On 2019-07-15 9:03 p.m., Stephen Rothwell wrote: > Hi all, > > After merging the ntb tree, today's linux-next build (x86_64 allmodconfig) > produced this warning: > > WARNING: could not open /home/sfr/next/next/drivers/ntb/ntb.c: No such file or directory > > The only thing I could see that might be relevant is commit > > 56dce8121e97 ("kbuild: split out *.mod out of {single,multi}-used-m rules") > > and some others in the kbuild tree. Nothing has changed recently in the > ntb tree ... > > drievrs/ntb builds a module called ntb but there is no ntb.c file. > > Any ideas? I renamed the ntb.c file to core.c so we could add more files to build ntb.ko. See [1]. Thanks, Logan [1] https://lore.kernel.org/linux-iommu/20190422210528.15289-6-logang@xxxxxxxxxxxx/