From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 14 May 2024 06:39:01 +0000
Subject: [PATCH] 修改内核路径
---
kernel/include/linux/mutex.h | 34 ++++++++++++++++++----------------
1 files changed, 18 insertions(+), 16 deletions(-)
diff --git a/kernel/include/linux/mutex.h b/kernel/include/linux/mutex.h
index ceec142..05165a6 100644
--- a/kernel/include/linux/mutex.h
+++ b/kernel/include/linux/mutex.h
@@ -23,20 +23,6 @@
struct ww_acquire_ctx;
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
-# define __DEP_MAP_MUTEX_INITIALIZER(lockname) \
- , .dep_map = { \
- .name = #lockname, \
- .wait_type_inner = LD_WAIT_SLEEP, \
- }
-#else
-# define __DEP_MAP_MUTEX_INITIALIZER(lockname)
-#endif
-
-#ifdef CONFIG_PREEMPT_RT
-# include <linux/mutex_rt.h>
-#else
-
/*
* Simple, straightforward mutexes with strict semantics:
*
@@ -84,6 +70,14 @@
struct ww_class;
struct ww_acquire_ctx;
+struct ww_mutex {
+ struct mutex base;
+ struct ww_acquire_ctx *ctx;
+#ifdef CONFIG_DEBUG_MUTEXES
+ struct ww_class *ww_class;
+#endif
+};
+
/*
* This is the control structure for tasks blocked on mutex,
* which resides on the blocked task's kernel stack:
@@ -126,6 +120,16 @@
\
__mutex_init((mutex), #mutex, &__key); \
} while (0)
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+# define __DEP_MAP_MUTEX_INITIALIZER(lockname) \
+ , .dep_map = { \
+ .name = #lockname, \
+ .wait_type_inner = LD_WAIT_SLEEP, \
+ }
+#else
+# define __DEP_MAP_MUTEX_INITIALIZER(lockname)
+#endif
#define __MUTEX_INITIALIZER(lockname) \
{ .owner = ATOMIC_LONG_INIT(0) \
@@ -221,7 +225,5 @@
*/
extern /* __deprecated */ __must_check enum mutex_trylock_recursive_enum
mutex_trylock_recursive(struct mutex *lock);
-
-#endif /* !PREEMPT_RT */
#endif /* __LINUX_MUTEX_H */
--
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