On Mon, Dec 11, 2023 at 4:24 AM Mark Brown <broonie@xxxxxxxxxx> wrote: > > On Mon, Dec 11, 2023 at 01:03:27PM +0100, David Hildenbrand wrote: > > On 11.12.23 12:15, Mark Brown wrote: > > > > This is linux-next. I pasted the commands used to build and sent links > > > to a full build log in the original report. > > > Probably also related to "make headers-install": > > > https://lkml.kernel.org/r/20231209020144.244759-1-jhubbard@xxxxxxxxxx > > > The general problem is that some mm selftests are currently not written in > > way that allows them to compile with old linux headers. That's why the build > > fails if "make headers-install" was not executed, but it does not fail if > > "make headers-install" was once upon a time executed, but the headers are > > outdated. > > Oh, it's obviously the new headers not being installed. The builds > where I'm seeing the problem (my own and KernelCI's) are all fresh > containers so there shouldn't be any stale headers lying around. Ok, I was updating my headers and that's why I could not reproduce it. David, should the test be modified to handle old linux headers (disable the new tests #ifndef _UFFDIO_MOVE or some other way)?