linux-kernel - [PATCH rcu 02/17] srcu: Define SRCU_READ_FLAVOR

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Message-Id: <20250116202112.3783327-2-paulmck@kernel.org>
Date: Thu, 16 Jan 2025 12:20:57 -0800
From: "Paul E. McKenney" <paulmck@...nel.org>
To: rcu@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	kernel-team@...a.com,
	rostedt@...dmis.org,
	"Paul E. McKenney" <paulmck@...nel.org>,
	Neeraj Upadhyay <Neeraj.Upadhyay@....com>,
	Alexei Starovoitov <ast@...nel.org>,
	Andrii Nakryiko <andrii@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Kent Overstreet <kent.overstreet@...ux.dev>,
	bpf@...r.kernel.org
Subject: [PATCH rcu 02/17] srcu: Define SRCU_READ_FLAVOR_ALL in terms of symbols

This commit defines SRCU_READ_FLAVOR_ALL in terms of the
SRCU_READ_FLAVOR_* definitions instead of a hexadecimal constant.

Suggested-by: Neeraj Upadhyay <Neeraj.Upadhyay@....com>
Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
Cc: Alexei Starovoitov <ast@...nel.org>
Cc: Andrii Nakryiko <andrii@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Kent Overstreet <kent.overstreet@...ux.dev>
Cc: <bpf@...r.kernel.org>
---
 include/linux/srcu.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index d7ba46e74f58e..f6f779b9d9ff2 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -47,7 +47,8 @@ int init_srcu_struct(struct srcu_struct *ssp);
 #define SRCU_READ_FLAVOR_NORMAL	0x1		// srcu_read_lock().
 #define SRCU_READ_FLAVOR_NMI	0x2		// srcu_read_lock_nmisafe().
 #define SRCU_READ_FLAVOR_LITE	0x4		// srcu_read_lock_lite().
-#define SRCU_READ_FLAVOR_ALL	0x7		// All of the above.
+#define SRCU_READ_FLAVOR_ALL   (SRCU_READ_FLAVOR_NORMAL | SRCU_READ_FLAVOR_NMI | \
+				SRCU_READ_FLAVOR_LITE) // All of the above.
 
 #ifdef CONFIG_TINY_SRCU
 #include <linux/srcutiny.h>
-- 
2.40.1