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authorThomas Gleixner <tglx@linutronix.de>2021-08-15 23:28:34 +0200
committerIngo Molnar <mingo@kernel.org>2021-08-17 18:24:31 +0200
commit4f1893ec8cfb4b17e3b89158a1e3e550a9a9bf3c (patch)
tree95d9b147d18a65717dadd320c347ced15b8cdac6
parentlocking/mutex: Move the 'struct mutex_waiter' definition from <linux/mutex.h> to the internal header (diff)
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locking/ww_mutex: Move the ww_mutex definitions from <linux/mutex.h> into <linux/ww_mutex.h>
Move the ww_mutex definitions into the ww_mutex specific header where they belong. Preparatory change to allow compiling ww_mutexes standalone. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20210815211304.110216293@linutronix.de
-rw-r--r--include/linux/mutex.h11
-rw-r--r--include/linux/ww_mutex.h8
2 files changed, 8 insertions, 11 deletions
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index 62bafee747e9..db3367586a06 100644
--- 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) \
diff --git a/include/linux/ww_mutex.h b/include/linux/ww_mutex.h
index b77f39f319ad..590aaa207757 100644
--- 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;