ifneq ($(CONFIG_KVM),)
obj-$(CONFIG_LTTNG) += lttng-probe-kvm.o
ifneq ($(CONFIG_X86),)
- kvm_dep_lapic = $(srctree)/arch/x86/kvm/lapic.h
- kvm_dep_lapic_check = $(wildcard $(kvm_dep_lapic))
- ifneq ($(kvm_dep_lapic_check),)
- # search for iodev.h in any of its known locations
- kvm_dep_iodev = $(srctree)/virt/kvm/iodev.h $(srctree)/include/kvm/iodev.h
- kvm_dep_iodev_check = $(wildcard $(kvm_dep_iodev))
- ifneq ($(kvm_dep_iodev_check),)
- kvm_dep_emulate = $(srctree)/arch/x86/kvm/kvm_emulate.h
- kvm_dep_emulate_wildcard = $(wildcard $(kvm_dep_emulate))
- kvm_dep_emulate_check = $(shell \
- if [ \( $(VERSION) -ge 6 \
- -o \( $(VERSION) -eq 5 -a $(PATCHLEVEL) -eq 7 \) \) -a \
- -z "$(kvm_dep_emulate_wildcard)" ] ; then \
- echo "warn" ; \
- else \
- echo "ok" ; \
- fi ;)
- ifeq ($(kvm_dep_emulate_check),ok)
- CFLAGS_lttng-probe-kvm-x86.o += -I$(srctree)/virt/kvm \
- -I$(srctree)/arch/x86/kvm
- CFLAGS_lttng-probe-kvm-x86-mmu.o += -I$(srctree)/virt/kvm
- obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86.o
- obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86-mmu.o
- else # ($(kvm_dep_emulate_check),ok)
- $(warning File $(kvm_dep_emulate) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
- endif # ($(kvm_dep_emulate_check),ok)
- else # $(kvm_dep_iodev_check)
- $(warning File $(kvm_dep_iodev) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
- endif # $(kvm_dep_iodev_check)
- else # $(kvm_dep_lapic_check)
- $(warning File $(kvm_dep_lapic) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
- endif # $(kvm_dep_lapic_check)
+ ifneq ($(CONFIG_KALLSYMS_ALL),)
+ kvm_dep_lapic = $(srctree)/arch/x86/kvm/lapic.h
+ kvm_dep_lapic_check = $(wildcard $(kvm_dep_lapic))
+ ifneq ($(kvm_dep_lapic_check),)
+ # search for iodev.h in any of its known locations
+ kvm_dep_iodev = $(srctree)/virt/kvm/iodev.h $(srctree)/include/kvm/iodev.h
+ kvm_dep_iodev_check = $(wildcard $(kvm_dep_iodev))
+ ifneq ($(kvm_dep_iodev_check),)
+ kvm_dep_emulate = $(srctree)/arch/x86/kvm/kvm_emulate.h
+ kvm_dep_emulate_wildcard = $(wildcard $(kvm_dep_emulate))
+ kvm_dep_emulate_check = $(shell \
+ if [ \( $(VERSION) -ge 6 \
+ -o \( $(VERSION) -eq 5 -a $(PATCHLEVEL) -eq 7 \) \) -a \
+ -z "$(kvm_dep_emulate_wildcard)" ] ; then \
+ echo "warn" ; \
+ else \
+ echo "ok" ; \
+ fi ;)
+ ifeq ($(kvm_dep_emulate_check),ok)
+ CFLAGS_lttng-probe-kvm-x86.o += -I$(srctree)/virt/kvm \
+ -I$(srctree)/arch/x86/kvm
+ CFLAGS_lttng-probe-kvm-x86-mmu.o += -I$(srctree)/virt/kvm
+ obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86.o
+ obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86-mmu.o
+ else # ($(kvm_dep_emulate_check),ok)
+ $(warning File $(kvm_dep_emulate) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
+ endif # ($(kvm_dep_emulate_check),ok)
+ else # $(kvm_dep_iodev_check)
+ $(warning File $(kvm_dep_iodev) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
+ endif # $(kvm_dep_iodev_check)
+ else # $(kvm_dep_lapic_check)
+ $(warning File $(kvm_dep_lapic) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
+ endif # $(kvm_dep_lapic_check)
+ else
+ $(warning CONFIG_KALLSYMS_ALL is disabled. Probe "kvm" x86-specific is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.)
+ endif # CONFIG_KALLSYMS_ALL
endif # CONFIG_X86
endif # CONFIG_KVM