The CPUID code will call kvm_arch_get_supported_cpuid() and, even though it is undef kvm_enabled() so it never runs for user-mode emulators, sometimes clang will not optimize it out at -O0.
That could be considered a compiler bug, however at -O0 we give it a pass and just add the stubs. Reported-by: Kamil Rytarowski <n...@gmx.com> Tested-by: Kamil Rytarowski <n...@gmx.com> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> --- target/i386/Makefile.objs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/Makefile.objs b/target/i386/Makefile.objs index cb9c265..48e0c28 100644 --- a/target/i386/Makefile.objs +++ b/target/i386/Makefile.objs @@ -3,10 +3,10 @@ obj-$(CONFIG_TCG) += translate.o obj-$(CONFIG_TCG) += bpt_helper.o cc_helper.o excp_helper.o fpu_helper.o obj-$(CONFIG_TCG) += int_helper.o mem_helper.o misc_helper.o mpx_helper.o obj-$(CONFIG_TCG) += seg_helper.o smm_helper.o svm_helper.o +obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o ifeq ($(CONFIG_SOFTMMU),y) obj-y += machine.o arch_memory_mapping.o arch_dump.o monitor.o obj-$(CONFIG_KVM) += kvm.o -obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o obj-$(CONFIG_HYPERV) += hyperv.o obj-$(call lnot,$(CONFIG_HYPERV)) += hyperv-stub.o ifeq ($(CONFIG_WIN32),y) -- 1.8.3.1
