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                                            董斌

Whether to consider adding "rt_hw_spin_trylock" function before spinlock to avoid CPU busy waiting?【是否考虑在spinlock之前先尝试获取锁trylock，避免CPU忙等】

The Linux kernel spinlock will try to lock before each spinlock. This attempt to lock can bring performance gains under fierce lock competition. Refer to the following kernel code: ```c...