Re: [PATCHv5 bpf-next 1/7] bpf: Allow trampoline re-attach for tracing and lsm programs
From: Andrii Nakryiko <hidden>
Date: 2021-04-15 23:22:28
Also in:
bpf
On Wed, Apr 14, 2021 at 5:44 PM Jiri Olsa [off-list ref] 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 <redacted> Reported-by: Julia Lawall <redacted> Acked-by: Toke Høiland-Jørgensen <redacted> 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(-)
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