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 07:47:40
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:irqsafe1_soft_wlock_21

函数原型:static void irqsafe1_soft_wlock_21(void)

返回类型:void

参数:

758  lock for reading
758  lease a read lock
758  local_bh_disable()
758  循环
758  arch_local_irq_disable()
758  当0循环
758  循环
758  当0循环
758  ({
758  __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
758  __builtin_expect(!!(__ret_warn_on), 0)
758  })
758  lock for reading
758  lease a read lock
758  循环
758  当0循环
758  循环
758  arch_local_irq_enable()
758  当0循环
758  local_bh_enable()