Re: [PATCH] KVM: x86: Allow ARAT CPU feature

2015-05-25 Thread Yong Wang
On Mon, May 25, 2015 at 03:24:05PM +0200, Paolo Bonzini wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On 24/05/2015 17:22, Jan Kiszka wrote: From: Jan Kiszka jan.kis...@siemens.com There is no reason to deny this feature to guests. We are emulating the APIC timer, thus

Re: Announcing qboot, a minimal x86 firmware for QEMU

2015-05-21 Thread Yong Wang
On Thu, May 21, 2015 at 03:51:43PM +0200, Paolo Bonzini wrote: On the QEMU side, there is no support yet for persistent memory and the NFIT tables from ACPI 6.0. Once that (and ACPI support) is added, qboot will automatically start using it. We are working on adding NFIT support into

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 yong.y.w...@linux.intel.com 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

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, this

Re: [v3 13/26] KVM: Define a new interface kvm_find_dest_vcpu() for VT-d PI

2014-12-22 Thread Yong Wang
On Mon, Dec 22, 2014 at 12:23:36PM +0100, Paolo Bonzini wrote: On 22/12/2014 12:17, Wu, Feng wrote: Yes, and those need not be accelerated. But what if you set affinity to a single CPU? How do I set affinity to a single CPU if guest configure a lowest priority interrupt? Thanks a

Re: kvm ivy bridge support?

2014-12-04 Thread Yong Wang
On Thu, Dec 04, 2014 at 05:04:18PM +0800, Thomas Lau wrote: Hi, Does KVM support ivy bridge instruction? Can you be more specific? Which ivybridge instructions do you care about? -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message to