Hi. I get this build error with next-20150813 compiling with GCC 4.4.7. CC arch/x86/kvm/irq_comm.o In file included from include/linux/jump_label.h:108, from ./arch/x86/include/asm/spinlock.h:4, from include/linux/spinlock.h:87, from include/linux/seqlock.h:35, from include/linux/time.h:5, from include/linux/ktime.h:24, from include/linux/timer.h:5, from include/linux/workqueue.h:8, from include/linux/pm.h:25, from ./arch/x86/include/asm/apic.h:5, from ./arch/x86/include/asm/smp.h:12, from include/linux/smp.h:59, from include/linux/percpu.h:6, from include/linux/context_tracking_state.h:4, from include/linux/vtime.h:4, from include/linux/hardirq.h:7, from include/linux/kvm_host.h:10, from arch/x86/kvm/irq_comm.c:23: ./arch/x86/include/asm/jump_label.h: In function ‘kvm_irq_delivery_to_apic’: ./arch/x86/include/asm/jump_label.h:21: warning: asm operand 0 probably doesn’t match constraints ./arch/x86/include/asm/jump_label.h:21: warning: asm operand 0 probably doesn’t match constraints ./arch/x86/include/asm/jump_label.h:21: error: impossible constraint in ‘asm’ ./arch/x86/include/asm/jump_label.h:21: error: impossible constraint in ‘asm’ Cheers, Vinson -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html