On Fri, Nov 03, 2023 at 01:22:54PM +0100, David Hildenbrand wrote: > On 03.11.23 13:16, Peter Zijlstra wrote: > > On Tue, Jun 06, 2023 at 12:16:37AM -0700, John Hubbard wrote: > > > As per a discussion with Muhammad Usama Anjum [1], the following is how > > > one is supposed to build selftests: > > > > > > make headers && make -C tools/testing/selftests/mm > > > > > > Change the selftest build system's lib.mk to fail out with a helpful > > > message if that prerequisite "make headers" has not been done yet. > > > > > > > NAK NAK NAK > > > > This now means I can no longer run selftests, I thank you very much! :-/ > > > > root@spr:/usr/src/linux-2.6# make O=defconfig-build/ -j64 > > make[1]: Entering directory '/usr/src/linux-2.6/defconfig-build' > > *** > > *** The source tree is not clean, please run 'make mrproper' > > *** in /usr/src/linux-2.6 > > > > > > I've always done: > > > > cd tools/testing/selftests/x86; make > > > > and that has always worked > > > > Now I can't bloody well build *any* selftest or risk not being able to > > do builds. > > This change landed in 6.5, no? And 6.6 was just released. Just curious why > you notice that now. Dunno, last time I edited the selftests and needed to recompile was a few weeks ago.