KVM: ia64: Makefile fix for forcing to re-generate asm-offsets.h

To avoid using stale asm-offsets.h.
Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

arch/ia64/kvm/Makefile

@@ -29,13 +29,18 @@ define cmd_offsets
 	 echo ""; \
 	 echo "#endif" ) > $@
 endef
+
 # We use internal rules to avoid the "is up to date" message from make
-arch/ia64/kvm/asm-offsets.s: arch/ia64/kvm/asm-offsets.c
+arch/ia64/kvm/asm-offsets.s: arch/ia64/kvm/asm-offsets.c \
+			$(wildcard $(srctree)/arch/ia64/include/asm/*.h)\
+			$(wildcard $(srctree)/include/linux/*.h)
 	$(call if_changed_dep,cc_s_c)
 
 $(obj)/$(offsets-file): arch/ia64/kvm/asm-offsets.s
 	$(call cmd,offsets)
 
+FORCE : $(obj)/$(offsets-file)
+
 #
 # Makefile for Kernel-based Virtual Machine module
 #
@@ -53,7 +58,6 @@ endif
 kvm-objs := $(common-objs) kvm-ia64.o kvm_fw.o
 obj-$(CONFIG_KVM) += kvm.o
 
-FORCE : $(obj)/$(offsets-file)
 EXTRA_CFLAGS_vcpu.o += -mfixed-range=f2-f5,f12-f127
 kvm-intel-objs = vmm.o vmm_ivt.o trampoline.o vcpu.o optvfault.o mmio.o \
 	vtlb.o process.o