Fix: Support 4.x kernel versions in Makefile

[lttng-modules.git] / probes / Makefile

diff --git a/probes/Makefile b/probes/Makefile
index 63ca7ba9828ff201e91d028b274886d943ac387f..081136a2a3dd91686d1f446afa3a848ce5f14640 100644 (file)
--- a/probes/Makefile
+++ b/probes/Makefile
@@ -169,34 +169,46 @@ CFLAGS_lttng-probe-printk.o += -Wframe-larger-than=2200
 endif
 
 obj-m +=  $(shell \
-       if [ \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 6 \) \
+       if [ $(VERSION) -ge 4 \
+               -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 6 \) \
                -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 5 -a $(SUBLEVEL) -ge 2 \) \
                -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 4 -a $(SUBLEVEL) -ge 9 \) \
                -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 0 -a $(SUBLEVEL) -ge 41 \) ] ; then \
                echo "lttng-probe-random.o" ; fi;)
 
 obj-m +=  $(shell \
-       if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 2 ] ; then \
+       if [ $(VERSION) -ge 4 \
+               -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
                echo "lttng-probe-rcu.o" ; fi;)
 
 ifneq ($(CONFIG_REGMAP),)
 obj-m +=  $(shell \
-       if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 2 ] ; then \
+       if [ $(VERSION) -ge 4 \
+               \( -o $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
                echo "lttng-probe-regmap.o" ; fi;)
 endif
 
 ifneq ($(CONFIG_PM_RUNTIME),)
 obj-m +=  $(shell \
-       if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 2 ] ; then \
+       if [ $(VERSION) -ge 4 \
+               -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
                echo "lttng-probe-rpm.o" ; fi;)
 endif
 
 ifneq ($(CONFIG_SUNRPC),)
 obj-m +=  $(shell \
-       if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 4 ] ; then \
+       if [ $(VERSION) -ge 4 \
+               -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
                echo "lttng-probe-sunrpc.o" ; fi;)
 endif
 
+ifneq ($(CONFIG_VIDEO_V4L2),)
+obj-m += $(shell \
+       if [ $(VERSION) -ge 4 \
+               -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 14 \) ] ; then \
+               echo "lttng-probe-v4l2.o" ; fi;)
+endif
+
 obj-m += lttng-probe-workqueue.o
 
 ifneq ($(CONFIG_KALLSYMS_ALL),)
@@ -204,6 +216,8 @@ obj-m +=  $(shell \
        if [ $(VERSION) -ge 3 \
                -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 36 \) ] ; then \
                echo "lttng-probe-writeback.o" ; fi;)
+else
+$(warning CONFIG_KALLSYMS_ALL is disabled, therefore probe "writeback" is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.)
 endif