From: Haojian Zhuang <haojian.zhuang@linaro.org>
To: Eduard Zingerman <eddyz87@gmail.com>
Cc: bpf@vger.kernel.org, Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
John Fastabend <john.fastabend@gmail.com>
Subject: Re: [PATCH] bpf: check mem for dynptr type
Date: Mon, 4 Mar 2024 13:46:34 +0000 [thread overview]
Message-ID: <ZeXQuv2jCsKnYZnr@hackbox2.linaro.org> (raw)
In-Reply-To: <564df7e8c14864641c2f57a5283de53c746ea047.camel@gmail.com>
On Mon, Mar 04, 2024 at 03:13:29PM +0200, Eduard Zingerman wrote:
> On Mon, 2024-03-04 at 13:02 +0000, Haojian Zhuang wrote:
> [...]
>
> > Yes, I'm referring to bpf_user_ringbuf_drain() helper function.
> >
> > Yes, I should extend bpf/progs/user_ringbuf_success.c. And it could be
> > loaded by bpf/prog_tests/user_ringbuf.c.
>
> Before doing so, could you please share example you have in mind?
>
Sure. My test case is in the link (https://github.com/hzhuang1/linux/blob/bpf02/tools/testing/selftests/bpf/progs/test_crypto_kern.c).
> > But I failed to find the binary of user_ringbuf.c after bpf test cases
> > built. And there're no binaries for the test cases in bpf/prog_tests
> > directory. How to make use of these test cases? I failed to find
> > documents on it. Could you help to share any tips to me? Thanks
>
> The binary that runs tests is called "test_progs" and is compiled
> using target "test_progs" under "tools/testing/selftests/bpf" directory.
> Specific tests could be run using commands like:
> - "./test_progs -a user_ringbuf" (to run all subtests in the group);
> - "./test_progs -a user_ringbuf/test_user_ringbuf_loop"
> (to run one subtest from the group).
>
Thanks. I'll follow this instruction.
> I have an old writeup on setting up local testing environment,
> if you need it I can update and share it.
It's better if you can share it.
Best Regards
Haojian
next prev parent reply other threads:[~2024-03-04 13:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-03 2:37 [PATCH] bpf: check mem for dynptr type Haojian Zhuang
2024-03-04 12:46 ` Eduard Zingerman
2024-03-04 13:02 ` Haojian Zhuang
2024-03-04 13:13 ` Eduard Zingerman
2024-03-04 13:46 ` Haojian Zhuang [this message]
2024-03-04 17:08 ` Eduard Zingerman
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