函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\ptr_ring.h Create Date:2022-07-27 14:40:39
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：ptr_ring_produce_irq

函数原型：static inline int ptr_ring_produce_irq(struct ptr_ring *r, void *ptr)

返回类型：int

参数：

类型参数名称
struct ptr_ring *r
void *ptr
138  spin_lock_irq( & producer_lock)
139  ret等于Note: callers invoking this in a loop must use a compiler barrier,* for example cpu_relax(). Callers must hold producer_lock.* Callers are responsible for making sure pointer that is being queued* points to a valid data.
140  spin_unlock_irq( & producer_lock)
142  返回:ret