netdev - Re: [PATCH bpf-next v4 3/4] bpf, doc: add BPF JIT for RV32G to BPF documentation

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Date:   Tue, 3 Mar 2020 08:27:30 +0100
From:   Björn Töpel <bjorn.topel@...il.com>
To:     Luke Nelson <lukenels@...washington.edu>
Cc:     bpf <bpf@...r.kernel.org>, Luke Nelson <luke.r.nels@...il.com>,
        Jonathan Corbet <corbet@....net>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        Andrii Nakryiko <andriin@...com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>, Xi Wang <xi.wang@...il.com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Stephen Hemminger <stephen@...workplumber.org>,
        Rob Herring <robh@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-doc@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        Netdev <netdev@...r.kernel.org>, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH bpf-next v4 3/4] bpf, doc: add BPF JIT for RV32G to BPF documentation

On Tue, 3 Mar 2020 at 01:50, Luke Nelson <lukenels@...washington.edu> wrote:
> Update filter.txt and admin-guide to mention the BPF JIT for RV32G.
>
> Co-developed-by: Xi Wang <xi.wang@...il.com>
> Signed-off-by: Xi Wang <xi.wang@...il.com>
> Signed-off-by: Luke Nelson <luke.r.nels@...il.com>

Acked-by: Björn Töpel <bjorn.topel@...il.com>

> ---
>  Documentation/admin-guide/sysctl/net.rst | 3 ++-
>  Documentation/networking/filter.txt      | 2 +-
>  2 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/admin-guide/sysctl/net.rst b/Documentation/admin-guide/sysctl/net.rst
> index 287b98708a40..e043c9213388 100644
> --- a/Documentation/admin-guide/sysctl/net.rst
> +++ b/Documentation/admin-guide/sysctl/net.rst
> @@ -67,7 +67,8 @@ two flavors of JITs, the newer eBPF JIT currently supported on:
>    - sparc64
>    - mips64
>    - s390x
> -  - riscv
> +  - riscv64
> +  - riscv32
>
>  And the older cBPF JIT supported on the following archs:
>
> diff --git a/Documentation/networking/filter.txt b/Documentation/networking/filter.txt
> index c4a328f2d57a..2f0f8b17dade 100644
> --- a/Documentation/networking/filter.txt
> +++ b/Documentation/networking/filter.txt
> @@ -606,7 +606,7 @@ before a conversion to the new layout is being done behind the scenes!
>
>  Currently, the classic BPF format is being used for JITing on most
>  32-bit architectures, whereas x86-64, aarch64, s390x, powerpc64,
> -sparc64, arm32, riscv (RV64G) perform JIT compilation from eBPF
> +sparc64, arm32, riscv64, riscv32 perform JIT compilation from eBPF
>  instruction set.
>
>  Some core changes of the new internal format: