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 07:48:24
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：irqsafe4_hard_rlock_231

函数原型：static void irqsafe4_hard_rlock_231(void)

返回类型：void

参数：无

913  lock for reading
913  lease a read lock
913  local_bh_disable()
913  循环
913  arch_local_irq_disable()
913  当0循环
913  循环
913  当0循环
913  ({
913  __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
913  __builtin_expect(!!(__ret_warn_on), 0)
913  })
913  lock for reading
913  lease a read lock
913  循环
913  当0循环
913  循环
913  arch_local_irq_enable()
913  当0循环
913  local_bh_enable()
913  local_bh_disable()
913  lock for reading
913  lock for reading
913  lease a read lock
913  lease a read lock
913  local_bh_enable()