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Diffstat (limited to 'docs/hyperv.txt')
| -rw-r--r-- | docs/hyperv.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/hyperv.txt b/docs/hyperv.txt index 5d85569b99..af1b10c0b3 100644 --- a/docs/hyperv.txt +++ b/docs/hyperv.txt @@ -249,6 +249,12 @@ Enlightened VMCS ('hv-evmcs') feature to also be enabled. Recommended: hv-evmcs (Intel) +3.23. hv-xmm-input +=================== +Hyper-V specification allows to pass parameters for certain hypercalls using XMM +registers ("XMM Fast Hypercall Input"). When the feature is in use, it allows +for faster hypercalls processing as KVM can avoid reading guest's memory. + 4. Supplementary features ========================= |