kvm: Introduce 'make devices' target

This patch adds a 'make devices' target to Makefile that sets up KVM device if
one does not exist in '/dev/kvm'.

Suggested-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>

diff --git a/tools/kvm/Makefile b/tools/kvm/Makefile
index 6096ac713a6b5f048d01976b4b4628286eda2a73..3073c236db24f281fa74ddefe353f6fd0d4e20d4 100644 (file)
--- a/tools/kvm/Makefile
+++ b/tools/kvm/Makefile
@@ -88,3 +88,12 @@ clean:
        $(Q) rm -f bios/*.o
        $(Q) rm -f $(OBJS) $(PROGRAM)
 .PHONY: clean
+
+KVM_DEV        ?= /dev/kvm
+
+$(KVM_DEV):
+       $(E) "  MKNOD " $@
+       $(Q) mknod $@ char 10 232
+
+devices: $(KVM_DEV)
+.PHONY: devices