[Kernel-packages] [Bug 1967894] Re: KVM IPI Virtualization support for SPR
[Expired for linux (Ubuntu) because there has been no activity for 60 days.] ** Changed in: linux (Ubuntu) Status: Incomplete => Expired -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1967894 Title: KVM IPI Virtualization support for SPR Status in linux package in Ubuntu: Expired Bug description: IPI virtualization targets to make the processor emulate the write to APIC registers that would send IPIs in virtualized system. VMX provide new VM-execution control and VMCS field to support IPI virtualization which can eliminate APIC-Write VM-exit. The processor sets the bit corresponding to the vector in target vCPU's PIR and may send a notification (IPI) specified by NDST and NV fields in target vCPU's PID. It is similar to what IOMMU engine does when dealing with posted interrupt from devices. IPI Virtualization is approved in SPR/EGS CCB and it is supposed to be enabled in C-step or later (perhaps D-step). Subject: Re: [PATCH v7 8/8] KVM: VMX: enable IPI virtualization https://lore.kernel.org/kvm/54df6da8-ad68-cc75-48db-d18fc8743...@intel.com/ Target Linux 5.18 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1967894/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1967894] Re: KVM IPI Virtualization support for SPR
** Package changed: kvm (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1967894 Title: KVM IPI Virtualization support for SPR Status in linux package in Ubuntu: New Bug description: IPI virtualization targets to make the processor emulate the write to APIC registers that would send IPIs in virtualized system. VMX provide new VM-execution control and VMCS field to support IPI virtualization which can eliminate APIC-Write VM-exit. The processor sets the bit corresponding to the vector in target vCPU's PIR and may send a notification (IPI) specified by NDST and NV fields in target vCPU's PID. It is similar to what IOMMU engine does when dealing with posted interrupt from devices. IPI Virtualization is approved in SPR/EGS CCB and it is supposed to be enabled in C-step or later (perhaps D-step). Subject: Re: [PATCH v7 8/8] KVM: VMX: enable IPI virtualization https://lore.kernel.org/kvm/54df6da8-ad68-cc75-48db-d18fc8743...@intel.com/ Target Linux 5.18 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1967894/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
