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In v2 of rqspinlock [0], we fixed potential problems with WFE usage in arm64 to fallback to a version copied from Ankur's series [1]. This logic was moved into arch-specific headers in v3 [2]. However, we missed using the arch-provided res_smp_cond_load_acquire in commitebababcd03("rqspinlock: Hardcode cond_acquire loops for arm64") due to a rebasing mistake between v2 and v3 of the rqspinlock series. Fix the typo to fallback to the arm64 definition as we did in v2. [0]: https://lore.kernel.org/bpf/20250206105435.2159977-18-memxor@gmail.com [1]: https://lore.kernel.org/lkml/20250203214911.898276-1-ankur.a.arora@oracle.com [2]: https://lore.kernel.org/bpf/20250303152305.3195648-9-memxor@gmail.com Fixes:ebababcd03("rqspinlock: Hardcode cond_acquire loops for arm64") Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Link: https://lore.kernel.org/r/20250410145512.1876745-1-memxor@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>