On Mon, Jun 8, 2020 at 8:56 PM Michal Kubecek <mkubecek@xxxxxxx> wrote: > > On Thu, Apr 23, 2020 at 04:39:17PM +0900, Masahiro Yamada wrote: > > The user mode helper should be compiled for the same architecture as > > the kernel. > > > > This Makefile reuses the 'hostprogs' syntax by overriding HOSTCC with CC. > > > > Now that Kbuild provides the syntax 'userprogs', use it to fix the > > Makefile mess. > > > > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx> > > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > --- > > > > net/bpfilter/Makefile | 11 ++++------- > > 1 file changed, 4 insertions(+), 7 deletions(-) > > > > diff --git a/net/bpfilter/Makefile b/net/bpfilter/Makefile > > index 36580301da70..6ee650c6badb 100644 > > --- a/net/bpfilter/Makefile > > +++ b/net/bpfilter/Makefile > > @@ -3,17 +3,14 @@ > > # Makefile for the Linux BPFILTER layer. > > # > > > > -hostprogs := bpfilter_umh > > +userprogs := bpfilter_umh > > bpfilter_umh-objs := main.o > > -KBUILD_HOSTCFLAGS += -I $(srctree)/tools/include/ -I $(srctree)/tools/include/uapi > > -HOSTCC := $(CC) > > +user-ccflags += -I $(srctree)/tools/include/ -I $(srctree)/tools/include/uapi > > > > -ifeq ($(CONFIG_BPFILTER_UMH), y) > > -# builtin bpfilter_umh should be compiled with -static > > +# builtin bpfilter_umh should be linked with -static > > # since rootfs isn't mounted at the time of __init > > # function is called and do_execv won't find elf interpreter > > -KBUILD_HOSTLDFLAGS += -static > > -endif > > +bpfilter_umh-ldflags += -static > > > > $(obj)/bpfilter_umh_blob.o: $(obj)/bpfilter_umh > > Hello, > > I just noticed that this patch (now in mainline as commit 8a2cc0505cc4) > drops the test if CONFIG_BPFILTER_UMH is "y" so that -static is now > passed to the linker even if bpfilter_umh is built as a module which > wasn't the case in v5.7. > > This is not mentioned in the commit message and the comment still says > "*builtin* bpfilter_umh should be linked with -static" so this change > doesn't seem to be intentional. Did I miss something? > > Michal Kubecek Sorry. ifeq was accidentally dropped. I will restore it. -- Best Regards Masahiro Yamada