Changeset b076dfb in mainline for kernel/generic/include

Timestamp:

2023-02-02T21:58:36Z (3 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

master, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

64e9cf4

Parents:

2b264c4

git-author:

Jiří Zárevúcky <zarevucky.jiri@…> (2023-01-20 19:05:09)

git-committer:

Jiří Zárevúcky <zarevucky.jiri@…> (2023-02-02 21:58:36)

Message:

Implement more elaborate debug checking for spinlocks

Location:

kernel/generic/include

Files:

• arch.h (modified) (1 diff)
• synch/spinlock.h (modified) (1 diff)

kernel/generic/include/arch.h

@@ -75 +75 @@
 typedef struct {
         size_t preemption;      /**< Preemption disabled counter and flag. */
+        size_t mutex_locks;
         struct thread *thread;  /**< Current thread. */
         struct task *task;      /**< Current task. */

kernel/generic/include/synch/spinlock.h

@@ -124 +124 @@
 
 typedef struct {
-        spinlock_t lock;         /**< Spinlock */
-        bool guard;              /**< Flag whether ipl is valid */
-        ipl_t ipl;               /**< Original interrupt level */
+        spinlock_t lock;              /**< Spinlock */
+        bool guard;                   /**< Flag whether ipl is valid */
+        ipl_t ipl;                    /**< Original interrupt level */
+#ifdef CONFIG_DEBUG_SPINLOCK
+        _Atomic(struct cpu *) owner;  /**< Which cpu currently owns this lock */
+#endif
 } irq_spinlock_t;