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d8cb7759b6
reason: To remove the "sync pause" and decouple the critical section from the dependency on enabling interrupts, after that we need to further implement "schedlock + spinlock". changelist 1 Modify the implementation of critical sections to no longer involve enabling interrupts or handling synchronous pause events. 2 GIC_SMP_CPUCALL attach to pause handler to remove arch interface up_cpu_paused_restore up_cpu_paused_save 3 Completely remove up_cpu_pause, up_cpu_resume, up_cpu_paused, and up_cpu_pausereq 4 change up_cpu_pause_async to up_send_cpu_sgi Signed-off-by: hujun5 <hujun5@xiaomi.com>