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Message-ID: <20210815211304.110216293@linutronix.de>
Date: Sun, 15 Aug 2021 23:28:34 +0200 (CEST)
From: Thomas Gleixner <tglx@...utronix.de>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...nel.org>,
Juri Lelli <juri.lelli@...hat.com>,
Steven Rostedt <rostedt@...dmis.org>,
Daniel Bristot de Oliveira <bristot@...hat.com>,
Will Deacon <will@...nel.org>,
Waiman Long <longman@...hat.com>,
Boqun Feng <boqun.feng@...il.com>,
Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
Davidlohr Bueso <dave@...olabs.net>,
Mike Galbraith <efault@....de>
Subject: [patch V5 38/72] locking/ww_mutex: Move ww_mutex declarations into ww_mutex.h
From: Thomas Gleixner <tglx@...utronix.de>
Move the ww_mutex declarations into the ww_mutex specific header where they
belong.
Preparatory change to allow compiling ww_mutex standalone.
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
include/linux/mutex.h | 11 -----------
include/linux/ww_mutex.h | 8 ++++++++
2 files changed, 8 insertions(+), 11 deletions(-)
---
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -20,9 +20,6 @@
#include <linux/osq_lock.h>
#include <linux/debug_locks.h>
-struct ww_class;
-struct ww_acquire_ctx;
-
/*
* Simple, straightforward mutexes with strict semantics:
*
@@ -66,14 +63,6 @@ struct mutex {
#endif
};
-struct ww_mutex {
- struct mutex base;
- struct ww_acquire_ctx *ctx;
-#ifdef CONFIG_DEBUG_MUTEXES
- struct ww_class *ww_class;
-#endif
-};
-
#ifdef CONFIG_DEBUG_MUTEXES
#define __DEBUG_MUTEX_INITIALIZER(lockname) \
--- a/include/linux/ww_mutex.h
+++ b/include/linux/ww_mutex.h
@@ -28,6 +28,14 @@ struct ww_class {
unsigned int is_wait_die;
};
+struct ww_mutex {
+ struct mutex base;
+ struct ww_acquire_ctx *ctx;
+#ifdef CONFIG_DEBUG_MUTEXES
+ struct ww_class *ww_class;
+#endif
+};
+
struct ww_acquire_ctx {
struct task_struct *task;
unsigned long stamp;
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