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From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
To: Jiri Olsa <jolsa@redhat.com>
Cc: "Jiri Olsa" <jolsa@kernel.org>,
	"Alexei Starovoitov" <ast@kernel.org>,
	"Daniel Borkmann" <daniel@iogearbox.net>,
	"Andrii Nakryiko" <andriin@fb.com>,
	"Network Development" <netdev@vger.kernel.org>,
	bpf <bpf@vger.kernel.org>, "Martin KaFai Lau" <kafai@fb.com>,
	"Song Liu" <songliubraving@fb.com>, "Yonghong Song" <yhs@fb.com>,
	"John Fastabend" <john.fastabend@gmail.com>,
	"KP Singh" <kpsingh@chromium.org>,
	"Toke Høiland-Jørgensen" <toke@redhat.com>,
	"Julia Lawall" <julia.lawall@inria.fr>
Subject: Re: [PATCHv5 bpf-next 0/7] bpf: Tracing and lsm programs re-attach
Date: Sun, 25 Apr 2021 21:14:31 -0700	[thread overview]
Message-ID: <CAADnVQ+D5ery27Qkswwn2z9aouiK3+F48hAHZd854sHwb=hRvg@mail.gmail.com> (raw)
In-Reply-To: <YHk0/QgLQagZMQpf@krava>

On Thu, Apr 15, 2021 at 11:56 PM Jiri Olsa <jolsa@redhat.com> wrote:
>
> On Thu, Apr 15, 2021 at 04:45:24PM -0700, Alexei Starovoitov wrote:
> > On Wed, Apr 14, 2021 at 12:52 PM Jiri Olsa <jolsa@kernel.org> wrote:
> > >
> > > hi,
> > > while adding test for pinning the module while there's
> > > trampoline attach to it, I noticed that we don't allow
> > > link detach and following re-attach for trampolines.
> > > Adding that for tracing and lsm programs.
> > >
> > > You need to have patch [1] from bpf tree for test module
> > > attach test to pass.
> > >
> > > v5 changes:
> > >   - fixed missing hlist_del_init change
> > >   - fixed several ASSERT calls
> > >   - added extra patch for missing ';'
> > >   - added ASSERT macros to lsm test
> > >   - added acks
> >
> > It doesn't work:
>
> hi,
> I got the same warning when running test without the
> patch [1] I mentioned:
>   861de02e5f3f bpf: Take module reference for trampoline in module
>
> I still don't see it in bpf-next/master

Finally applied to bpf-next.
Thank you and sorry for the delay.

      reply	other threads:[~2021-04-26  4:14 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-14 19:51 Jiri Olsa
2021-04-14 19:51 ` [PATCHv5 bpf-next 1/7] bpf: Allow trampoline re-attach for tracing and lsm programs Jiri Olsa
2021-04-15 23:22   ` Andrii Nakryiko
2021-04-19 22:47     ` KP Singh
2021-04-14 19:51 ` [PATCHv5 bpf-next 2/7] selftests/bpf: Add missing semicolon Jiri Olsa
2021-04-15 23:23   ` Andrii Nakryiko
2021-04-14 19:51 ` [PATCHv5 bpf-next 3/7] selftests/bpf: Add re-attach test to fentry_test Jiri Olsa
2021-04-14 19:51 ` [PATCHv5 bpf-next 4/7] selftests/bpf: Add re-attach test to fexit_test Jiri Olsa
2021-04-14 19:51 ` [PATCHv5 bpf-next 5/7] selftests/bpf: Add re-attach test to lsm test Jiri Olsa
2021-04-14 19:51 ` [PATCHv5 bpf-next 6/7] selftests/bpf: Test that module can't be unloaded with attached trampoline Jiri Olsa
2021-04-14 19:51 ` [PATCHv5 bpf-next 7/7] selftests/bpf: Use ASSERT macros in lsm test Jiri Olsa
2021-04-15 23:24   ` Andrii Nakryiko
2021-04-15 23:45 ` [PATCHv5 bpf-next 0/7] bpf: Tracing and lsm programs re-attach Alexei Starovoitov
2021-04-16  6:55   ` Jiri Olsa
2021-04-26  4:14     ` Alexei Starovoitov [this message]

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