On Mon, Jun 06, 2016 at 05:16:45PM +0200, Igor Mammedov wrote: > it will allow to drop custom cpu_x86_init() and use > cpu_generic_init() insteadi, reducing cpu_x86_create() > to a simple 3-liner. > > Signed-off-by: Igor Mammedov <imamm...@redhat.com> > Eduardo Habkost <ehabk...@redhat.com>
This triggers an assert when trying to use -cpu host with TCG: # ./x86_64-softmmu/qemu-system-x86_64 -machine accel=tcg -cpu host -nographic qemu-system-x86_64: /root/qemu/target-i386/cpu.c:1558: host_x86_cpu_initfn: Assertion `(kvm_allowed)' failed. Aborted I will squash the following fix in it: diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 3f886a5..dcbfa0b 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -1555,16 +1555,17 @@ static void host_x86_cpu_initfn(Object *obj) CPUX86State *env = &cpu->env; KVMState *s = kvm_state; - assert(kvm_enabled()); - /* We can't fill the features array here because we don't know yet if * "migratable" is true or false. */ cpu->host_features = true; - env->cpuid_level = kvm_arch_get_supported_cpuid(s, 0x0, 0, R_EAX); - env->cpuid_xlevel = kvm_arch_get_supported_cpuid(s, 0x80000000, 0, R_EAX); - env->cpuid_xlevel2 = kvm_arch_get_supported_cpuid(s, 0xC0000000, 0, R_EAX); + /* If KVM is disabled, x86_cpu_realizefn() will report an error later */ + if (kvm_enabled()) { + env->cpuid_level = kvm_arch_get_supported_cpuid(s, 0x0, 0, R_EAX); + env->cpuid_xlevel = kvm_arch_get_supported_cpuid(s, 0x80000000, 0, R_EAX); + env->cpuid_xlevel2 = kvm_arch_get_supported_cpuid(s, 0xC0000000, 0, R_EAX); + } object_property_set_bool(OBJECT(cpu), true, "pmu", &error_abort); } -- Eduardo