Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\locking-selftest.c Create Date:2022-07-28 06:52:21
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:irq_inversion_soft_rlock_123

Proto:static void irq_inversion_soft_rlock_123(void)

Type:void

Parameter:Nothing

984  local_bh_disable()
984  Do
984  __asm__ __volatile__
984  Do
984  0
984  rwlock_A
984  When 0 cycle
984  When 0 cycle
984  lock for reading
984  lease a read lock
984  Do
984  __asm__ __volatile__
984  Do
984  0
984  rwlock_A
984  When 0 cycle
984  When 0 cycle
984  local_bh_enable()
984  lock for reading
984  lease a read lock
984  local_bh_disable()
984  Do
984  arch_local_irq_disable()
984  When 0 cycle
984  Do
984  When 0 cycle
984  ({
984  __ret_warn_on = Not Not Not (We mask the PREEMPT_NEED_RESCHED bit so as not to confuse all current users* that think a non-zero value indicates we cannot preempt. & (1UL << 8) - 1 << 0 + 8 )
984  __builtin_expect(!!(__ret_warn_on), 0)
984  })
984  Do
984  __asm__ __volatile__
984  Do
984  0
984  rwlock_A
984  When 0 cycle
984  When 0 cycle
984  Do
984  __asm__ __volatile__
984  Do
984  0
984  rwlock_A
984  When 0 cycle
984  When 0 cycle
984  Do
984  When 0 cycle
984  Do
984  arch_local_irq_enable()
984  When 0 cycle
984  local_bh_enable()