On Wed, 08 May 2024 15:25:01 +0200, Julian Stecklina wrote: > When a vCPU is interrupted by a signal while running a nested guest, > KVM will exit to userspace with L2 state. However, userspace has no > way to know whether it sees L1 or L2 state (besides calling > KVM_GET_STATS_FD, which does not have a stable ABI). > > This causes multiple problems: > > [...] Applied to kvm-x86 misc. Note, the capability got number 237, as 236 was claimed by KVM_CAP_X86_APIC_BUS_CYCLES_NS. The number might also change again, e.g. if a different arch adds a capability and x86 loses the race. Thanks! [1/1] KVM: x86: add KVM_RUN_X86_GUEST_MODE kvm_run flag https://github.com/kvm-x86/linux/commit/85542adb65ec -- https://github.com/kvm-x86/linux/tree/next