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

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Message-ID: <175764920910.610338.6618492148160203933.b4-ty@linux.ibm.com>
Date: Fri, 12 Sep 2025 09:26:12 +0530
From: Madhavan Srinivasan <maddy@...ux.ibm.com>
To: bpf@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        Saket Kumar Bhaskar <skb99@...ux.ibm.com>
Cc: hbathini@...ux.ibm.com, sachinpb@...ux.ibm.com, venkat88@...ux.ibm.com,
        andrii@...nel.org, eddyz87@...il.com, mykolal@...com, ast@...nel.org,
        daniel@...earbox.net, martin.lau@...ux.dev, song@...nel.org,
        yonghong.song@...ux.dev, john.fastabend@...il.com, kpsingh@...nel.org,
        sdf@...ichev.me, haoluo@...gle.com, jolsa@...nel.org,
        christophe.leroy@...roup.eu, naveen@...nel.org, mpe@...erman.id.au,
        npiggin@...il.com, memxor@...il.com, iii@...ux.ibm.com,
        shuah@...nel.org
Subject: Re: [PATCH bpf-next v3 0/4] powerpc64/bpf: Add support for bpf arena and arena atomics

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