noticed these hen building with C=1: arch/x86/kvm/x86.c:2669:38: warning: incorrect type in argument 1 (different address spaces) arch/x86/kvm/x86.c:2669:38: expected void const [noderef] __user * arch/x86/kvm/x86.c:2669:38: got unsigned char [usertype] * arch/x86/kvm/x86.c:7636:15: error: incompatible types in comparison expression (different address spaces): arch/x86/kvm/x86.c:7636:15: struct kvm_apic_map [noderef] __rcu * arch/x86/kvm/x86.c:7636:15: struct kvm_apic_map * arch/x86/kvm/x86.c:10010:16: error: incompatible types in comparison expression (different address spaces): arch/x86/kvm/x86.c:10010:16: struct kvm_apic_map [noderef] __rcu * arch/x86/kvm/x86.c:10010:16: struct kvm_apic_map * arch/x86/kvm/x86.c:10011:15: error: incompatible types in comparison expression (different address spaces): arch/x86/kvm/x86.c:10011:15: struct kvm_pmu_event_filter [noderef] __rcu * arch/x86/kvm/x86.c:10011:15: struct kvm_pmu_event_filter * arch/x86/kvm/x86.c: note: in included file (through include/linux/notifier.h, arch/x86/include/asm/uprobes.h, include/linux/uprobes.h, include/linux/mm_types.h, include/asm-generic/fixmap.h, arch/x86/include/asm/fixmap.h, ...): ./include/linux/srcu.h:179:9: warning: context imbalance in 'vcpu_enter_guest' - unexpected unlock HTH, -- MST
