From: Daniel Xu <dxu@dxuuu.xyz>
To: Yonghong Song <yhs@meta.com>
Cc: Dave Thaler <dthaler@microsoft.com>, Yonghong Song <yhs@fb.com>,
"bpf@vger.kernel.org" <bpf@vger.kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Fangrui Song <maskray@google.com>,
"kernel-team@fb.com" <kernel-team@fb.com>
Subject: Re: [RFC PATCH bpf-next 00/13] bpf: Support new insns from cpu v4
Date: Mon, 3 Jul 2023 15:11:59 -0600 [thread overview]
Message-ID: <klq6m6gvliobcibcq5icuz6wst33xhe7rg6cs3kr66y4kkiug7@5r4mk44zjfkq> (raw)
In-Reply-To: <1b8e956e-ebfd-bfa1-713a-37c8039bf92a@meta.com>
Hi Yonghong,
On Thu, Jun 29, 2023 at 07:17:56AM -0700, Yonghong Song wrote:
>
>
> On 6/29/23 6:42 AM, Dave Thaler wrote:
> > Yonghong Song <yhs@fb.com> wrote:
> > > In previous discussion ([1]), it is agreed that we should introduce cpu version
> > > 4 (llvm flag -mcpu=v4) which contains some instructions which can simplify
> > > code, make code easier to understand, fix the existing problem, or simply for
> > > feature completeness. More specifically, the following new insns are
> > > proposed:
> > [...]
> >
> > What about also updating instruction-set.rst?
>
> Will update doc in the next revision.
>
> >
> > Dave
> >
>
I think bpf_design_QA.rst needs to be updated as well:
Q: Why there is no BPF_SDIV for signed divide operation?
[..]
Thanks,
Daniel
next prev parent reply other threads:[~2023-07-03 21:12 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-29 6:37 [RFC PATCH bpf-next 00/13] bpf: Support new insns from cpu v4 Yonghong Song
2023-06-29 6:37 ` [RFC PATCH bpf-next 01/13] bpf: Support new sign-extension load insns Yonghong Song
2023-07-03 0:53 ` Alexei Starovoitov
2023-07-03 15:29 ` Yonghong Song
2023-06-29 6:37 ` [RFC PATCH bpf-next 02/13] bpf: Add verifier support for " Yonghong Song
2023-07-02 14:28 ` kernel test robot
2023-07-02 18:06 ` Yonghong Song
2023-06-29 6:37 ` [RFC PATCH bpf-next 03/13] bpf: Support new sign-extension mov insns Yonghong Song
2023-06-29 6:37 ` [RFC PATCH bpf-next 04/13] bpf: Support new unconditional bswap instruction Yonghong Song
2023-06-29 6:37 ` [RFC PATCH bpf-next 05/13] bpf: Support new signed div/mod instructions Yonghong Song
2023-06-29 6:37 ` [RFC PATCH bpf-next 06/13] bpf: Support new 32bit offset jmp instruction Yonghong Song
2023-06-29 6:37 ` [RFC PATCH bpf-next 07/13] bpf: Add kernel/bpftool asm support for new instructions Yonghong Song
2023-07-03 2:01 ` kernel test robot
2023-06-29 6:38 ` [RFC PATCH bpf-next 08/13] selftests/bpf: Add unit tests for new sign-extension load insns Yonghong Song
2023-06-29 6:38 ` [RFC PATCH bpf-next 09/13] selftests/bpf: Add unit tests for new sign-extension mov insns Yonghong Song
2023-06-29 6:38 ` [RFC PATCH bpf-next 10/13] selftests/bpf: Add unit tests for new bswap insns Yonghong Song
2023-06-29 6:38 ` [RFC PATCH bpf-next 11/13] selftests/bpf: Add unit tests for new sdiv/smod insns Yonghong Song
2023-06-29 6:38 ` [RFC PATCH bpf-next 12/13] selftests/bpf: Add unit tests for new gotol insn Yonghong Song
2023-06-29 6:38 ` [RFC PATCH bpf-next 13/13] selftests/bpf: Add a cpuv4 test runner for cpu=v4 testing Yonghong Song
[not found] ` <PH7PR21MB38786422B9929D253E279810A325A@PH7PR21MB3878.namprd21.prod.outlook.com>
2023-06-29 14:17 ` [RFC PATCH bpf-next 00/13] bpf: Support new insns from cpu v4 Yonghong Song
2023-07-03 21:11 ` Daniel Xu [this message]
2023-07-03 23:36 ` Yonghong Song
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