函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\ring_buffer.c Create Date:2022-07-27 13:00:53
Last Modify:2020-03-17 19:30:04 Copyright©Brick
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函数名称：g_buffer_read_prepare_sync - Synchronize a set of prepare calls* All previously invoked ring_buffer_read_prepare calls to prepare* iterators will be synchronized. Afterwards, read_buffer_read_start* calls on those iterators are allowed.

函数原型：void ring_buffer_read_prepare_sync(void)

返回类型：void

参数：无

4237  Wait for a grace period to elapse. But it is illegal to invoke* synchronize_rcu() from within an RCU read-side critical section.* Therefore, any legal call to synchronize_rcu() is a quiescent
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