函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\locking-selftest.c Create Date:2022-07-27 07:47:49
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:irqsafe2B_soft_rlock_21

函数原型:static void irqsafe2B_soft_rlock_21(void)

返回类型:void

参数:

828  local_bh_disable()
828  lock for reading
828  local_bh_enable()
828  lease a read lock
828  local_bh_disable()
828  循环
828  arch_local_irq_disable()
828  当0循环
828  循环
828  当0循环
828  ({
828  __ret_warn_on等于非非非抢占计数值按位与1UL左移8位的值减1左移0加8位的值
828  __builtin_expect(!!(__ret_warn_on), 0)
828  })
828  lock for reading
828  lease a read lock
828  循环
828  当0循环
828  循环
828  arch_local_irq_enable()
828  当0循环
828  local_bh_enable()