kvm/x86/cpuid.rst

1 .. SPDX-License-Identifier: GPL-2.0
9 A guest running on a kvm host, can check some of its features using
11 mask-out some, or even all KVM-related cpuid features before launching
12 a guest.
65 KVM_FEATURE_PV_UNHALT              7           guest checks this feature bit
69 KVM_FEATURE_PV_TLB_FLUSH           9           guest checks this feature bit
77 KVM_FEATURE_PV_SEND_IPI            11          guest checks this feature bit
81 KVM_FEATURE_POLL_CONTROL           12          host-side polling on HLT can
85 KVM_FEATURE_PV_SCHED_YIELD         13          guest checks this feature bit
89 KVM_FEATURE_ASYNC_PF_INT           14          guest checks this feature bit
95 KVM_FEATURE_MSI_EXT_DEST_ID        15          guest checks this feature bit
97                                                ID bits in MSI address bits 11-5.
99 KVM_FEATURE_HC_MAP_GPA_RANGE       16          guest checks this feature bit before
103 KVM_FEATURE_MIGRATION_CONTROL      17          guest checks this feature bit before
106 KVM_FEATURE_CLOCKSOURCE_STABLE_BIT 24          host will warn if no guest-side
107                                                per-cpu warps are expected in
120 KVM_HINTS_REALTIME 0            guest checks this feature bit to