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From:   Andrii Nakryiko <andrii.nakryiko@gmail.com>
Date:   Fri, 8 Jul 2022 15:22:51 -0700
Message-ID: <CAEf4BzZrvOyYxmJpw=azZ59adeEqnHYqnUXKQProyUKBP5NaUA@mail.gmail.com>
Subject: Re: [PATCH] RISC-V/bpf: Enable bpf_probe_read{, str}()
To:     Christoph Hellwig <hch@infradead.org>
Cc:     Alan Maguire <alan.maguire@oracle.com>,
        Yixun Lan <dlan@gentoo.org>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        linux-riscv@lists.infradead.org,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Andrii Nakryiko <andrii@kernel.org>,
        Martin KaFai Lau <kafai@fb.com>,
        Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
        John Fastabend <john.fastabend@gmail.com>,
        KP Singh <kpsingh@kernel.org>,
        open list <linux-kernel@vger.kernel.org>,
        Networking <netdev@vger.kernel.org>, bpf <bpf@vger.kernel.org>
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On Wed, Jul 6, 2022 at 12:00 AM Christoph Hellwig <hch@infradead.org> wrote:
>
> 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?

No idea, never used RISC-V and didn't pay much attention. But why does
it matter?