testsuite: port kcmdline test to module-playground

testsuite/populate-modules.sh

@@ -33,6 +33,7 @@ map=(
     ["test-modprobe/oldkernel/lib/modules/3.3.3/kernel/"]="mod-simple.ko"
     ["test-modprobe/oldkernel-force/lib/modules/3.3.3/kernel/"]="mod-simple.ko"
     ["test-modprobe/alias-to-none/lib/modules/4.4.4/kernel/"]="mod-simple.ko"
+    ["test-modprobe/module-param-kcmdline/lib/modules/4.4.4/kernel/"]="mod-simple.ko"
 )
 
 for k in ${!map[@]}; do

testsuite/rootfs-pristine/test-modprobe/module-param-kcmdline/correct.txt

@@ -1 +1 @@
-insmod /lib/modules/4.4.4/kernel/drivers/input/mouse/psmouse.ko foo bar=1 
+insmod /lib/modules/4.4.4/kernel/mod-simple.ko foo bar=1 

testsuite/rootfs-pristine/test-modprobe/module-param-kcmdline/lib/modules/4.4.4/modules.alias

@@ -1,3 +1 @@
 # Aliases extracted from modules themselves.
-alias serio:ty05pr*id*ex* psmouse
-alias serio:ty01pr*id*ex* psmouse

testsuite/rootfs-pristine/test-modprobe/module-param-kcmdline/lib/modules/4.4.4/modules.dep

@@ -1 +1 @@
-kernel/drivers/input/mouse/psmouse.ko:
+kernel/mod-simple.ko:

testsuite/rootfs-pristine/test-modprobe/module-param-kcmdline/lib/modules/4.4.4/modules.softdep

@@ -1,2 +1 @@
 # Soft dependencies extracted from modules themselves.
-# Copy, with a .conf extension, to /etc/modprobe.d to use it with modprobe.

testsuite/rootfs-pristine/test-modprobe/module-param-kcmdline/proc/cmdline

@@ -1 +1 @@
-initrd=\initramfs-linux.img psmouse.foo psmouse.bar=1 root=/dev/sda2 rootfstype=ext4 add_efi_memmap quiet rw
+initrd=\initramfs-linux.img mod_simple.foo mod_simple.bar=1 root=/dev/sda2 rootfstype=ext4 add_efi_memmap quiet rw

testsuite/test-modprobe.c

@@ -167,7 +167,7 @@ static noreturn int modprobe_param_kcmdline(const struct test *t)
 	const char *progname = ABS_TOP_BUILDDIR "/tools/modprobe";
 	const char *const args[] = {
 		progname,
-		"--show-depends", "psmouse",
+		"--show-depends", "mod-simple",
 		NULL,
 	};