Hello: This series was applied to bpf/bpf.git (master) by Daniel Borkmann <daniel@xxxxxxxxxxxxx>: On Mon, 3 Jun 2024 22:23:14 -0700 you wrote: > This patch series fixes unwanted stripping of kernel kfuncs during linker > optimization, as indicated by build warnings from resolve_btfids e.g. > "WARN: resolve_btfids: unresolved symbol ...". This can happen because the > __bpf_kfunc macro annotating kfunc declarations is ignored during linking. > > Patch 1 adds support for the compiler attribute "__retain__", used to > avoid linker garbage cleanup. Patch 2 then updates __bpf_kfunc to use this > attribute when LTO builds are enabled. > > [...] Here is the summary with links: - [bpf,v2,1/2] compiler_types.h: Define __retain for __attribute__((__retain__)) https://git.kernel.org/bpf/bpf/c/0a5d3258d7c9 - [bpf,v2,2/2] bpf: Harden __bpf_kfunc tag against linker kfunc removal https://git.kernel.org/bpf/bpf/c/7bdcedd5c8fb You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html