On Tue, Jul 19, 2022 at 7:00 PM Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > Hi all, > > After merging the bpf-next tree, today's linux-next build (powerpc > ppc64_defconfig) failed like this: > > ld: warning: discarding dynamic section .glink > ld: warning: discarding dynamic section .plt > ld: linkage table error against `bpf_trampoline_unlink_cgroup_shim' > ld: stubs don't match calculated size > ld: can not build stubs: bad value > ld: kernel/bpf/cgroup.o: in function `.bpf_cgroup_link_release.part.0': > cgroup.c:(.text+0x2fc4): undefined reference to `.bpf_trampoline_unlink_cgroup_shim' > ld: kernel/bpf/cgroup.o: in function `.cgroup_bpf_release': > cgroup.c:(.text+0x33b0): undefined reference to `.bpf_trampoline_unlink_cgroup_shim' > ld: cgroup.c:(.text+0x33c0): undefined reference to `.bpf_trampoline_unlink_cgroup_shim' > > Caused by commit > > 3908fcddc65d ("bpf: fix lsm_cgroup build errors on esoteric configs") > > I have reverted that commit for today. Argh. Stan, please take a look.