disable pwm7

hc

2024-05-10 23fa18eaa71266feff7ba8d83022d9e1cc83c65a

 kernel/include/linux/fsverity.h
..
..
@@ -115,8 +115,13 @@
115
115
 
116
116
 static inline struct fsverity_info *fsverity_get_info(const struct inode *inode)
117
117
 {
118
-	/* pairs with the cmpxchg() in fsverity_set_info() */
119
-	return READ_ONCE(inode->i_verity_info);
118
+	/*
119
+	 * Pairs with the cmpxchg_release() in fsverity_set_info().
120
+	 * I.e., another task may publish ->i_verity_info concurrently,
121
+	 * executing a RELEASE barrier.  We need to use smp_load_acquire() here
122
+	 * to safely ACQUIRE the memory the other task published.
123
+	 */
124
+	return smp_load_acquire(&inode->i_verity_info);
120
125
 }
121
126
 
122
127
 /* enable.c */
..
..
@@ -132,6 +137,10 @@
132
137
 int fsverity_file_open(struct inode *inode, struct file *filp);
133
138
 int fsverity_prepare_setattr(struct dentry *dentry, struct iattr *attr);
134
139
 void fsverity_cleanup_inode(struct inode *inode);
140
+
141
+/* read_metadata.c */
142
+
143
+int fsverity_ioctl_read_metadata(struct file *filp, const void __user *uarg);
135
144
 
136
145
 /* verify.c */
137
146
 
..
..
@@ -178,6 +187,14 @@
178
187
 {
179
188
 }
180
189
 
190
+/* read_metadata.c */
191
+
192
+static inline int fsverity_ioctl_read_metadata(struct file *filp,
193
+					       const void __user *uarg)
194
+{
195
+	return -EOPNOTSUPP;
196
+}
197
+
181
198
 /* verify.c */
182
199
 
183
200
 static inline bool fsverity_verify_page(struct page *page)
..
..
@@ -218,11 +235,11 @@
218
235
 
219
236
 #ifdef CONFIG_FS_VERITY_BUILTIN_SIGNATURES
220
237
 int __fsverity_verify_signature(const struct inode *inode, const u8 *signature,
221
-				u32 sig_size, const u8 *file_digest,
238
+				size_t sig_size, const u8 *file_digest,
222
239
 				unsigned int digest_algorithm);
223
240
 #else /* !CONFIG_FS_VERITY_BUILTIN_SIGNATURES */
224
241
 static inline int __fsverity_verify_signature(const struct inode *inode,
225
-				const u8 *signature, u32 sig_size,
242
+				const u8 *signature, size_t sig_size,
226
243
 				const u8 *file_digest,
227
244
 				unsigned int digest_algorithm)
228
245
 {