linux-kernel - [patch V3 18/20] irqwork: Move data struct to a types header

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Message-ID: <20251029124516.404582236@linutronix.de>
Date: Wed, 29 Oct 2025 14:09:28 +0100 (CET)
From: Thomas Gleixner <tglx@...utronix.de>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Peter Zijlstra <peterz@...radead.org>,
 Gabriele Monaco <gmonaco@...hat.com>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
 Michael Jeanson <mjeanson@...icios.com>,
 Jens Axboe <axboe@...nel.dk>,
 "Paul E. McKenney" <paulmck@...nel.org>,
 "Gautham R. Shenoy" <gautham.shenoy@....com>,
 Florian Weimer <fweimer@...hat.com>,
 Tim Chen <tim.c.chen@...el.com>,
 Yury Norov <yury.norov@...il.com>,
 Shrikanth Hegde <sshegde@...ux.ibm.com>
Subject: [patch V3 18/20] irqwork: Move data struct to a types header

... to avoid header recursion hell.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 include/linux/irq_work.h       |    9 ++-------
 include/linux/irq_work_types.h |   14 ++++++++++++++
 2 files changed, 16 insertions(+), 7 deletions(-)

--- a/include/linux/irq_work.h
+++ b/include/linux/irq_work.h
@@ -2,8 +2,9 @@
 #ifndef _LINUX_IRQ_WORK_H
 #define _LINUX_IRQ_WORK_H

-#include <linux/smp_types.h>
+#include <linux/irq_work_types.h>
 #include <linux/rcuwait.h>
+#include <linux/smp_types.h>

 /*
  * An entry can be in one of four states:
@@ -14,12 +15,6 @@
  * busy      NULL, 2 -> {free, claimed} : callback in progress, can be claimed
  */

-struct irq_work {
-	struct __call_single_node node;
-	void (*func)(struct irq_work *);
-	struct rcuwait irqwait;
-};
-
 #define __IRQ_WORK_INIT(_func, _flags) (struct irq_work){	\
 	.node = { .u_flags = (_flags), },			\
 	.func = (_func),					\
--- /dev/null
+++ b/include/linux/irq_work_types.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_IRQ_WORK_TYPES_H
+#define _LINUX_IRQ_WORK_TYPES_H
+
+#include <linux/smp_types.h>
+#include <linux/types.h>
+
+struct irq_work {
+	struct __call_single_node	node;
+	void				(*func)(struct irq_work *);
+	struct rcuwait			irqwait;
+};
+
+#endif