Hello:
This series was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@xxxxxxxxxx>:
On Tue, 6 Feb 2024 23:01:02 -0800 you wrote:
> Currently tracing is supposed not to allow for bpf_spin_{lock,unlock}()
> helper calls. This is to prevent deadlock for the following cases:
> - there is a prog (prog-A) calling bpf_spin_{lock,unlock}().
> - there is a tracing program (prog-B), e.g., fentry, attached
> to bpf_spin_lock() and/or bpf_spin_unlock().
> - prog-B calls bpf_spin_{lock,unlock}().
> For such a case, when prog-A calls bpf_spin_{lock,unlock}(),
> a deadlock will happen.
>
> [...]
Here is the summary with links:
- [bpf-next,1/2] bpf: Mark bpf_spin_{lock,unlock}() helpers with notrace correctly
https://git.kernel.org/bpf/bpf-next/c/178c54666f9c
- [bpf-next,2/2] selftests/bpf: Ensure fentry prog cannot attach to bpf_spin_{lock,unlcok}()
https://git.kernel.org/bpf/bpf-next/c/fc1c9e40da37
You are awesome, thank you!
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