From: Kuan-Wei Chiu <visitorckw@gmail.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: corbet@lwn.net, skhan@linuxfoundation.org, ast@kernel.org,
daniel@iogearbox.net, eddyz87@gmail.com, memxor@gmail.com,
andrii@kernel.org, gerg@linux-m68k.org, rdunlap@infradead.org,
martin.lau@linux.dev, song@kernel.org, yonghong.song@linux.dev,
jolsa@kernel.org, emil@etsalapatis.com, ihor.solodrai@linux.dev,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-m68k@lists.linux-m68k.org, bpf@vger.kernel.org,
jserv@ccns.ncku.edu.tw, marscheng@google.com,
eleanor15x@gmail.com, Daniel Palmer <daniel@thingy.jp>
Subject: Re: [PATCH v6] m68k, bpf: Add initial BPF JIT compiler support
Date: Tue, 29 Sep 2026 22:33:46 +0800 [thread overview]
Message-ID: <arvMSjbC23bPf3l-@google.com> (raw)
In-Reply-To: <CAMuHMdVcpHrxg_Kb1vpguSYbRg4CU4DxNuPAv3UqHNHZTNk33A@mail.gmail.com>
Hi Geert,
On Mon, Sep 28, 2026 at 02:15:43PM +0200, Geert Uytterhoeven wrote:
> Hi Kuwan-Wei,
>
> On Sun, 27 Sept 2026 at 22:55, Kuan-Wei Chiu <visitorckw@gmail.com> wrote:
> > Add a BPF JIT compiler for the m68k architecture.
> >
> > The JIT generates m68k machine code targeting m68020+ processors and
> > coldfire parts with an mmu (ISA_B/ISA_C). It excludes plain 68000/68010
> > and non-mmu coldfire processors, as it relies on 32-bit branch
> > displacements (b<cc>.l) to handle large bpf programs.
> >
> > Tested with the test_bpf.ko:
> > test_bpf: Summary: 1061 PASSED, 0 FAILED, [1049/1049 JIT'ed]
> > test_bpf: test_tail_calls: Summary: 10 PASSED, 0 FAILED, [10/10 JIT'ed]
> >
> > Tested-by: Daniel Palmer <daniel@thingy.jp>
> > Co-developed-by: Greg Ungerer <gerg@linux-m68k.org>
> > Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
> > Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
> > ---
> > Changes in v6:
> > - Fix kconfig sort order for HAVE_EBPF_JIT.
> > - Update eBPF-JIT/arch-support.txt
>
> Thanks for the update!
>
> Are any of the issues raised by the bpf-ci bot valid?
> Thanks!
>
Yeah, I'll address those and send out v7 shortly.
Regards,
Kuan-Wei
prev parent reply other threads:[~2026-09-29 14:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-27 20:55 [PATCH v6] m68k, bpf: Add initial BPF JIT compiler support Kuan-Wei Chiu
2026-09-27 21:09 ` sashiko-bot
2026-09-27 21:43 ` bot+bpf-ci
2026-09-28 12:15 ` Geert Uytterhoeven
2026-09-29 14:33 ` Kuan-Wei Chiu [this message]
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