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| Rev 4559 | Rev 5056 | ||
|---|---|---|---|
| Line 219... | Line 219... | ||
| 219 | * drm_vma_node_unmap() - Unmap offset node |
219 | * drm_vma_node_unmap() - Unmap offset node |
| 220 | * @node: Offset node |
220 | * @node: Offset node |
| 221 | * @file_mapping: Address space to unmap @node from |
221 | * @file_mapping: Address space to unmap @node from |
| 222 | * |
222 | * |
| 223 | * Unmap all userspace mappings for a given offset node. The mappings must be |
223 | * Unmap all userspace mappings for a given offset node. The mappings must be |
| 224 | * associated with the @file_mapping address-space. If no offset exists or |
224 | * associated with the @file_mapping address-space. If no offset exists |
| 225 | * the address-space is invalid, nothing is done. |
225 | * nothing is done. |
| 226 | * |
226 | * |
| 227 | * This call is unlocked. The caller must guarantee that drm_vma_offset_remove() |
227 | * This call is unlocked. The caller must guarantee that drm_vma_offset_remove() |
| 228 | * is not called on this node concurrently. |
228 | * is not called on this node concurrently. |
| 229 | */ |
229 | */ |
| 230 | static inline void drm_vma_node_unmap(struct drm_vma_offset_node *node, |
230 | static inline void drm_vma_node_unmap(struct drm_vma_offset_node *node, |
| 231 | struct address_space *file_mapping) |
231 | struct address_space *file_mapping) |
| 232 | { |
232 | { |
| 233 | if (file_mapping && drm_vma_node_has_offset(node)) |
233 | // if (drm_vma_node_has_offset(node)) |
| 234 | unmap_mapping_range(file_mapping, |
234 | // unmap_mapping_range(file_mapping, |
| 235 | drm_vma_node_offset_addr(node), |
235 | // drm_vma_node_offset_addr(node), |
| 236 | drm_vma_node_size(node) << PAGE_SHIFT, 1); |
236 | // drm_vma_node_size(node) << PAGE_SHIFT, 1); |
| 237 | } |
237 | } |
| Line 238... | Line 238... | ||
| 238 | 238 | ||
| 239 | /** |
239 | /** |
| 240 | * drm_vma_node_verify_access() - Access verification helper for TTM |
240 | * drm_vma_node_verify_access() - Access verification helper for TTM |