Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\atomic64.c Create Date:2022-07-28 07:17:21
Last Modify:2022-05-18 13:46:02 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:atomic64_fetch_and

Proto:s64 atomic64_fetch_and(s64 a, atomic64_t *v)

Type:s64

Parameter:

TypeParameterName
s64a
atomic64_t *v
136  lock = lock_addr(v)
136  Do
136  ({
136  __dummy == __dummy2
136  1
136  })
136  Do
136  Do
136  Do
136  ({
136  __dummy == __dummy2
136  1
136  })
136  flags = For spinlocks, etc:
136  When 0 cycle
136  When 0 cycle
136  Do
136  __asm__ __volatile__
136  Do
136  0
136  When 0 cycle
136  When 0 cycle
136  When 0 cycle
136  When 0 cycle
136  val = counter
136  counter &= a
136  Do
136  ({
136  __dummy == __dummy2
136  1
136  })
136  Do
136  Do
136  Do
136  ({
136  __dummy == __dummy2
136  1
136  })
136  arch_local_irq_restore(flags)
136  When 0 cycle
136  When 0 cycle
136  Do
136  __asm__ __volatile__
136  Do
136  0
136  When 0 cycle
136  When 0 cycle
136  When 0 cycle
136  When 0 cycle
136  Return val