[0]: https://lore.kernel.org/bpf/nahst74z46ov7ii3vmriyhk25zo6tkf2f3hsulzjzselvobbbu@pqn6wfdibwqb/ [1]: https://github.com/danobi/verifier-analysis/blob/master/analysis.ipynb Daniel Xu (13): bpf: Move bpf_prog_ctx_arg_info_init() body into header bpf: Move BTF related globals out of verifier.c bpf: Move percpu memory allocator definition into core bpf: Move bpf_check_attach_target() to core bpf: Remove map_set_for_each_callback_args callback for maps bpf: Move kfunc definitions out of verifier.c bpf: Make bpf_free_kfunc_btf_tab() static in core selftests: bpf: Avoid attaching to bpf_check() perf: Export perf_snapshot_branch_stack static key bpf: verifier: Add indirection to kallsyms_lookup_name() treewide: bpf: Export symbols used by verifier bpf: verifier: Make verifier loadable bpf: Supporting building verifier.ko out-of-tree arch/x86/net/bpf_jit_comp.c | 2 + drivers/media/rc/bpf-lirc.c | 1 + fs/bpf_fs_kfuncs.c | 4 + include/linux/bpf.h | 82 ++- include/linux/bpf_verifier.h | 7 - include/linux/btf.h | 4 + kernel/bpf/Kbuild | 8 + kernel/bpf/Kconfig | 12 + kernel/bpf/Makefile | 3 +- kernel/bpf/arraymap.c | 2 - kernel/bpf/bpf_iter.c | 1 + kernel/bpf/bpf_lsm.c | 5 + kernel/bpf/bpf_struct_ops.c | 2 + kernel/bpf/btf.c | 61 +- kernel/bpf/cgroup.c | 4 + kernel/bpf/core.c | 463 ++++++++++++++++ kernel/bpf/disasm.c | 4 + kernel/bpf/hashtab.c | 4 - kernel/bpf/helpers.c | 2 + kernel/bpf/local_storage.c | 2 + kernel/bpf/log.c | 12 + kernel/bpf/map_iter.c | 1 + kernel/bpf/memalloc.c | 3 + kernel/bpf/offload.c | 10 + kernel/bpf/syscall.c | 52 +- kernel/bpf/tnum.c | 20 + kernel/bpf/token.c | 1 + kernel/bpf/trampoline.c | 5 + kernel/bpf/verifier.c | 521 ++---------------- kernel/events/callchain.c | 3 + kernel/events/core.c | 1 + kernel/trace/bpf_trace.c | 9 + lib/error-inject.c | 2 + net/core/filter.c | 26 + net/core/xdp.c | 2 + net/netfilter/nf_bpf_link.c | 1 + .../selftests/bpf/progs/exceptions_assert.c | 2 +- .../selftests/bpf/progs/exceptions_fail.c | 4 +- 38 files changed, 834 insertions(+), 514 deletions(-) create mode 100644 kernel/bpf/Kbuild -- 2.47.1