On Sun, Sep 10, 2023 at 04:28:54AM -0400, guoren@xxxxxxxxxx wrote: > Changlog: > V11: > - Based on Leonardo Bras's cmpxchg_small patches v5. > - Based on Guo Ren's Optimize arch_spin_value_unlocked patch v3. > - Remove abusing alternative framework and use jump_label instead. btw, I didn't say that using alternatives was the problem, it was abusing the errata framework to perform feature detection that I had a problem with. That's not changed in v11. A stronger forward progress guarantee is not an erratum, AFAICT. > - Introduce prefetch.w to improve T-HEAD processors' LR/SC forward progress > guarantee. > - Optimize qspinlock xchg_tail when NR_CPUS >= 16K.
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