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Diffstat (limited to 'docs/hyperv.txt')
| -rw-r--r-- | docs/hyperv.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/docs/hyperv.txt b/docs/hyperv.txt index 4b132b1c94..14a7f449ea 100644 --- a/docs/hyperv.txt +++ b/docs/hyperv.txt @@ -262,6 +262,17 @@ Allow for extended GVA ranges to be passed to Hyper-V TLB flush hypercalls Requires: hv-tlbflush +3.25. hv-tlbflush-direct +========================= +The enlightenment is nested specific, it targets Hyper-V on KVM guests. When +enabled, it allows L0 (KVM) to directly handle TLB flush hypercalls from L2 +guest without the need to exit to L1 (Hyper-V) hypervisor. While the feature is +supported for both VMX (Intel) and SVM (AMD), the VMX implementation requires +Enlightened VMCS ('hv-evmcs') feature to also be enabled. + +Requires: hv-vapic +Recommended: hv-evmcs (Intel) + 4. Supplementary features ========================= |