diff mbox series

[v14,10/13] um: change machine name for uname output

Message ID 62314a61fd98febda7aafaa746f00eb0b16d1180.1770170302.git.thehajime@gmail.com
State Changes Requested
Headers show
Series nommu UML | expand

Commit Message

Hajime Tazaki Feb. 4, 2026, 2:28 a.m. UTC 
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 <thehajime@gmail.com>
---
 arch/um/Makefile        | 6 ++++++
 arch/um/os-Linux/util.c | 3 ++-
 2 files changed, 8 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/um/Makefile b/arch/um/Makefile
index 5e9bf2a8aa6d..3393e0262888 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -151,6 +151,12 @@  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
diff --git a/arch/um/os-Linux/util.c b/arch/um/os-Linux/util.c
index e3ad71a0d13c..5fb26f5dfcb6 100644
--- a/arch/um/os-Linux/util.c
+++ b/arch/um/os-Linux/util.c
@@ -64,7 +64,8 @@  void setup_machinename(char *machine_out)
 	}
 # endif
 #endif
-	strcpy(machine_out, host.machine);
+	strcat(machine_out, "/");
+	strcat(machine_out, host.machine);
 }
 
 void setup_hostinfo(char *buf, int len)