Re: [PATCH bpf-next v2 0/3] bpf: Allow selected kfuncs under bpf_spin_lock

Hello:

This series was applied to bpf/bpf-next.git (master)
by Kumar Kartikeya Dwivedi <[email protected]>:

On Wed,  5 Aug 2026 23:33:37 +0800 you wrote:
> The verifier currently has a hard-coded allowlist of kfuncs that may be
> called while a BPF program holds a bpf_spin_lock. This works for the
> small set of built-in kfuncs known to the verifier, but it does not give
> kfunc providers a registration-time way to declare that a kfunc is safe
> in such a region. In particular, module kfuncs cannot be added to that
> allowlist without changing verifier code.
> 
> [...]

Here is the summary with links:
  - [bpf-next,v2,1/3] bpf: Add KF_SPINLOCK_SAFE flag for kfuncs under bpf_spin_lock
    https://git.kernel.org/bpf/bpf-next/c/ed3b3093b624
  - [bpf-next,v2,2/3] bpf: Mark existing lock-safe kfuncs with KF_SPINLOCK_SAFE
    https://git.kernel.org/bpf/bpf-next/c/7619a0ee9340
  - [bpf-next,v2,3/3] selftests/bpf: Test module kfunc calls under spin lock
    https://git.kernel.org/bpf/bpf-next/c/bca83aa31f15

You are awesome, thank you!
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