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 07:47:48
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_soft_spin_21

函数原型：static void irqsafe2B_soft_spin_21(void)

返回类型：void

参数：无

825  local_bh_disable()
825  lock for reading
825  local_bh_enable()
825  lease a read lock
825  local_bh_disable()
825  循环
825  arch_local_irq_disable()
825  当0循环
825  循环
825  当0循环
825  ({
825  __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
825  __builtin_expect(!!(__ret_warn_on), 0)
825  })
825  lock for reading
825  lease a read lock
825  循环
825  当0循环
825  循环
825  arch_local_irq_enable()
825  当0循环
825  local_bh_enable()