[Qemu-devel] [PATCH 01/29] cpu: Make kvm-stub.o available outside softmmu

["Andreas Färber" <afaerber@suse.de>]

From: Igor Mammedov <imammedo@redhat.com>

It will provide stubs for *-user targets once softmmu-specific calls
are attempted from common CPU code.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 Makefile.target      | 14 +++++++-------
 include/sysemu/kvm.h |  4 ++--
 kvm-stub.c           |  7 ++++++-
 3 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/Makefile.target b/Makefile.target
index 6583b05..ce4391f 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -60,6 +60,12 @@ all: $(PROGS) stap
 # Dummy command so that make thinks it has done something
 	@true
 
+CONFIG_NO_PCI = $(if $(subst n,,$(CONFIG_PCI)),n,y)
+CONFIG_NO_KVM = $(if $(subst n,,$(CONFIG_KVM)),n,y)
+CONFIG_NO_XEN = $(if $(subst n,,$(CONFIG_XEN)),n,y)
+CONFIG_NO_GET_MEMORY_MAPPING = $(if $(subst n,,$(CONFIG_HAVE_GET_MEMORY_MAPPING)),n,y)
+CONFIG_NO_CORE_DUMP = $(if $(subst n,,$(CONFIG_HAVE_CORE_DUMP)),n,y)
+
 #########################################################
 # cpu emulator library
 obj-y = exec.o translate-all.o cpu-exec.o
@@ -70,6 +76,7 @@ obj-y += fpu/softfloat.o
 obj-y += target-$(TARGET_BASE_ARCH)/
 obj-y += disas.o
 obj-$(CONFIG_GDBSTUB_XML) += gdbstub-xml.o
+obj-$(CONFIG_NO_KVM) += kvm-stub.o
 
 #########################################################
 # Linux user emulator target
@@ -98,18 +105,11 @@ endif #CONFIG_BSD_USER
 #########################################################
 # System emulator target
 ifdef CONFIG_SOFTMMU
-CONFIG_NO_PCI = $(if $(subst n,,$(CONFIG_PCI)),n,y)
-CONFIG_NO_KVM = $(if $(subst n,,$(CONFIG_KVM)),n,y)
-CONFIG_NO_XEN = $(if $(subst n,,$(CONFIG_XEN)),n,y)
-CONFIG_NO_GET_MEMORY_MAPPING = $(if $(subst n,,$(CONFIG_HAVE_GET_MEMORY_MAPPING)),n,y)
-CONFIG_NO_CORE_DUMP = $(if $(subst n,,$(CONFIG_HAVE_CORE_DUMP)),n,y)
-
 obj-y += arch_init.o cpus.o monitor.o gdbstub.o balloon.o ioport.o
 obj-y += qtest.o
 obj-y += hw/
 obj-$(CONFIG_FDT) += device_tree.o
 obj-$(CONFIG_KVM) += kvm-all.o
-obj-$(CONFIG_NO_KVM) += kvm-stub.o
 obj-y += memory.o savevm.o cputlb.o
 obj-$(CONFIG_HAVE_GET_MEMORY_MAPPING) += memory_mapping.o
 obj-$(CONFIG_HAVE_CORE_DUMP) += dump.o
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index 75bd7d9..2bc1f6b 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -144,10 +144,10 @@ int kvm_cpu_exec(CPUArchState *env);
 #if !defined(CONFIG_USER_ONLY)
 void *kvm_vmalloc(ram_addr_t size);
 void *kvm_arch_vmalloc(ram_addr_t size);
-void kvm_setup_guest_memory(void *start, size_t size);
+#endif
 
+void kvm_setup_guest_memory(void *start, size_t size);
 void kvm_flush_coalesced_mmio_buffer(void);
-#endif
 
 int kvm_insert_breakpoint(CPUArchState *current_env, target_ulong addr,
                           target_ulong len, int type);
diff --git a/kvm-stub.c b/kvm-stub.c
index 5f52186..b228378 100644
--- a/kvm-stub.c
+++ b/kvm-stub.c
@@ -12,10 +12,13 @@
 
 #include "qemu-common.h"
 #include "hw/hw.h"
-#include "hw/pci/msi.h"
 #include "cpu.h"
 #include "sysemu/kvm.h"
 
+#ifndef CONFIG_USER_ONLY
+#include "hw/pci/msi.h"
+#endif
+
 KVMState *kvm_state;
 bool kvm_kernel_irqchip;
 bool kvm_async_interrupts_allowed;
@@ -111,6 +114,7 @@ int kvm_on_sigbus(int code, void *addr)
     return 1;
 }
 
+#ifndef CONFIG_USER_ONLY
 int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg)
 {
     return -ENOSYS;
@@ -134,3 +138,4 @@ int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, int virq)
 {
     return -ENOSYS;
 }
+#endif
-- 
1.8.1.4