New subject: [PATCH OLK-6.6 001/140] bpf: Charge modmem for struct_ops trampoline

13 Apr 2026

      *** BLURB HERE ***

Alan Maguire (16):
  kbuild,bpf: Switch to using --btf_features for pahole v1.26 and later
  kbuild, bpf: Use test-ge check for v1.25-only pahole
  libbpf: Add btf__distill_base() creating split BTF with distilled base
    BTF
  selftests/bpf: Test distilled base, split BTF generation
  libbpf: Split BTF relocation
  selftests/bpf: Extend distilled BTF tests to cover BTF relocation
  resolve_btfids: Handle presence of .BTF.base section
  libbpf: BTF relocation followup fixing naming, loop logic
  module, bpf: Store BTF base pointer in struct module
  libbpf: Split field iter code into its own file kernel
  libbpf,bpf: Share BTF relocate-related code with kernel
  kbuild,bpf: Add module-specific pahole flags for distilled base BTF
  selftests/bpf: Add kfunc_call test for simple dtor in bpf_testmod
  bpf: fix build when CONFIG_DEBUG_INFO_BTF[_MODULES] is undefined
  libbpf: Fix error handling in btf__distill_base()
  libbpf: Fix license for btf_relocate.c

Alexander Lobakin (1):
  bitops: make BYTES_TO_BITS() treewide-available

Alexei Starovoitov (2):
  s390/bpf: Fix indirect trampoline generation
  bpf: Introduce "volatile compare" macros

Andrii Nakryiko (13):
  bpf: Emit global subprog name in verifier logs
  bpf: Validate global subprogs lazily
  selftests/bpf: Add lazy global subprog validation tests
  libbpf: Add btf__new_split() API that was declared but not implemented
  bpf: move sleepable flag from bpf_prog_aux to bpf_prog
  libbpf: Add BTF field iterator
  libbpf: Make use of BTF field iterator in BPF linker code
  libbpf: Make use of BTF field iterator in BTF handling code
  bpftool: Use BTF field iterator in btfgen
  libbpf: Remove callback-based type/string BTF field visitor helpers
  bpf: extract iterator argument type and name validation logic
  bpf: allow passing struct bpf_iter_<type> as kfunc arguments
  selftests/bpf: test passing iterator to a kfunc

Benjamin Tissoires (1):
  bpf: introduce in_sleepable() helper

Christophe Leroy (2):
  bpf: Remove arch_unprotect_bpf_trampoline()
  bpf: Check return from set_memory_rox()

Chuyi Zhou (13):
  cgroup: Prepare for using css_task_iter_*() in BPF
  bpf: Introduce css_task open-coded iterator kfuncs
  bpf: Introduce task open coded iterator kfuncs
  bpf: Introduce css open-coded iterator kfuncs
  bpf: teach the verifier to enforce css_iter and task_iter in RCU CS
  bpf: Let bpf_iter_task_new accept null task ptr
  selftests/bpf: rename bpf_iter_task.c to bpf_iter_tasks.c
  selftests/bpf: Add tests for open-coded task and css iter
  bpf: Relax allowlist for css_task iter
  selftests/bpf: Add tests for css_task iter combining with cgroup iter
  selftests/bpf: Add test for using css_task iter in sleepable progs
  bpf: Let verifier consider {task,cgroup} is trusted in bpf_iter_reg
  selftests/bpf: get trusted cgrp from bpf_iter__cgroup directly

Daniel Xu (3):
  bpf: btf: Support flags for BTF_SET8 sets
  bpf: btf: Add BTF_KFUNCS_START/END macro pair
  bpf: treewide: Annotate BPF kfuncs in BTF

Dave Marchevsky (6):
  bpf: Don't explicitly emit BTF for struct btf_iter_num
  selftests/bpf: Rename bpf_iter_task_vma.c to bpf_iter_task_vmas.c
  bpf: Introduce task_vma open-coded iterator kfuncs
  selftests/bpf: Add tests for open-coded task_vma iter
  bpf: Add __bpf_kfunc_{start,end}_defs macros
  bpf: Add __bpf_hook_{start,end} macros

David Vernet (2):
  bpf: Add ability to pin bpf timer to calling CPU
  selftests/bpf: Test pinning bpf timer to a core

Eduard Zingerman (2):
  libbpf: Make btf_parse_elf process .BTF.base transparently
  selftests/bpf: Check if distilled base inherits source endianness

Geliang Tang (1):
  bpf, btf: Check btf for register_bpf_struct_ops

Hou Tao (6):
  bpf: Free dynamically allocated bits in bpf_iter_bits_destroy()
  bpf: Add bpf_mem_alloc_check_size() helper
  bpf: Check the validity of nr_words in bpf_iter_bits_new()
  bpf: Use __u64 to save the bits in bits iterator
  selftests/bpf: Add three test cases for bits_iter
  selftests/bpf: Use -4095 as the bad address for bits iterator

Kui-Feng Lee (29):
  bpf: refactory struct_ops type initialization to a function.
  bpf: get type information with BTF_ID_LIST
  bpf, net: introduce bpf_struct_ops_desc.
  bpf: add struct_ops_tab to btf.
  bpf: make struct_ops_map support btfs other than btf_vmlinux.
  bpf: pass btf object id in bpf_map_info.
  bpf: lookup struct_ops types from a given module BTF.
  bpf: pass attached BTF to the bpf_struct_ops subsystem
  bpf: hold module refcnt in bpf_struct_ops map creation and prog
    verification.
  bpf: validate value_type
  bpf, net: switch to dynamic registration
  libbpf: Find correct module BTFs for struct_ops maps and progs.
  bpf: export btf_ctx_access to modules.
  selftests/bpf: test case for register_bpf_struct_ops().
  bpf: Fix error checks against bpf_get_btf_vmlinux().
  bpf: Remove an unnecessary check.
  selftests/bpf: Suppress warning message of an unused variable.
  bpf: add btf pointer to struct bpf_ctx_arg_aux.
  bpf: Move __kfunc_param_match_suffix() to btf.c.
  bpf: Create argument information for nullable arguments.
  selftests/bpf: Test PTR_MAYBE_NULL arguments of struct_ops operators.
  libbpf: Set btf_value_type_id of struct bpf_map for struct_ops.
  libbpf: Convert st_ops->data to shadow type.
  bpftool: Generated shadow variables for struct_ops maps.
  bpftool: Add an example for struct_ops map and shadow type.
  selftests/bpf: Test if shadow types work correctly.
  bpf, net: validate struct_ops when updating value.
  bpf: struct_ops supports more than one page for trampolines.
  selftests/bpf: Test struct_ops maps with a large number of struct_ops
    program.

Kumar Kartikeya Dwivedi (4):
  bpf: Allow calling static subprogs while holding a bpf_spin_lock
  selftests/bpf: Add test for static subprog call in lock cs
  bpf: Transfer RCU lock state between subprog calls
  selftests/bpf: Add tests for RCU lock transfer between subprogs

Luo Gengkun (7):
  bpf: Fix kabi-breakage for bpf_func_info_aux
  bpf: Fix kabi-breakage for bpf_tramp_image
  bpf: Fix kabi for bpf_attr
  bpf_verifier: Fix kabi for bpf_verifier_env
  bpf: Fix kabi for bpf_ctx_arg_aux
  bpf: Fix kabi for bpf_prog_aux and bpf_prog
  selftests/bpf: modify test_loader that didn't support running
    bpf_prog_type_syscall programs

Martin KaFai Lau (4):
  libbpf: Ensure undefined bpf_attr field stays 0
  bpf: Remove unnecessary err < 0 check in
    bpf_struct_ops_map_update_elem
  bpf: Fix a crash when btf_parse_base() returns an error pointer
  bpf: Reject struct_ops registration that uses module ptr and the
    module btf_id is missing

Masahiro Yamada (1):
  kbuild: avoid too many execution of scripts/pahole-flags.sh

Matthieu Baerts (1):
  bpf: fix compilation error without CGROUPS

Peter Zijlstra (6):
  cfi: Flip headers
  x86/cfi,bpf: Fix BPF JIT call
  x86/cfi,bpf: Fix bpf_callback_t CFI
  x86/cfi,bpf: Fix bpf_struct_ops CFI
  cfi: Add CFI_NOSEAL()
  bpf: Fix dtor CFI

Pu Lehui (8):
  riscv, bpf: Fix unpredictable kernel crash about RV64 struct_ops
  bpf: Fix kabi breakage in struct module
  riscv, bpf: Fix out-of-bounds issue when preparing trampoline image
  selftests/bpf: Fix btf leak on new btf alloc failure in btf_distill
    test
  libbpf: Fix return zero when elf_begin failed
  libbpf: Fix incorrect traversal end type ID when marking
    BTF_IS_EMBEDDED
  selftests/bpf: Add distilled BTF test about marking BTF_IS_EMBEDDED
  selftests/bpf: Add file_read_pattern to gitignore

Song Liu (8):
  bpf: Charge modmem for struct_ops trampoline
  bpf: Let bpf_prog_pack_free handle any pointer
  bpf: Adjust argument names of arch_prepare_bpf_trampoline()
  bpf: Add helpers for trampoline image management
  bpf, x86: Adjust arch_prepare_bpf_trampoline return value
  bpf: Add arch_bpf_trampoline_size()
  bpf: Use arch_bpf_trampoline_size
  x86, bpf: Use bpf_prog_pack for bpf trampoline

T.J. Mercier (1):
  bpf, docs: Fix broken link to renamed bpf_iter_task_vmas.c

Tony Ambardar (1):
  libbpf: Ensure new BTF objects inherit input endianness

Yafang Shao (2):
  bpf: Add bits iterator
  selftests/bpf: Add selftest for bits iter

 Documentation/bpf/bpf_iterators.rst           |   2 +-
 Documentation/bpf/kfuncs.rst                  |  14 +-
 MAINTAINERS                                   |   2 +-
 Makefile                                      |   4 +-
 arch/arm64/kernel/bpf-rvi.c                   |   4 +-
 arch/arm64/net/bpf_jit_comp.c                 |  55 +-
 arch/riscv/include/asm/cfi.h                  |   3 +-
 arch/riscv/kernel/cfi.c                       |   2 +-
 arch/riscv/net/bpf_jit_comp64.c               |  48 +-
 arch/s390/net/bpf_jit_comp.c                  |  59 +-
 arch/x86/include/asm/cfi.h                    | 126 ++-
 arch/x86/kernel/alternative.c                 |  87 +-
 arch/x86/kernel/cfi.c                         |   4 +-
 arch/x86/net/bpf_jit_comp.c                   | 261 ++++--
 block/blk-cgroup.c                            |   4 +-
 drivers/hid/bpf/hid_bpf_dispatch.c            |  12 +-
 fs/proc/stat.c                                |   4 +-
 include/asm-generic/Kbuild                    |   1 +
 include/asm-generic/cfi.h                     |   5 +
 include/linux/bitops.h                        |   2 +
 include/linux/bpf.h                           | 130 ++-
 include/linux/bpf_mem_alloc.h                 |   3 +
 include/linux/bpf_verifier.h                  |  21 +-
 include/linux/btf.h                           | 105 +++
 include/linux/btf_ids.h                       |  21 +-
 include/linux/cfi.h                           |  12 +
 include/linux/cgroup.h                        |  12 +-
 include/linux/filter.h                        |   2 +-
 include/linux/module.h                        |   5 +
 include/uapi/linux/bpf.h                      |  16 +-
 kernel/bpf-rvi/common_kfuncs.c                |   4 +-
 kernel/bpf/Makefile                           |   8 +-
 kernel/bpf/bpf_iter.c                         |  12 +-
 kernel/bpf/bpf_struct_ops.c                   | 748 ++++++++++++------
 kernel/bpf/bpf_struct_ops_types.h             |  12 -
 kernel/bpf/btf.c                              | 431 ++++++++--
 kernel/bpf/cgroup_iter.c                      |  65 +-
 kernel/bpf/core.c                             |  76 +-
 kernel/bpf/cpumask.c                          |  18 +-
 kernel/bpf/dispatcher.c                       |   7 +-
 kernel/bpf/helpers.c                          | 202 ++++-
 kernel/bpf/map_iter.c                         |  10 +-
 kernel/bpf/memalloc.c                         |  14 +-
 kernel/bpf/syscall.c                          |  12 +-
 kernel/bpf/task_iter.c                        | 242 +++++-
 kernel/bpf/trampoline.c                       |  99 ++-
 kernel/bpf/verifier.c                         | 317 ++++++--
 kernel/cgroup/cgroup.c                        |  18 +-
 kernel/cgroup/cpuset.c                        |   4 +-
 kernel/cgroup/rstat.c                         |  13 +-
 kernel/events/core.c                          |   2 +-
 kernel/module/main.c                          |   5 +-
 kernel/sched/bpf_sched.c                      |   8 +-
 kernel/sched/cpuacct.c                        |   4 +-
 kernel/trace/bpf_trace.c                      |  12 +-
 kernel/trace/trace_probe.c                    |   2 -
 net/bpf/bpf_dummy_struct_ops.c                |  72 +-
 net/bpf/test_run.c                            |  30 +-
 net/core/filter.c                             |  33 +-
 net/core/xdp.c                                |  10 +-
 net/ipv4/bpf_tcp_ca.c                         |  93 ++-
 net/ipv4/fou_bpf.c                            |  10 +-
 net/ipv4/tcp_bbr.c                            |   4 +-
 net/ipv4/tcp_cong.c                           |   6 +-
 net/ipv4/tcp_cubic.c                          |   4 +-
 net/ipv4/tcp_dctcp.c                          |   4 +-
 net/netfilter/nf_conntrack_bpf.c              |  10 +-
 net/netfilter/nf_nat_bpf.c                    |  10 +-
 net/socket.c                                  |   8 +-
 net/xfrm/xfrm_interface_bpf.c                 |  10 +-
 scripts/Makefile.btf                          |  33 +
 scripts/Makefile.modfinal                     |   2 +-
 scripts/pahole-flags.sh                       |  30 -
 .../bpf/bpftool/Documentation/bpftool-gen.rst |  58 +-
 tools/bpf/bpftool/gen.c                       | 253 +++++-
 tools/bpf/resolve_btfids/main.c               |   8 +
 tools/include/linux/bitops.h                  |   2 +
 tools/include/uapi/linux/bpf.h                |  14 +-
 tools/lib/bpf/Build                           |   2 +-
 tools/lib/bpf/bpf.c                           |   4 +-
 tools/lib/bpf/bpf.h                           |   4 +-
 tools/lib/bpf/btf.c                           | 704 ++++++++++++-----
 tools/lib/bpf/btf.h                           |  36 +
 tools/lib/bpf/btf_iter.c                      | 177 +++++
 tools/lib/bpf/btf_relocate.c                  | 519 ++++++++++++
 tools/lib/bpf/libbpf.c                        |  86 +-
 tools/lib/bpf/libbpf.map                      |   4 +-
 tools/lib/bpf/libbpf_internal.h               |  29 +-
 tools/lib/bpf/libbpf_probes.c                 |   1 +
 tools/lib/bpf/linker.c                        |  58 +-
 tools/perf/util/probe-finder.c                |   4 +-
 tools/testing/selftests/bpf/.gitignore        |   1 +
 .../testing/selftests/bpf/bpf_experimental.h  |  96 +++
 .../selftests/bpf/bpf_testmod/bpf_testmod.c   | 160 +++-
 .../selftests/bpf/bpf_testmod/bpf_testmod.h   |  61 ++
 .../bpf/bpf_testmod/bpf_testmod_kfunc.h       |   9 +
 .../selftests/bpf/prog_tests/bpf_iter.c       |  44 +-
 .../selftests/bpf/prog_tests/btf_distill.c    | 692 ++++++++++++++++
 .../selftests/bpf/prog_tests/cgroup_iter.c    |  33 +
 .../testing/selftests/bpf/prog_tests/iters.c  | 209 +++++
 .../selftests/bpf/prog_tests/kfunc_call.c     |   1 +
 .../selftests/bpf/prog_tests/rcu_read_lock.c  |   6 +
 .../selftests/bpf/prog_tests/spin_lock.c      |   2 +
 .../prog_tests/test_struct_ops_maybe_null.c   |  46 ++
 .../bpf/prog_tests/test_struct_ops_module.c   |  86 ++
 .../prog_tests/test_struct_ops_multi_pages.c  |  30 +
 .../testing/selftests/bpf/prog_tests/timer.c  |   4 +
 .../selftests/bpf/prog_tests/verifier.c       |   4 +
 ...f_iter_task_vma.c => bpf_iter_task_vmas.c} |   0
 .../{bpf_iter_task.c => bpf_iter_tasks.c}     |   0
 tools/testing/selftests/bpf/progs/iters_css.c |  72 ++
 .../selftests/bpf/progs/iters_css_task.c      | 102 +++
 .../testing/selftests/bpf/progs/iters_task.c  |  41 +
 .../selftests/bpf/progs/iters_task_failure.c  | 105 +++
 .../selftests/bpf/progs/iters_task_vma.c      |  43 +
 .../selftests/bpf/progs/iters_testmod_seq.c   |  50 ++
 .../selftests/bpf/progs/kfunc_call_test.c     |  37 +
 .../selftests/bpf/progs/rcu_read_lock.c       | 120 +++
 .../bpf/progs/struct_ops_maybe_null.c         |  29 +
 .../bpf/progs/struct_ops_maybe_null_fail.c    |  24 +
 .../selftests/bpf/progs/struct_ops_module.c   |  37 +
 .../bpf/progs/struct_ops_multi_pages.c        | 102 +++
 .../selftests/bpf/progs/test_global_func12.c  |   4 +-
 .../selftests/bpf/progs/test_spin_lock.c      |  65 ++
 .../selftests/bpf/progs/test_spin_lock_fail.c |  44 ++
 tools/testing/selftests/bpf/progs/timer.c     |  63 +-
 .../selftests/bpf/progs/verifier_bits_iter.c  | 232 ++++++
 .../bpf/progs/verifier_global_subprogs.c      |  92 +++
 .../selftests/bpf/progs/verifier_spin_lock.c  |   2 +-
 .../bpf/progs/verifier_subprog_precision.c    |   4 +-
 tools/testing/selftests/bpf/test_loader.c     |  10 +-
 131 files changed, 7326 insertions(+), 1139 deletions(-)
 create mode 100644 include/asm-generic/cfi.h
 delete mode 100644 kernel/bpf/bpf_struct_ops_types.h
 create mode 100644 scripts/Makefile.btf
 delete mode 100755 scripts/pahole-flags.sh
 create mode 100644 tools/lib/bpf/btf_iter.c
 create mode 100644 tools/lib/bpf/btf_relocate.c
 create mode 100644 tools/testing/selftests/bpf/prog_tests/btf_distill.c
 create mode 100644 tools/testing/selftests/bpf/prog_tests/test_struct_ops_maybe_null.c
 create mode 100644 tools/testing/selftests/bpf/prog_tests/test_struct_ops_module.c
 create mode 100644 tools/testing/selftests/bpf/prog_tests/test_struct_ops_multi_pages.c
 rename tools/testing/selftests/bpf/progs/{bpf_iter_task_vma.c => bpf_iter_task_vmas.c} (100%)
 rename tools/testing/selftests/bpf/progs/{bpf_iter_task.c => bpf_iter_tasks.c} (100%)
 create mode 100644 tools/testing/selftests/bpf/progs/iters_css.c
 create mode 100644 tools/testing/selftests/bpf/progs/iters_css_task.c
 create mode 100644 tools/testing/selftests/bpf/progs/iters_task.c
 create mode 100644 tools/testing/selftests/bpf/progs/iters_task_failure.c
 create mode 100644 tools/testing/selftests/bpf/progs/iters_task_vma.c
 create mode 100644 tools/testing/selftests/bpf/progs/struct_ops_maybe_null.c
 create mode 100644 tools/testing/selftests/bpf/progs/struct_ops_maybe_null_fail.c
 create mode 100644 tools/testing/selftests/bpf/progs/struct_ops_module.c
 create mode 100644 tools/testing/selftests/bpf/progs/struct_ops_multi_pages.c
 create mode 100644 tools/testing/selftests/bpf/progs/verifier_bits_iter.c
 create mode 100644 tools/testing/selftests/bpf/progs/verifier_global_subprogs.c

-- 
2.34.1

[PATCH OLK-6.6 000/140] *** sched-ext-bpf-part ***

tags

participants (2)

[PATCH OLK-6.6 000/140] * sched-ext-bpf-part *