Hello: This series was applied to bpf/bpf-next.git (master) by Alexei Starovoitov <ast@xxxxxxxxxx>: On Fri, 4 Mar 2022 11:16:53 -0800 you wrote: > This patchset is very much similar to Yonghong's patchset on adding > __user tagging [1], where a "user" btf_type_tag was introduced to > describe __user memory pointers. Similar approach can be applied on > __percpu pointers. The __percpu attribute in kernel is used to identify > pointers that point to memory allocated in percpu region. Normally, > accessing __percpu memory requires using special functions like > per_cpu_ptr() etc. Directly accessing __percpu pointer is meaningless. > > [...] Here is the summary with links: - [bpf-next,v1,1/4] bpf: Fix checking PTR_TO_BTF_ID in check_mem_access https://git.kernel.org/bpf/bpf-next/c/bff61f6faedb - [bpf-next,v1,2/4] compiler_types: define __percpu as __attribute__((btf_type_tag("percpu"))) https://git.kernel.org/bpf/bpf-next/c/9216c9162378 - [bpf-next,v1,3/4] bpf: Reject programs that try to load __percpu memory. https://git.kernel.org/bpf/bpf-next/c/5844101a1be9 - [bpf-next,v1,4/4] selftests/bpf: Add a test for btf_type_tag "percpu" https://git.kernel.org/bpf/bpf-next/c/50c6b8a9aea2 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html