Messages in this thread Patch in this message | | | From | Vitaly Kuznetsov <> | Subject | [PATCH v2 1/7] KVM: x86: hyper-v: Mention SynDBG CPUID leaves in api.rst | Date | Thu, 24 Sep 2020 16:57:51 +0200 |
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We forgot to update KVM_GET_SUPPORTED_HV_CPUID's documentation in api.rst when SynDBG leaves were added.
While on it, fix 'KVM_GET_SUPPORTED_CPUID' copy-paste error.
Fixes: f97f5a56f597 ("x86/kvm/hyper-v: Add support for synthetic debugger interface") Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> --- Documentation/virt/kvm/api.rst | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index d2b733dc7892..f0e9582c6b44 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -4498,11 +4498,14 @@ Currently, the following list of CPUID leaves are returned: - HYPERV_CPUID_ENLIGHTMENT_INFO - HYPERV_CPUID_IMPLEMENT_LIMITS - HYPERV_CPUID_NESTED_FEATURES + - HYPERV_CPUID_SYNDBG_VENDOR_AND_MAX_FUNCTIONS + - HYPERV_CPUID_SYNDBG_INTERFACE + - HYPERV_CPUID_SYNDBG_PLATFORM_CAPABILITIES HYPERV_CPUID_NESTED_FEATURES leaf is only exposed when Enlightened VMCS was enabled on the corresponding vCPU (KVM_CAP_HYPERV_ENLIGHTENED_VMCS). -Userspace invokes KVM_GET_SUPPORTED_CPUID by passing a kvm_cpuid2 structure +Userspace invokes KVM_GET_SUPPORTED_HV_CPUID by passing a kvm_cpuid2 structure with the 'nent' field indicating the number of entries in the variable-size array 'entries'. If the number of entries is too low to describe all Hyper-V feature leaves, an error (E2BIG) is returned. If the number is more or equal -- 2.25.4
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