Hi Masahiro. > > > +else ifeq ($(words $(ramfs-input)),1) > > > +# If CONFIG_INITRAMFS_SOURCE specifies a single file, and it is suffixed with > > > +# .cpio or .cpio.*, use it directly as an initramfs. > > > +ifneq ($(filter %.cpio,$(ramfs-input)),) > > > +cpio-data := $(ramfs-input) > > > +endif > > > > This part will now work if the file is named foo.cpio.bar. > > $(findstring .cpio, should be used and not $(filter %.cpio > > At least if the comment describes the intended behaviour. > > > The 'foo.cpio.bar' is taken care of > by ifeq ($(words $(subst .cpio.,$(space),$(ramfs-input))),2) Clever, I only now realized how this worked. > > I admit the comment was confusing. > > > I will clarify the comments as follows: > > > > # If CONFIG_INITRAMFS_SOURCE specifies a single file, and it is suffixed with > # .cpio, use it directly as an initramfs. > ifneq ($(filter %.cpio,$(ramfs-input)),) > cpio-data := $(ramfs-input) > endif > > # If CONFIG_INITRAMFS_SOURCE specifies a single file, and it is suffixed with > # .cpio.*, use it directly as an initramfs, and avoid double compression. > ifeq ($(words $(subst .cpio.,$(space),$(ramfs-input))),2) > cpio-data := $(ramfs-input) > compress-y := shipped > endif Looks good. Sam