[PATCH] qemu: fix cpuid eax for kvm cpu

["Michael S. Tsirkin" <mst@redhat.com>]

cpuid eax should return the max leaf so that
guests can find out the valid range.
This matches Xen et al.

Tested using -cpu kvm64.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 target-i386/kvm.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index e74a9e4..c097248 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -379,7 +379,7 @@ int kvm_arch_init_vcpu(CPUX86State *env)
     c->function = KVM_CPUID_SIGNATURE;
     if (!hyperv_enabled()) {
         memcpy(signature, "KVMKVMKVM\0\0\0", 12);
-        c->eax = 0;
+        c->eax = KVM_CPUID_FEATURES;
     } else {
         memcpy(signature, "Microsoft Hv", 12);
         c->eax = HYPERV_CPUID_MIN;
-- 
MST