From: Andrii Nakryiko <andrii.nakryiko@gmail.com>
To: Jiri Olsa <jolsa@kernel.org>
Cc: "Alexei Starovoitov" <ast@kernel.org>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Andrii Nakryiko" <andriin@fb.com>,
"kernel test robot" <lkp@intel.com>,
"Julia Lawall" <julia.lawall@lip6.fr>,
"Toke Høiland-Jørgensen" <toke@redhat.com>,
Networking <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>,
"Julia Lawall" <julia.lawall@inria.fr>
Subject: Re: [PATCHv5 bpf-next 1/7] bpf: Allow trampoline re-attach for tracing and lsm programs
Date: Thu, 15 Apr 2021 16:22:15 -0700 [thread overview]
Message-ID: <CAEf4BzagYcy-UxbgXGC81B=K02-wUctvUSTFDySsR6B0cJdwaA@mail.gmail.com> (raw)
In-Reply-To: <20210414195147.1624932-2-jolsa@kernel.org>
On Wed, Apr 14, 2021 at 5:44 PM Jiri Olsa <jolsa@kernel.org> wrote:
>
> Currently we don't allow re-attaching of trampolines. Once
> it's detached, it can't be re-attach even when the program
> is still loaded.
>
> Adding the possibility to re-attach the loaded tracing and
> lsm programs.
>
> Fixing missing unlock with proper cleanup goto jump reported
> by Julia.
>
> Reported-by: kernel test robot <lkp@intel.com>
> Reported-by: Julia Lawall <julia.lawall@lip6.fr>
> Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
> Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> ---
Acked-by: Andrii Nakryiko <andrii@kernel.org>
> kernel/bpf/syscall.c | 23 +++++++++++++++++------
> kernel/bpf/trampoline.c | 4 ++--
> 2 files changed, 19 insertions(+), 8 deletions(-)
>
[...]
next prev parent reply other threads:[~2021-04-15 23:22 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-14 19:51 [PATCHv5 bpf-next 0/7] bpf: Tracing and lsm programs re-attach 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 [this message]
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
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