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authorThomas Hellstrom <thellstrom@vmware.com>2009-12-07 18:36:18 +0100
committerDave Airlie <airlied@redhat.com>2009-12-10 15:09:03 +1000
commit98ffc4158e12008102cb6ae242a7fc46f9243f0d (patch)
treefa8b231281fac87afe88ab9a0539c6ab5cdc2100 /include/drm
parent312ea8da049a1830aa50c6e00002e50e30df476e (diff)
downloadop-kernel-dev-98ffc4158e12008102cb6ae242a7fc46f9243f0d.zip
op-kernel-dev-98ffc4158e12008102cb6ae242a7fc46f9243f0d.tar.gz
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>
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/ttm/ttm_bo_api.h14
-rw-r--r--include/drm/ttm/ttm_bo_driver.h8
2 files changed, 11 insertions, 11 deletions
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 @@ ttm_bo_reference(struct ttm_buffer_object *bo)
* 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 @@ extern int ttm_bo_wait(struct ttm_buffer_object *bo, bool lazy,
* -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 @@ extern void ttm_bo_unref(struct ttm_buffer_object **bo);
* 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 @@ extern void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo);
* 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 @@ extern int ttm_buffer_object_init(struct ttm_bo_device *bdev,
* 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 @@ extern int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type);
*
* 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 @@ extern int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma,
* 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.
*/
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index fa5c9e5..ff7664e 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -638,7 +638,7 @@ extern bool ttm_mem_reg_is_pci(struct ttm_bo_device *bdev,
* -EBUSY: No space available (only if no_wait == 1).
* -ENOMEM: Could not allocate memory for the buffer object, either due to
* fragmentation or concurrent allocators.
- * -ERESTART: An interruptible sleep was interrupted by a signal.
+ * -ERESTARTSYS: An interruptible sleep was interrupted by a signal.
*/
extern int ttm_bo_mem_space(struct ttm_buffer_object *bo,
struct ttm_placement *placement,
@@ -653,7 +653,7 @@ extern int ttm_bo_mem_space(struct ttm_buffer_object *bo,
* Wait until a buffer object is no longer sync'ed for CPU access.
* Returns:
* -EBUSY: Buffer object was sync'ed for CPU access. (only if no_wait == 1).
- * -ERESTART: An interruptible sleep was interrupted by a signal.
+ * -ERESTARTSYS: An interruptible sleep was interrupted by a signal.
*/
extern int ttm_bo_wait_cpu(struct ttm_buffer_object *bo, bool no_wait);
@@ -757,7 +757,7 @@ extern void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo);
* -EAGAIN: The reservation may cause a deadlock.
* Release all buffer reservations, wait for @bo to become unreserved and
* try again. (only if use_sequence == 1).
- * -ERESTART: A wait for the buffer to become unreserved was interrupted by
+ * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
* a signal. Release all buffer reservations and return to user-space.
*/
extern int ttm_bo_reserve(struct ttm_buffer_object *bo,
@@ -798,7 +798,7 @@ extern int ttm_bo_wait_unreserved(struct ttm_buffer_object *bo,
*
* Returns:
* -EBUSY: If no_wait == 1 and the buffer is already reserved.
- * -ERESTART: If interruptible == 1 and the process received a signal
+ * -ERESTARTSYS: If interruptible == 1 and the process received a signal
* while sleeping.
*/
extern int ttm_bo_block_reservation(struct ttm_buffer_object *bo,
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