drm/ttm: Have the TTM code return -ERESTARTSYS instead of -ERESTART.
Return -ERESTARTSYS instead of -ERESTART when interrupted by a signal.
The -ERESTARTSYS is converted to an -EINTR by the kernel signal layer
before returned to user-space.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 2f7f56d..4fd4985 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -303,7 +303,7 @@
* Note: It might be necessary to block validations before the
* wait by reserving the buffer.
* Returns -EBUSY if no_wait is true and the buffer is busy.
- * Returns -ERESTART if interrupted by a signal.
+ * Returns -ERESTARTSYS if interrupted by a signal.
*/
extern int ttm_bo_wait(struct ttm_buffer_object *bo, bool lazy,
bool interruptible, bool no_wait);
@@ -321,7 +321,7 @@
* -EINVAL on invalid proposed placement.
* -ENOMEM on out-of-memory condition.
* -EBUSY if no_wait is true and buffer busy.
- * -ERESTART if interrupted by a signal.
+ * -ERESTARTSYS if interrupted by a signal.
*/
extern int ttm_buffer_object_validate(struct ttm_buffer_object *bo,
struct ttm_placement *placement,
@@ -347,7 +347,7 @@
* waiting for buffer idle. This lock is recursive.
* Returns
* -EBUSY if the buffer is busy and no_wait is true.
- * -ERESTART if interrupted by a signal.
+ * -ERESTARTSYS if interrupted by a signal.
*/
extern int
@@ -390,7 +390,7 @@
* Returns
* -ENOMEM: Out of memory.
* -EINVAL: Invalid placement flags.
- * -ERESTART: Interrupted by signal while sleeping waiting for resources.
+ * -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources.
*/
extern int ttm_buffer_object_init(struct ttm_bo_device *bdev,
@@ -430,7 +430,7 @@
* Returns
* -ENOMEM: Out of memory.
* -EINVAL: Invalid placement flags.
- * -ERESTART: Interrupted by signal while waiting for resources.
+ * -ERESTARTSYS: Interrupted by signal while waiting for resources.
*/
extern int ttm_buffer_object_create(struct ttm_bo_device *bdev,
@@ -521,7 +521,7 @@
*
* Returns:
* -EINVAL: Invalid or uninitialized memory type.
- * -ERESTART: The call was interrupted by a signal while waiting to
+ * -ERESTARTSYS: The call was interrupted by a signal while waiting to
* evict a buffer.
*/
@@ -624,7 +624,7 @@
* be called from the fops::read and fops::write method.
* Returns:
* See man (2) write, man(2) read. In particular,
- * the function may return -EINTR if
+ * the function may return -ERESTARTSYS if
* interrupted by a signal.
*/
