And running the build differently, from the root of the git tree (5.4-rc1) rather than using the Ubuntu 5.4-rc1 headers also fails e.g. "make M=fs/cifs modules nsdeps" ... LD [M] fs/cifs/cifs.o Building modules, stage 2. MODPOST 1 modules WARNING: module cifs uses symbol sigprocmask from namespace _fs/cifs/cache.o), but does not import it. ... WARNING: module cifs uses symbol posix_test_lock from namespace cifs/cache.o), but does not import it. CC [M] fs/cifs/cifs.mod.o LD [M] fs/cifs/cifs.ko Building modules, stage 2. MODPOST 1 modules ./scripts/nsdeps: 34: local: ./fs/cifs/cifsfs.c: bad variable name make: *** [Makefile:1710: nsdeps] Error 2 On Wed, Oct 2, 2019 at 6:45 PM Steve French <smfrench@xxxxxxxxx> wrote: > > Following the instructions in Documentation/namespaces to autogenerate > the namespace changes to avoid the multiple build warnings in 5.4-rc1 > for my module ... I am not able to get nsdeps to work. For example > in my module directory (fs/cifs) trying to build with nsdeps: > > make -C /usr/src/linux-headers-`uname -r` M=`pwd` modules nsdeps > > gets the error "cat: ./modules.order: No such file or directory" > > This is on Ubuntu 18, running current 5.4-rc1 kernel. It looks like > it is looking for modules.order in the wrong directory (it is present > in fs/cifs - but it looks like it is looking for it in /usr/src where > of course it won't be found) > > I am trying to remove the hundreds of new warnings introduced by > namespaces in 5.4-rc1 when building my module e.g. > > WARNING: module cifs uses symbol __fscache_acquire_cookie from > namespace .o: $(deps_/home/sfrench/cifs-2.6/fs/cifs/cache.o), but does > not import it. > -- > Thanks, > > Steve -- Thanks, Steve