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hv: vcpuid: disable some features in cpuid

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We didn't emualte them well, so just disable them.
Here are PMU CPUID.0A, Intel RDT CPUID.0F and CPUID.10, Intel SGX CPUID.12,
Intel Processor Trace CPUID.14

Signed-off-by: Li, Fei1 <fei1.li@intel.com>
This commit is contained in:
Li, Fei1
2018-08-22 13:43:39 +08:00
committed by lijinxia
parent 42aaf5d46f
commit b75a7df415
1 changed files with 11 additions and 7 deletions
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18
hypervisor/arch/x86/cpuid.c
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@@ -112,13 +112,6 @@ static void init_vcpuid_entry(__unused struct vm *vm,
}
break;
case 0x0aU:
/* not support pmu */
entry->eax = 0U;
entry->ebx = 0U;
entry->ecx = 0U;
entry->edx = 0U;
break;
case 0x16U:
if (boot_cpu_data.cpuid_level >= 0x16U) {
/* call the cpuid when 0x16 is supported */
@@ -252,6 +245,17 @@ int set_vcpuid_entries(struct vm *vm)
}
break;
/* These features are disabled */
/* PMU is not supported */
case 0x0aU:
/* Intel RDT */
case 0x0fU:
case 0x10U:
/* Intel SGX */
case 0x12U:
/* Intel Processor Trace */
case 0x14U:
break;
default:
init_vcpuid_entry(vm, i, 0U, 0U, &entry);
result = set_vcpuid_entry(vm, &entry);