On 4/23/24 8:22 PM, Johannes Berg wrote: > On Tue, 2024-04-23 at 20:09 +0800, Tiwei Bie wrote: >> On 4/23/24 7:30 PM, Johannes Berg wrote: >>> On Tue, 2024-04-23 at 19:24 +0800, Tiwei Bie wrote: >>>> >>>> $(USER_OBJS:.o=.%): \ >>>> - c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) -include >>>> $(srctree)/include/linux/kern_levels.h -include user.h >>>> $(CFLAGS_$(basetarget).o) >>>> + c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) -include >>>> $(srctree)/include/linux/kern_levels.h \ >>>> + -include user.h -include $(srctree)/arch/um/os-Linux/internal.h >>>> $(CFLAGS_$(basetarget).o) >>>> >>> >>> Why not just include it explicitly? >> >> I think it might be more convenient if we include it implicitly, >> especially since there are two levels of directories under os-Linux/. >> But I don't have a strong opinion on this. I'm also willing to >> include it explicitly. > > Yeah, ok, dunno. > >>> We do have the warnings? >> >> Yeah. Without this patch, I can get below warnings with `make ARCH=um >> defconfig && make ARCH=um`: >> > > Sure. I meant, we don't need to hide the include, if we need to add it > to some other file, we'll have the warnings as a reminder. :) > > I don't think anyone today would write the code as it is now ...
Makes sense. Will include it explicitly. Thanks! Regards, Tiwei