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 07:47:44
Last Modify:2020-03-12 14:18:49 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：irqsafe2B_hard_spin_21

函数原型：static void irqsafe2B_hard_spin_21(void)

返回类型：void

参数：无

816  local_bh_disable()
816  lock for reading
816  local_bh_enable()
816  lease a read lock
816  local_bh_disable()
816  循环
816  arch_local_irq_disable()
816  当0循环
816  循环
816  当0循环
816  ({
816  __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
816  __builtin_expect(!!(__ret_warn_on), 0)
816  })
816  lock for reading
816  lease a read lock
816  循环
816  当0循环
816  循环
816  arch_local_irq_enable()
816  当0循环
816  local_bh_enable()