linux-kernel - Re: [PATCH bpf-next 0/3] selftests/bpf: tc_links/tc

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Message-ID: <CAADnVQLktLYJ5_jjve0A=oOWZFRvs3NGfuQUXwpCmw6q+U_Ltw@mail.gmail.com>
Date: Tue, 18 Feb 2025 19:40:56 -0800
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: Stanislav Fomichev <stfomichev@...il.com>
Cc: "Bastien Curutchet (eBPF Foundation)" <bastien.curutchet@...tlin.com>, Alexei Starovoitov <ast@...nel.org>, 
	Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, 
	Martin KaFai Lau <martin.lau@...ux.dev>, Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>, 
	Yonghong Song <yonghong.song@...ux.dev>, John Fastabend <john.fastabend@...il.com>, 
	KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...ichev.me>, Hao Luo <haoluo@...gle.com>, 
	Jiri Olsa <jolsa@...nel.org>, Mykola Lysenko <mykolal@...com>, Shuah Khan <shuah@...nel.org>, 
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>, Alexis Lothore <alexis.lothore@...tlin.com>, 
	bpf <bpf@...r.kernel.org>, 
	"open list:KERNEL SELFTEST FRAMEWORK" <linux-kselftest@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH bpf-next 0/3] selftests/bpf: tc_links/tc_opts: Unserialize tests

On Tue, Feb 18, 2025 at 1:22 PM Stanislav Fomichev <stfomichev@...il.com> wrote:
>
> On 02/17, Bastien Curutchet (eBPF Foundation) wrote:
> > Hi all,
> >
> > Both tc_links.c and tc_opts.c do their tests on the loopback interface.
> > It prevents from parallelizing their executions.
> >
> > Use namespaces and the new append_tid() helper to allow this
> > parallelization.
> >
> > Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@...tlin.com>
>
> Acked-by: Stanislav Fomichev <sdf@...ichev.me>
>
> LGTM, thank you! Optionally, if there is more to convert, we can think
> about moving create_and_open_tid_ns to the test_progs itself. For example,
> if the test name starts with ns_, test_progs can probably do the
> create_and_open_tid_ns/netns_free part?

That's a good idea.
Let's do it now.
Otherwise most of the patch 2 will be reverted when it's introduced.

pw-bot: cr