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SYNCHRONIZE_RCU_BH(9) Driver Basics SYNCHRONIZE_RCU_BH(9)

NAME

synchronize_rcu_bh - wait until an rcu_bh grace period has elapsed.

SYNOPSIS

void synchronize_rcu_bh(void);

ARGUMENTS

void
no arguments

DESCRIPTION

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 rcu_read_lock_bh and rcu_read_unlock_bh, and may be nested.
See the description of synchronize_sched for more detailed information on memory ordering guarantees.

COPYRIGHT

January 2017 Kernel Hackers Manual 4.8.