selftests: move vDSO tests from Documentation/vDSO

Remove vDSO from Makefile to move the to selftests. Update vDSO Makefile
to work under selftests. vDSO will not be run as part of selftests suite
and will not be included in install targets. They can be built separately
for now.

Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
diff --git a/Documentation/Makefile b/Documentation/Makefile
index 8cd6d1a..085b917 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -1,3 +1,3 @@
 subdir-y := accounting auxdisplay blackfin \
 	ia64 laptops mic misc-devices \
-	networking pcmcia timers vDSO watchdog
+	networking pcmcia timers watchdog
diff --git a/Documentation/vDSO/Makefile b/Documentation/vDSO/Makefile
deleted file mode 100644
index b12e987..0000000
--- a/Documentation/vDSO/Makefile
+++ /dev/null
@@ -1,17 +0,0 @@
-ifndef CROSS_COMPILE
-# vdso_test won't build for glibc < 2.16, so disable it
-# hostprogs-y := vdso_test
-hostprogs-$(CONFIG_X86) := vdso_standalone_test_x86
-vdso_standalone_test_x86-objs := vdso_standalone_test_x86.o parse_vdso.o
-vdso_test-objs := parse_vdso.o vdso_test.o
-
-# Tell kbuild to always build the programs
-always := $(hostprogs-y)
-
-HOSTCFLAGS := -I$(objtree)/usr/include -std=gnu99
-HOSTCFLAGS_vdso_standalone_test_x86.o := -fno-asynchronous-unwind-tables -fno-stack-protector
-HOSTLOADLIBES_vdso_standalone_test_x86 := -nostdlib
-ifeq ($(CONFIG_X86_32),y)
-HOSTLOADLIBES_vdso_standalone_test_x86 += -lgcc_s
-endif
-endif
diff --git a/Documentation/vDSO/.gitignore b/tools/testing/selftests/vDSO/.gitignore
similarity index 100%
rename from Documentation/vDSO/.gitignore
rename to tools/testing/selftests/vDSO/.gitignore
diff --git a/tools/testing/selftests/vDSO/Makefile b/tools/testing/selftests/vDSO/Makefile
new file mode 100644
index 0000000..706b68b
--- /dev/null
+++ b/tools/testing/selftests/vDSO/Makefile
@@ -0,0 +1,20 @@
+ifndef CROSS_COMPILE
+CFLAGS := -std=gnu99
+CFLAGS_vdso_standalone_test_x86 := -nostdlib -fno-asynchronous-unwind-tables -fno-stack-protector
+ifeq ($(CONFIG_X86_32),y)
+LDLIBS += -lgcc_s
+endif
+
+TEST_PROGS := vdso_test vdso_standalone_test_x86
+
+all: $(TEST_PROGS)
+vdso_test: parse_vdso.c vdso_test.c
+vdso_standalone_test_x86: vdso_standalone_test_x86.c parse_vdso.c
+	$(CC) $(CFLAGS) $(CFLAGS_vdso_standalone_test_x86) \
+		vdso_standalone_test_x86.c parse_vdso.c \
+		-o vdso_standalone_test_x86
+
+include ../lib.mk
+clean:
+	rm -fr $(TEST_PROGS)
+endif
diff --git a/Documentation/vDSO/parse_vdso.c b/tools/testing/selftests/vDSO/parse_vdso.c
similarity index 100%
rename from Documentation/vDSO/parse_vdso.c
rename to tools/testing/selftests/vDSO/parse_vdso.c
diff --git a/Documentation/vDSO/vdso_standalone_test_x86.c b/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c
similarity index 100%
rename from Documentation/vDSO/vdso_standalone_test_x86.c
rename to tools/testing/selftests/vDSO/vdso_standalone_test_x86.c
diff --git a/Documentation/vDSO/vdso_test.c b/tools/testing/selftests/vDSO/vdso_test.c
similarity index 100%
rename from Documentation/vDSO/vdso_test.c
rename to tools/testing/selftests/vDSO/vdso_test.c