>From http://lkml.indiana.edu/hypermail/linux/kernel/1205.0/00100.html EAX should be KVM_CPUID_FEATURES (0x40000001) not 0. Added hypervisor-vendor=kvm0 to get the older CPUID result. kvm1 selects the newer one. Signed-off-by: Don Slutz <Don@xxxxxxxxxxxxxxx> --- target-i386/cpu.c | 17 +++++++++++++---- 1 files changed, 13 insertions(+), 4 deletions(-) diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 72a8442..e51b2b1 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -1250,9 +1250,12 @@ static char *x86_cpuid_get_hv_vendor(Object *obj, Error **errp) } else if (!strcmp(value, CPUID_HV_VENDOR_XEN) && env->cpuid_hv_level == CPUID_HV_LEVEL_XEN) { pstrcpy(value, sizeof(value), "xen"); - } else if (!strcmp(value, CPUID_HV_VENDOR_KVM) && - env->cpuid_hv_level == 0) { - pstrcpy(value, sizeof(value), "kvm"); + } else if (!strcmp(value, CPUID_HV_VENDOR_KVM)) { + if (env->cpuid_hv_level == CPUID_HV_LEVEL_KVM) { + pstrcpy(value, sizeof(value), "kvm1"); + } else if (env->cpuid_hv_level == 0) { + pstrcpy(value, sizeof(value), "kvm0"); + } } return value; } @@ -1288,7 +1291,13 @@ static void x86_cpuid_set_hv_vendor(Object *obj, const char *value, env->cpuid_hv_level = CPUID_HV_LEVEL_XEN; } pstrcpy(adj_value, sizeof(adj_value), CPUID_HV_VENDOR_XEN); - } else if (!strcmp(value, "kvm")) { + } else if (!strcmp(value, "kvm") || !strcmp(value, "kvm1")) { + if (env->cpuid_hv_level == 0) { + env->cpuid_hv_level = CPUID_HV_LEVEL_KVM; + } + pstrcpy(adj_value, sizeof(adj_value), CPUID_HV_VENDOR_KVM); + } else if (!strcmp(value, "kvm0")) { + env->cpuid_hv_level = 0; pstrcpy(adj_value, sizeof(adj_value), CPUID_HV_VENDOR_KVM); } else { pstrcpy(adj_value, sizeof(adj_value), value); -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html