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srcu: Add guards for SRCU-fast readers 

This adds the usual scoped_guard(srcu_fast, &my_srcu) and
guard(srcu_fast)(&my_srcu).

Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Neeraj Upadhyay (AMD) <neeraj.upadhyay@kernel.org>
pull/1309/head
Paul E. McKenney 2025-07-17 11:55:41 -07:00 committed by Neeraj Upadhyay (AMD)
parent 2a73ebf267
commit 954c0d7412
1 changed files with 5 additions and 0 deletions
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5
include/linux/srcu.h
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@ -481,4 +481,9 @@ DEFINE_LOCK_GUARD_1(srcu, struct srcu_struct,
srcu_read_unlock(_T->lock, _T->idx),
int idx)
DEFINE_LOCK_GUARD_1(srcu_fast, struct srcu_struct,
_T->scp = srcu_read_lock_fast(_T->lock),
srcu_read_unlock_fast(_T->lock, _T->scp),
struct srcu_ctr __percpu *scp)
#endif