> Although we have a per-cpu area base in a fixed global register > for addressing, the above isn't beneficial on sparc64 because > the atomic is much slower than doing a: > > local_irq_disable(); > nonatomic_percpu_memory_op(); > local_irq_enable();
Again might be pointing out the obvious, but you need of course save_flags()/restore_flags(), not disable/enable(). If it was just disable/enable x86 could do it much faster too and Christoph probably would never felt the need to approach this project for his SLUB fast path. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
