Yong Wang wrote: > On Tue, Feb 03, 2015 at 11:58:17PM +0800, Wincy Van wrote: >> If vcpu has a interrupt in vmx non-root mode, we will >> kick that vcpu to inject interrupt timely. With posted >> interrupt processing, the kick intr is not needed, and >> interrupts

Re: [PATCH resend v5 6/6] KVM: nVMX: Enable nested posted interrupt processing

2015-02-14 Thread Yong Wang
On Tue, Feb 03, 2015 at 11:58:17PM +0800, Wincy Van wrote: > If vcpu has a interrupt in vmx non-root mode, we will > kick that vcpu to inject interrupt timely. With posted > interrupt processing, the kick intr is not needed, and > interrupts are fully taken care of by hardware. > > In nested vmx,