[$] BPF support in GCC 16 and beyond
The 2026 Linux Storage, Filesystem, Memory-management, and BPF Summit featured a presentation on the advancements in GCC's BPF support. José Marchesi highlighted the progress made towards achieving feature parity with the LLVM toolchain and discussed ongoing efforts to pass the kernel's BPF self-tests. The GCC-BPF team is also exploring enhancements inspired by BPF variants used in projects like Solana.
- ▪The BPF track at the summit included a 90-minute summary of changes in GCC's BPF support over the past year.
- ▪GCC is now able to pass 601 of the kernel's BPF self-tests, with ongoing work to address remaining issues.
- ▪GCC 16.1 was released on April 30 and includes contributions from new team member Vineet Gupta.
Opening excerpt (first ~120 words) tap to expand
Please consider subscribing to LWN Subscriptions are the lifeblood of LWN.net. If you appreciate this content and would like to see more of it, your subscription will help to ensure that LWN continues to thrive. Please visit this page to join up and keep LWN on the net. By Daroc AldenMay 21, 2026 LSFMM+BPF José Marchesi and the GCC-BPF developers opened the BPF track at the 2026 Linux Storage, Filesystem, Memory-management, and BPF Summit with a 90-minute summary of what has changed for GCC's BPF support in the past year. This kind of session has become something of a tradition. There were similar updates in 2025 and 2024. This time around, GCC seems to be closing in on feature parity with the LLVM toolchain — as the slides detail.
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