From: Paul E. McKenney <paulmck@kernel.org>
Date: Wed, 16 Jul 2025 16:19:39 +0000 (-0700)
Subject: srcu: Add guards for notrace variants of SRCU-fast readers
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=cacadb630375b8c30ca4d0300812178bb884c0b0;p=users%2Fhch%2Fmisc.git

srcu: Add guards for notrace variants of SRCU-fast readers

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

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: <bpf@vger.kernel.org>
---

diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index 7a692bf8f99b..ada65b58bc4c 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -515,4 +515,9 @@ DEFINE_LOCK_GUARD_1(srcu_fast, struct srcu_struct,
 		    srcu_read_unlock_fast(_T->lock, _T->scp),
 		    struct srcu_ctr __percpu *scp)
 
+DEFINE_LOCK_GUARD_1(srcu_fast_notrace, struct srcu_struct,
+		    _T->scp = srcu_read_lock_fast_notrace(_T->lock),
+		    srcu_read_unlock_fast_notrace(_T->lock, _T->scp),
+		    struct srcu_ctr __percpu *scp)
+
 #endif