Re: [PATCH v4 bpf-next 0/7] kbuild, bpf: Support inline info in BTF
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From: patchwork-bot+netdevbpf@kernel.org
Date: 2026-10-11 14:40:14
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bpf
Hello: This series was applied to bpf/bpf-next.git (master) by Alexei Starovoitov [off-list ref]: On Fri, 9 Oct 2026 12:23:17 +0100 you wrote:
If CONFIG_DEBUG_INFO_BTF_INLINE=y|m, add the "inline" BTF feature and encode inline site info in BTF alongside standard BTF data. resolve_btfids will then partition into non- and inline-related info and split BTF will be used to store inline info in a .BTF.inline section in vmlinux and modules. For CONFIG_DEBUG_INFO_BTF=m, vmlinux inline info will be stored in btf_vmlinux_inline.ko and will be loaded on-demand if used via /sys/kernel/btf/vmlinux.inline. A .BTF.inline.link section in vmlinux stores the module name, the SHA of the BTF and the size so that even without loading the kernel can size the sysfs representation correctly. This approach is based on [1] and the .BTF.inline.link section is modeled on .GNU_debuglink. [...]
Here is the summary with links:
- [v4,bpf-next,1/7] resolve_btfids: Build separate main and inline BTF objects
https://git.kernel.org/bpf/bpf-next/c/cf91a7db92c6
- [v4,bpf-next,2/7] resolve_btfids: Populate BTF link section
https://git.kernel.org/bpf/bpf-next/c/aac67645215d
- [v4,bpf-next,3/7] kbuild, btf: Expose vmlinux inline BTF through sysfs
https://git.kernel.org/bpf/bpf-next/c/672981f4aec1
- [v4,bpf-next,4/7] btf: Preserve string relocation maps for split BTF
https://git.kernel.org/bpf/bpf-next/c/5876080366ae
- [v4,bpf-next,5/7] btf: Relocate and expose module inline BTF
https://git.kernel.org/bpf/bpf-next/c/42d7153fcb44
- [v4,bpf-next,6/7] selftests/bpf: Test BTF sysfs inline representations
https://git.kernel.org/bpf/bpf-next/c/d0de4dc51247
- [v4,bpf-next,7/7] selftests/bpf: Add a test verifying inline information
https://git.kernel.org/bpf/bpf-next/c/400f0881c912
You are awesome, thank you!
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