mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/oprofile/buffer_sync.c
..
..
@@ -91,11 +91,11 @@
91
91
 	struct mm_struct *mm = current->mm;
92
92
 	struct vm_area_struct *mpnt;
93
93
 
94
-	down_read(&mm->mmap_sem);
94
+	mmap_read_lock(mm);
95
95
 
96
96
 	mpnt = find_vma(mm, addr);
97
97
 	if (mpnt && mpnt->vm_file && (mpnt->vm_flags & VM_EXEC)) {
98
-		up_read(&mm->mmap_sem);
98
+		mmap_read_unlock(mm);
99
99
 		/* To avoid latency problems, we only process the current CPU,
100
100
 		 * hoping that most samples for the task are on this CPU
101
101
 		 */
..
..
@@ -103,7 +103,7 @@
103
103
 		return 0;
104
104
 	}
105
105
 
106
-	up_read(&mm->mmap_sem);
106
+	mmap_read_unlock(mm);
107
107
 	return 0;
108
108
 }
109
109
 
..
..
@@ -116,7 +116,7 @@
116
116
 {
117
117
 #ifdef CONFIG_MODULES
118
118
 	if (val != MODULE_STATE_COMING)
119
-		return 0;
119
+		return NOTIFY_DONE;
120
120
 
121
121
 	/* FIXME: should we process all CPU buffers ? */
122
122
 	mutex_lock(&buffer_mutex);
..
..
@@ -124,7 +124,7 @@
124
124
 	add_event_entry(MODULE_LOADED_CODE);
125
125
 	mutex_unlock(&buffer_mutex);
126
126
 #endif
127
-	return 0;
127
+	return NOTIFY_OK;
128
128
 }
129
129
 
130
130
 
..
..
@@ -256,7 +256,7 @@
256
256
 	unsigned long cookie = NO_COOKIE;
257
257
 	struct vm_area_struct *vma;
258
258
 
259
-	down_read(&mm->mmap_sem);
259
+	mmap_read_lock(mm);
260
260
 	for (vma = find_vma(mm, addr); vma; vma = vma->vm_next) {
261
261
 
262
262
 		if (addr < vma->vm_start || addr >= vma->vm_end)
..
..
@@ -276,7 +276,7 @@
276
276
 
277
277
 	if (!vma)
278
278
 		cookie = INVALID_COOKIE;
279
-	up_read(&mm->mmap_sem);
279
+	mmap_read_unlock(mm);
280
280
 
281
281
 	return cookie;
282
282
 }
..
..
@@ -486,7 +486,7 @@
486
486
 
487
487
 /* Sync one of the CPU's buffers into the global event buffer.
488
488
  * Here we need to go through each batch of samples punctuated
489
- * by context switch notes, taking the task's mmap_sem and doing
489
+ * by context switch notes, taking the task's mmap_lock and doing
490
490
  * lookup in task->mm->mmap to convert EIP into dcookie/offset
491
491
  * value.
492
492
  */