> Il giorno 12 apr 2017, alle ore 17:30, Bart Van Assche <Bart.VanAssche@xxxxxxxxxxx> ha scritto: > > On Wed, 2017-04-12 at 08:01 +0200, Paolo Valente wrote: >> Where is my mistake? > > I think in the Makefile. How about the patch below? Please note that I'm no > Kbuild expert. > Thank you very much for finding and fixing the bug. I was working exactly on that, and had got to the same solution (which I guess is the only correct one). I'll apply these changes and resubmit. Thanks, Paolo > diff --git a/block/Makefile b/block/Makefile > index 546066ee7fa6..b3711af6b637 100644 > --- a/block/Makefile > +++ b/block/Makefile > @@ -20,7 +20,8 @@ obj-$(CONFIG_IOSCHED_NOOP) += noop-iosched.o > obj-$(CONFIG_IOSCHED_DEADLINE) += deadline-iosched.o > obj-$(CONFIG_IOSCHED_CFQ) += cfq-iosched.o > obj-$(CONFIG_MQ_IOSCHED_DEADLINE) += mq-deadline.o > -obj-$(CONFIG_IOSCHED_BFQ) += bfq-iosched.o bfq-wf2q.o bfq-cgroup.o > +bfq-y := bfq-iosched.o bfq-wf2q.o bfq-cgroup.o > +obj-$(CONFIG_IOSCHED_BFQ) += bfq.o > obj-$(CONFIG_BLOCK_COMPAT) += compat_ioctl.o > obj-$(CONFIG_BLK_CMDLINE_PARSER) += cmdline-parser.o >