[PATCH v2 04/10] um: change machine name for uname output

From: Hajime Tazaki <[email protected]>

This commit tries to display MMU/!MMU mode from the output of uname(2)
so that users can distinguish which mode of UML is running right now.

Signed-off-by: Hajime Tazaki <[email protected]>
[remove / to fix regression with systemd userspace]
Signed-off-by: Johannes Berg <[email protected]>
---
v2: regression fix

---
 arch/um/Makefile | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/um/Makefile b/arch/um/Makefile
index 937639edc295..1f85b73d4abb 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -148,6 +148,12 @@ export CFLAGS_vmlinux := $(LINK-y) $(LINK_WRAPS) $(LD_FLAGS_CMDLINE) $(CC_FLAGS_
 CLEAN_FILES += linux x.i gmon.out
 MRPROPER_FILES += $(HOST_DIR)/include/generated
 
+ifeq ($(CONFIG_MMU),y)
+UTS_MACHINE := "um"
+else
+UTS_MACHINE := "um\(nommu\)"
+endif
+
 archclean:
 	@find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \
 		-o -name '*.gcov' \) -type f -print | xargs rm -f
-- 
2.53.0