netdev - Re: [PATCH] RISC-V/bpf: Enable bpf_probe

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Date:   Wed, 6 Jul 2022 00:00:02 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Andrii Nakryiko <andrii.nakryiko@...il.com>
Cc:     Christoph Hellwig <hch@...radead.org>,
        Alan Maguire <alan.maguire@...cle.com>,
        Yixun Lan <dlan@...too.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        linux-riscv@...ts.infradead.org,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>
Subject: Re: [PATCH] RISC-V/bpf: Enable bpf_probe_read{, str}()

On Tue, Jul 05, 2022 at 10:00:42PM -0700, Andrii Nakryiko wrote:
> riscv existed as of [0], so I'd argue it is a proper bug fix, as
> corresponding select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE should
> have been added back then.

How much of an eBPF ecosystem was there on RISC-V at the point?