On Tue, 13 Dec 2022 06:09:05 +0000, Sean Christopherson wrote: > Move NMI VM-Exit handling into vmx_vcpu_enter_exit() to fix a (mostly > benign?) bug where NMIs can be unblocked prior to servicing the NMI that > triggered the VM-Exit, e.g. if instrumentation triggers a fault and thus > an IRET. I deliberately didn't tag any of these for stable@ as the odds > of me screwing something up or of a backport going sideways seems higher > than out-of-order NMIs causing major problems. > > [...] Applied to kvm-x86 vmx, thanks! [1/7] KVM: x86: Make vmx_get_exit_qual() and vmx_get_intr_info() noinstr-friendly https://github.com/kvm-x86/linux/commit/fc9465be8aad [2/7] KVM: VMX: Allow VM-Fail path of VMREAD helper to be instrumented https://github.com/kvm-x86/linux/commit/8578f59657c5 [3/7] KVM: VMX: Always inline eVMCS read/write helpers https://github.com/kvm-x86/linux/commit/11633f69506d [4/7] KVM: VMX: Always inline to_vmx() and to_kvm_vmx() https://github.com/kvm-x86/linux/commit/432727f1cb6e [5/7] x86/entry: KVM: Use dedicated VMX NMI entry for 32-bit kernels too https://github.com/kvm-x86/linux/commit/54a3b70a75dc [6/7] KVM: VMX: Provide separate subroutines for invoking NMI vs. IRQ handlers https://github.com/kvm-x86/linux/commit/4f76e86f7e0d [7/7] KVM: VMX: Handle NMI VM-Exits in noinstr region https://github.com/kvm-x86/linux/commit/11df586d774f -- https://github.com/kvm-x86/linux/tree/next https://github.com/kvm-x86/linux/tree/fixes