netdev - Re: [PATCH v2 0/5] Atomics support for eBPF on powerpc

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Message-Id: <165693443908.9954.12279962376383575979.b4-ty@ellerman.id.au>
Date:   Mon, 04 Jul 2022 21:33:59 +1000
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     bpf@...r.kernel.org, Hari Bathini <hbathini@...ux.ibm.com>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>
Cc:     Jordan Niethe <jniethe5@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Yonghong Song <yhs@...com>,
        "Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>,
        netdev@...r.kernel.org, John Fastabend <john.fastabend@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Michael Ellerman <mpe@...erman.id.au>,
        KP Singh <kpsingh@...nel.org>,
        Paul Mackerras <paulus@...ba.org>,
        Song Liu <songliubraving@...com>,
        Martin KaFai Lau <kafai@...com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Russell Currey <ruscur@...sell.cc>,
        Andrii Nakryiko <andrii@...nel.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: [PATCH v2 0/5] Atomics support for eBPF on powerpc

On Fri, 10 Jun 2022 21:25:47 +0530, Hari Bathini wrote:
> This patchset adds atomic operations to the eBPF instruction set on
> powerpc. The instructions that are added here can be summarised with
> this list of kernel operations for ppc64:
> 
> * atomic[64]_[fetch_]add
> * atomic[64]_[fetch_]and
> * atomic[64]_[fetch_]or
> * atomic[64]_[fetch_]xor
> * atomic[64]_xchg
> * atomic[64]_cmpxchg
> 
> [...]

Applied to powerpc/next.

[1/5] bpf ppc64: add support for BPF_ATOMIC bitwise operations
      https://git.kernel.org/powerpc/c/65112709115f48f16d7082bcabf173d08622e69f
[2/5] bpf ppc64: add support for atomic fetch operations
      https://git.kernel.org/powerpc/c/dbe6e2456fb0263a5a961a92836d2cebdbca979c
[3/5] bpf ppc64: Add instructions for atomic_[cmp]xchg
      https://git.kernel.org/powerpc/c/1e82dfaa7819f03f0b0022be7ca15bbc83090da1
[4/5] bpf ppc32: add support for BPF_ATOMIC bitwise operations
      https://git.kernel.org/powerpc/c/aea7ef8a82c0ea13ff20b65ff2edf8a38a17eda8
[5/5] bpf ppc32: Add instructions for atomic_[cmp]xchg
      https://git.kernel.org/powerpc/c/2d9206b227434912582049c49af1085660fa1e50

cheers