'\" t .\" Title: synchronize_rcu_bh .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.79.1 .\" Date: January 2017 .\" Manual: Driver Basics .\" Source: Kernel Hackers Manual 4.8.15 .\" Language: English .\" .TH "SYNCHRONIZE_RCU_BH" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Driver Basics" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" synchronize_rcu_bh \- wait until an rcu_bh grace period has elapsed\&. .SH "SYNOPSIS" .HP \w'void\ synchronize_rcu_bh('u .BI "void synchronize_rcu_bh(" "void" ");" .SH "ARGUMENTS" .PP \fIvoid\fR .RS 4 no arguments .RE .SH "DESCRIPTION" .PP .PP Control will return to the caller some time after a full rcu_bh grace period has elapsed, in other words after all currently executing rcu_bh read\-side critical sections have completed\&. RCU read\-side critical sections are delimited by \fBrcu_read_lock_bh\fR and \fBrcu_read_unlock_bh\fR, and may be nested\&. .PP See the description of \fBsynchronize_sched\fR for more detailed information on memory ordering guarantees\&. .SH "COPYRIGHT" .br