On 04/17/14 07:11, Peter Foley wrote: > Change the Documentation makefiles from obj-m to subdir-y > to avoid generating unnecessary built-in.o files since nothing > in Documentation/ is ever linked in to vmlinux. > > Signed-off-by: Peter Foley <pefoley2@xxxxxxxxxxx> Hi Michal, Does this look good to you? I don't have enough makefile fu (or is it foo?) to judge this. Thanks. > --- > Documentation/Makefile | 6 +++--- > Documentation/accounting/Makefile | 3 --- > Documentation/auxdisplay/Makefile | 3 --- > Documentation/filesystems/Makefile | 3 --- > Documentation/ia64/Makefile | 3 --- > Documentation/laptops/Makefile | 3 --- > Documentation/misc-devices/Makefile | 1 + > Documentation/misc-devices/mei/Makefile | 3 --- > Documentation/networking/Makefile | 8 +------- > Documentation/networking/timestamping/Makefile | 3 --- > Documentation/pcmcia/Makefile | 3 --- > Documentation/spi/Makefile | 3 --- > Documentation/timers/Makefile | 3 --- > Documentation/watchdog/Makefile | 1 + > Documentation/watchdog/src/Makefile | 3 --- > 15 files changed, 6 insertions(+), 43 deletions(-) > create mode 100644 Documentation/misc-devices/Makefile > create mode 100644 Documentation/watchdog/Makefile > > diff --git a/Documentation/Makefile b/Documentation/Makefile > index 31d302b..605f84f 100644 > --- a/Documentation/Makefile > +++ b/Documentation/Makefile > @@ -1,3 +1,3 @@ > -obj-m := DocBook/ accounting/ auxdisplay/ connector/ \ > - filesystems/ filesystems/configfs/ ia64/ laptops/ networking/ \ > - pcmcia/ spi/ timers/ watchdog/src/ misc-devices/mei/ > +subdir-y := DocBook accounting auxdisplay connector \ > + filesystems filesystems ia64 laptops networking \ > + pcmcia spi timers watchdog misc-devices > diff --git a/Documentation/accounting/Makefile b/Documentation/accounting/Makefile > index 31929eb..7e232cb 100644 > --- a/Documentation/accounting/Makefile > +++ b/Documentation/accounting/Makefile > @@ -1,6 +1,3 @@ > -# kbuild trick to avoid linker error. Can be omitted if a module is built. > -obj- := dummy.o > - > # List of programs to build > hostprogs-y := getdelays > > diff --git a/Documentation/auxdisplay/Makefile b/Documentation/auxdisplay/Makefile > index 51fe233..ada4dac 100644 > --- a/Documentation/auxdisplay/Makefile > +++ b/Documentation/auxdisplay/Makefile > @@ -1,6 +1,3 @@ > -# kbuild trick to avoid linker error. Can be omitted if a module is built. > -obj- := dummy.o > - > # List of programs to build > hostprogs-y := cfag12864b-example > > diff --git a/Documentation/filesystems/Makefile b/Documentation/filesystems/Makefile > index a5dd114..883010c 100644 > --- a/Documentation/filesystems/Makefile > +++ b/Documentation/filesystems/Makefile > @@ -1,6 +1,3 @@ > -# kbuild trick to avoid linker error. Can be omitted if a module is built. > -obj- := dummy.o > - > # List of programs to build > hostprogs-y := dnotify_test > > diff --git a/Documentation/ia64/Makefile b/Documentation/ia64/Makefile > index b75db69..d493163 100644 > --- a/Documentation/ia64/Makefile > +++ b/Documentation/ia64/Makefile > @@ -1,6 +1,3 @@ > -# kbuild trick to avoid linker error. Can be omitted if a module is built. > -obj- := dummy.o > - > # List of programs to build > hostprogs-y := aliasing-test > > diff --git a/Documentation/laptops/Makefile b/Documentation/laptops/Makefile > index 5cb144a..0abe44f 100644 > --- a/Documentation/laptops/Makefile > +++ b/Documentation/laptops/Makefile > @@ -1,6 +1,3 @@ > -# kbuild trick to avoid linker error. Can be omitted if a module is built. > -obj- := dummy.o > - > # List of programs to build > hostprogs-y := dslm > > diff --git a/Documentation/misc-devices/Makefile b/Documentation/misc-devices/Makefile > new file mode 100644 > index 0000000..e2b7aa4 > --- /dev/null > +++ b/Documentation/misc-devices/Makefile > @@ -0,0 +1 @@ > +subdir-y := mei > diff --git a/Documentation/misc-devices/mei/Makefile b/Documentation/misc-devices/mei/Makefile > index 00e8c3e..d758047 100644 > --- a/Documentation/misc-devices/mei/Makefile > +++ b/Documentation/misc-devices/mei/Makefile > @@ -1,6 +1,3 @@ > -# kbuild trick to avoid linker error. Can be omitted if a module is built. > -obj- := dummy.o > - > # List of programs to build > hostprogs-y := mei-amt-version > HOSTCFLAGS_mei-amt-version.o += -I$(objtree)/usr/include > diff --git a/Documentation/networking/Makefile b/Documentation/networking/Makefile > index 0aa1ac9..4c5d7c4 100644 > --- a/Documentation/networking/Makefile > +++ b/Documentation/networking/Makefile > @@ -1,7 +1 @@ > -# kbuild trick to avoid linker error. Can be omitted if a module is built. > -obj- := dummy.o > - > -# Tell kbuild to always build the programs > -always := $(hostprogs-y) > - > -obj-m := timestamping/ > +subdir-y := timestamping > diff --git a/Documentation/networking/timestamping/Makefile b/Documentation/networking/timestamping/Makefile > index d934afc..bbe6f81 100644 > --- a/Documentation/networking/timestamping/Makefile > +++ b/Documentation/networking/timestamping/Makefile > @@ -1,6 +1,3 @@ > -# kbuild trick to avoid linker error. Can be omitted if a module is built. > -obj- := dummy.o > - > # List of programs to build > hostprogs-y := timestamping hwtstamp_config > > diff --git a/Documentation/pcmcia/Makefile b/Documentation/pcmcia/Makefile > index accde87..47a8fa1 100644 > --- a/Documentation/pcmcia/Makefile > +++ b/Documentation/pcmcia/Makefile > @@ -1,6 +1,3 @@ > -# kbuild trick to avoid linker error. Can be omitted if a module is built. > -obj- := dummy.o > - > # List of programs to build > hostprogs-y := crc32hash > > diff --git a/Documentation/spi/Makefile b/Documentation/spi/Makefile > index a5b03c8..efa2558 100644 > --- a/Documentation/spi/Makefile > +++ b/Documentation/spi/Makefile > @@ -1,6 +1,3 @@ > -# kbuild trick to avoid linker error. Can be omitted if a module is built. > -obj- := dummy.o > - > # List of programs to build > hostprogs-y := spidev_test spidev_fdx > > diff --git a/Documentation/timers/Makefile b/Documentation/timers/Makefile > index 73f75f8..6c09ee6 100644 > --- a/Documentation/timers/Makefile > +++ b/Documentation/timers/Makefile > @@ -1,6 +1,3 @@ > -# kbuild trick to avoid linker error. Can be omitted if a module is built. > -obj- := dummy.o > - > # List of programs to build > hostprogs-$(CONFIG_X86) := hpet_example > > diff --git a/Documentation/watchdog/Makefile b/Documentation/watchdog/Makefile > new file mode 100644 > index 0000000..6018f45 > --- /dev/null > +++ b/Documentation/watchdog/Makefile > @@ -0,0 +1 @@ > +subdir-y := src > diff --git a/Documentation/watchdog/src/Makefile b/Documentation/watchdog/src/Makefile > index 40e5f46..4a892c3 100644 > --- a/Documentation/watchdog/src/Makefile > +++ b/Documentation/watchdog/src/Makefile > @@ -1,6 +1,3 @@ > -# kbuild trick to avoid linker error. Can be omitted if a module is built. > -obj- := dummy.o > - > # List of programs to build > hostprogs-y := watchdog-simple watchdog-test > > -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html