Re: [PATCH bpf-next v1 0/3] bpf: allow bpf_for_each_map_elem() helper with different input maps

[patchwork-bot+netdevbpf@kernel.org]

Hello:

This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:

On Fri,  5 Apr 2024 10:55:33 +0800 you wrote:
> Currently, taking different maps within a single bpf_for_each_map_elem
> call is not allowed. For example the following codes cannot pass the
> verifier (with error "tail_call abusing map_ptr"):
> ```
> static void test_by_pid(int pid)
> {
> 	if (pid <= 100)
> 		bpf_for_each_map_elem(&map1, map_elem_cb, NULL, 0);
> 	else
> 		bpf_for_each_map_elem(&map2, map_elem_cb, NULL, 0);
> }
> ```
> 
> [...]

Here is the summary with links:
  - [bpf-next,v1,1/3] bpf: store both map ptr and state in bpf_insn_aux_data
    https://git.kernel.org/bpf/bpf-next/c/0a525621b7e5
  - [bpf-next,v1,2/3] bpf: allow invoking bpf_for_each_map_elem with different maps
    https://git.kernel.org/bpf/bpf-next/c/9d482da9e17a
  - [bpf-next,v1,3/3] selftests/bpf: add test for bpf_for_each_map_elem() with different maps
    https://git.kernel.org/bpf/bpf-next/c/fecb1597cc11

You are awesome, thank you!
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