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Diffstat (limited to 'arch/x86/kvm/cpuid.c')
-rw-r--r--arch/x86/kvm/cpuid.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index b8f8d268d058..afcdd4e693e5 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -715,9 +715,17 @@ static struct kvm_cpuid_entry2 *do_host_cpuid(struct kvm_cpuid_array *array,
entry = &array->entries[array->nent++];
+ memset(entry, 0, sizeof(*entry));
entry->function = function;
entry->index = index;
- entry->flags = 0;
+ switch (function & 0xC0000000) {
+ case 0x40000000:
+ /* Hypervisor leaves are always synthesized by __do_cpuid_func. */
+ return entry;
+
+ default:
+ break;
+ }
cpuid_count(entry->function, entry->index,
&entry->eax, &entry->ebx, &entry->ecx, &entry->edx);