| 6b7a21140fca ("tools: add smp_* barrier variants to include infrastructure") | |
| 51f5fd2e4615 ("tools headers barrier: Fix arm64 tools build failure wrt smp_load_{acquire,release}") | |
| 09d62154f613 ("tools, perf: add and use optimized ring_buffer_{read_head, write_tail} helpers") |