[PATCH bpf-next v3 0/4] powerpc64/bpf: Add support for bpf arena and arena atomics

Madhavan Srinivasan maddy at linux.ibm.com
Fri Sep 12 13:56:12 AEST 2025


On Thu, 04 Sep 2025 15:38:31 +0530, Saket Kumar Bhaskar wrote:
> This patch series introduces support for the PROBE_MEM32,
> bpf_addr_space_cast and PROBE_ATOMIC instructions in the powerpc BPF JIT,
> facilitating the implementation of BPF arena and arena atomics.
> 
> All selftests related to bpf_arena, bpf_arena_atomic(except
> load_acquire/store_release) enablement are passing:
> 
> [...]

Applied to powerpc/next.

[1/4] powerpc64/bpf: Implement PROBE_MEM32 pseudo instructions
      https://git.kernel.org/powerpc/c/47c7f3b7038787ee42cb9ed69825e6790dba9410
[2/4] powerpc64/bpf: Implement bpf_addr_space_cast instruction
      https://git.kernel.org/powerpc/c/a2485d06cad3741303b9414e44f9b6d76d3713f2
[3/4] powerpc64/bpf: Introduce bpf_jit_emit_atomic_ops() to emit atomic instructions
      https://git.kernel.org/powerpc/c/45ed2e8b0591eb6211d79f436f76c3af31e626af
[4/4] powerpc64/bpf: Implement PROBE_ATOMIC instructions
      https://git.kernel.org/powerpc/c/0c1da35b0188dd565cec907a16cb5d1bd425e0e4

Thanks


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