On Wed, 18 Oct 2023 12:36:17 -0700, Sean Christopherson wrote: > Add a sanity check that FLUSHBYASID is available if SEV is supported in > hardware, as SEV (and beyond) guests are bound to a single ASID, i.e. KVM > can't "flush" by assigning a new, fresh ASID to the guest. If FLUSHBYASID > isn't supported for some bizarre reason, KVM would completely fail to do > TLB flushes for SEV+ guests (see pre_svm_run() and pre_sev_run()). > > > [...] Applied to kvm-x86 svm, thanks! [1/1] KVM: SVM: Explicitly require FLUSHBYASID to enable SEV support https://github.com/kvm-x86/linux/commit/770d6aa2e416 -- https://github.com/kvm-x86/linux/tree/next