函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\u64_stats_sync.h Create Date:2022-07-27 06:50:28
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__u64_stats_fetch_begin

函数原型：static inline unsigned int __u64_stats_fetch_begin(const struct u64_stats_sync *syncp)

返回类型：unsigned int

参数：

类型参数名称
const struct u64_stats_sync *syncp
163  返回:0
调用者
名称描述
cgroup_base_stat_flush
u64_stats_fetch_begin
u64_stats_fetch_begin_irqIn case irq handlers can update u64 counters, readers can use following helpers* - SMP 32bit arches use seqcount protection, irq safe.* - UP 32bit must disable irqs.* - 64bit have no problem atomically reading u64 values, irq safe.