[bpf-next,00/10] s390/bpf: Implement arena

Message

Ilya Leoshkevich June 27, 2024, 9:07 a.m. UTC

Hi,

This series adds arena support to the s390x JIT.
Patches 1-4 are refactorings, patches 5-8 are the implementation,
and patches 9-10 deal with testing.

Best regards,
Ilya

Ilya Leoshkevich (10):
  s390/bpf: Factor out emitting probe nops
  s390/bpf: Get rid of get_probe_mem_regno()
  s390/bpf: Introduce pre- and post- probe functions
  s390/bpf: Land on the next JITed instruction after exception
  s390/bpf: Support BPF_PROBE_MEM32
  s390/bpf: Support address space cast instruction
  s390/bpf: Enable arena
  s390/bpf: Support arena atomics
  selftests/bpf: Add UAF tests for arena atomics
  selftests/bpf: Remove arena tests from DENYLIST.s390x

 arch/s390/net/bpf_jit_comp.c                  | 400 ++++++++++++++----
 tools/testing/selftests/bpf/DENYLIST.s390x    |   3 -
 .../selftests/bpf/prog_tests/arena_atomics.c  |  16 +
 .../selftests/bpf/progs/arena_atomics.c       |  43 ++
 4 files changed, 368 insertions(+), 94 deletions(-)