Change ttm_execbuf_util to use the new reservation context object for deadlock handling.
Signed-off-by: Christian König <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 +- .../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 4 +- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 4 +- drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 4 +- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +- drivers/gpu/drm/qxl/qxl_drv.h | 2 +- drivers/gpu/drm/qxl/qxl_release.c | 2 +- drivers/gpu/drm/radeon/radeon.h | 3 +- drivers/gpu/drm/radeon/radeon_gem.c | 2 +- drivers/gpu/drm/radeon/radeon_object.c | 2 +- drivers/gpu/drm/radeon/radeon_object.h | 2 +- drivers/gpu/drm/ttm/ttm_execbuf_util.c | 117 ++++++++---------- drivers/gpu/drm/virtio/virtgpu_drv.h | 2 +- drivers/gpu/drm/virtio/virtgpu_ioctl.c | 4 +- drivers/gpu/drm/virtio/virtgpu_object.c | 2 +- drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 8 +- drivers/gpu/drm/vmwgfx/vmwgfx_validation.h | 2 +- include/drm/ttm/ttm_execbuf_util.h | 12 +- 19 files changed, 83 insertions(+), 95 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 19a00282e34c..f7f061f71b26 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -457,7 +457,7 @@ struct amdgpu_cs_parser { struct drm_sched_entity *entity; /* buffer objects */ - struct ww_acquire_ctx ticket; + struct reservation_context ticket; struct amdgpu_bo_list *bo_list; struct amdgpu_mn *mn; struct amdgpu_bo_list_entry vm_pd; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index 81e0e758cc54..a9be6d1d4f76 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -539,7 +539,7 @@ struct bo_vm_reservation_context { struct amdgpu_bo_list_entry kfd_bo; /* BO list entry for the KFD BO */ unsigned int n_vms; /* Number of VMs reserved */ struct amdgpu_bo_list_entry *vm_pd; /* Array of VM BO list entries */ - struct ww_acquire_ctx ticket; /* Reservation ticket */ + struct reservation_context ticket; /* Reservation ticket */ struct list_head list, duplicates; /* BO lists */ struct amdgpu_sync *sync; /* Pointer to sync object */ bool reserved; /* Whether BOs are reserved */ @@ -1772,7 +1772,7 @@ static int validate_invalid_user_pages(struct amdkfd_process_info *process_info) { struct amdgpu_bo_list_entry *pd_bo_list_entries; struct list_head resv_list, duplicates; - struct ww_acquire_ctx ticket; + struct reservation_context ticket; struct amdgpu_sync sync; struct amdgpu_vm *peer_vm; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 3e2da24cd17a..0fc4c0c10ef8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -1322,7 +1322,7 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p, amdgpu_job_free_resources(job); trace_amdgpu_cs_ioctl(job); - amdgpu_vm_bo_trace_cs(&fpriv->vm, &p->ticket); + amdgpu_vm_bo_trace_cs(&fpriv->vm, &p->ticket.ctx); priority = job->base.s_priority; drm_sched_entity_push_job(&job->base, entity); @@ -1726,7 +1726,7 @@ int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser, *map = mapping; /* Double check that the BO is reserved by this CS */ - if (READ_ONCE((*bo)->tbo.resv->lock.ctx) != &parser->ticket) + if (READ_ONCE((*bo)->tbo.resv->lock.ctx) != &parser->ticket.ctx) return -EINVAL; if (!((*bo)->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS)) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c index f660628e6af9..3e13850b2435 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c @@ -65,7 +65,7 @@ int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm, struct amdgpu_bo *bo, struct amdgpu_bo_va **bo_va, uint64_t csa_addr, uint32_t size) { - struct ww_acquire_ctx ticket; + struct reservation_context ticket; struct list_head list; struct amdgpu_bo_list_entry pd; struct ttm_validate_buffer csa_tv; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index ed25a4e14404..6e819d6a80e3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -158,7 +158,7 @@ void amdgpu_gem_object_close(struct drm_gem_object *obj, struct amdgpu_bo_list_entry vm_pd; struct list_head list, duplicates; struct ttm_validate_buffer tv; - struct ww_acquire_ctx ticket; + struct reservation_context ticket; struct amdgpu_bo_va *bo_va; int r; @@ -546,7 +546,7 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data, struct amdgpu_bo_va *bo_va; struct amdgpu_bo_list_entry vm_pd; struct ttm_validate_buffer tv; - struct ww_acquire_ctx ticket; + struct reservation_context ticket; struct list_head list, duplicates; uint64_t va_flags; int r = 0; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 36ee8fe52f38..241bb4562240 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4193,7 +4193,7 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane, struct dm_plane_state *dm_plane_state_new, *dm_plane_state_old; struct list_head list; struct ttm_validate_buffer tv; - struct ww_acquire_ctx ticket; + struct reservation_context ticket; uint64_t tiling_flags; uint32_t domain; int r; diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h index 2896bb6fdbf4..3066fd9776bd 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.h +++ b/drivers/gpu/drm/qxl/qxl_drv.h @@ -154,7 +154,7 @@ struct qxl_release { struct qxl_bo *release_bo; uint32_t release_offset; uint32_t surface_release_id; - struct ww_acquire_ctx ticket; + struct reservation_context ticket; struct list_head bos; }; diff --git a/drivers/gpu/drm/qxl/qxl_release.c b/drivers/gpu/drm/qxl/qxl_release.c index 49f9a9385393..e392bdd82609 100644 --- a/drivers/gpu/drm/qxl/qxl_release.c +++ b/drivers/gpu/drm/qxl/qxl_release.c @@ -459,6 +459,6 @@ void qxl_release_fence_buffer_objects(struct qxl_release *release) reservation_object_unlock(bo->resv); } spin_unlock(&glob->lru_lock); - ww_acquire_fini(&release->ticket); + reservation_context_fini(&release->ticket); } diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 32808e50be12..04f94792be55 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1084,7 +1084,8 @@ struct radeon_cs_parser { u32 cs_flags; u32 ring; s32 priority; - struct ww_acquire_ctx ticket; + + struct reservation_context ticket; }; static inline u32 radeon_get_ib_value(struct radeon_cs_parser *p, int idx) diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index 7411e69e2712..823ccb8dae20 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -544,7 +544,7 @@ static void radeon_gem_va_update_vm(struct radeon_device *rdev, { struct ttm_validate_buffer tv, *entry; struct radeon_bo_list *vm_bos; - struct ww_acquire_ctx ticket; + struct reservation_context ticket; struct list_head list; unsigned domain; int r; diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 36683de0300b..56b90903482a 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -528,7 +528,7 @@ static u64 radeon_bo_get_threshold_for_moves(struct radeon_device *rdev) } int radeon_bo_list_validate(struct radeon_device *rdev, - struct ww_acquire_ctx *ticket, + struct reservation_context *ticket, struct list_head *head, int ring) { struct ttm_operation_ctx ctx = { true, false }; diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h index 9ffd8215d38a..9dd3b2fa3f9a 100644 --- a/drivers/gpu/drm/radeon/radeon_object.h +++ b/drivers/gpu/drm/radeon/radeon_object.h @@ -141,7 +141,7 @@ extern void radeon_bo_force_delete(struct radeon_device *rdev); extern int radeon_bo_init(struct radeon_device *rdev); extern void radeon_bo_fini(struct radeon_device *rdev); extern int radeon_bo_list_validate(struct radeon_device *rdev, - struct ww_acquire_ctx *ticket, + struct reservation_context *ticket, struct list_head *head, int ring); extern int radeon_bo_set_tiling_flags(struct radeon_bo *bo, u32 tiling_flags, u32 pitch); diff --git a/drivers/gpu/drm/ttm/ttm_execbuf_util.c b/drivers/gpu/drm/ttm/ttm_execbuf_util.c index 957ec375a4ba..6df2879b2480 100644 --- a/drivers/gpu/drm/ttm/ttm_execbuf_util.c +++ b/drivers/gpu/drm/ttm/ttm_execbuf_util.c @@ -33,16 +33,6 @@ #include <linux/sched.h> #include <linux/module.h> -static void ttm_eu_backoff_reservation_reverse(struct list_head *list, - struct ttm_validate_buffer *entry) -{ - list_for_each_entry_continue_reverse(entry, list, head) { - struct ttm_buffer_object *bo = entry->bo; - - reservation_object_unlock(bo->resv); - } -} - static void ttm_eu_del_from_lru_locked(struct list_head *list) { struct ttm_validate_buffer *entry; @@ -53,7 +43,7 @@ static void ttm_eu_del_from_lru_locked(struct list_head *list) } } -void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket, +void ttm_eu_backoff_reservation(struct reservation_context *ticket, struct list_head *list) { struct ttm_validate_buffer *entry; @@ -71,12 +61,15 @@ void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket, if (list_empty(&bo->lru)) ttm_bo_add_to_lru(bo); - reservation_object_unlock(bo->resv); + if (!ticket) + reservation_object_unlock(bo->resv); } spin_unlock(&glob->lru_lock); - if (ticket) - ww_acquire_fini(ticket); + if (ticket) { + reservation_context_unlock_all(ticket); + reservation_context_fini(ticket); + } } EXPORT_SYMBOL(ttm_eu_backoff_reservation); @@ -92,12 +85,12 @@ EXPORT_SYMBOL(ttm_eu_backoff_reservation); * buffers in different orders. */ -int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket, +int ttm_eu_reserve_buffers(struct reservation_context *ticket, struct list_head *list, bool intr, struct list_head *dups, bool del_lru) { - struct ttm_bo_global *glob; struct ttm_validate_buffer *entry; + struct ttm_bo_global *glob; int ret; if (list_empty(list)) @@ -107,70 +100,45 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket, glob = entry->bo->bdev->glob; if (ticket) - ww_acquire_init(ticket, &reservation_ww_class); + reservation_context_init(ticket); +retry: list_for_each_entry(entry, list, head) { struct ttm_buffer_object *bo = entry->bo; - ret = __ttm_bo_reserve(bo, intr, (ticket == NULL), ticket); + if (likely(ticket)) { + ret = reservation_context_lock(ticket, bo->resv, intr); + if (ret == -EDEADLK) + goto retry; + } else { + ret = reservation_object_trylock(bo->resv) ? 0 : -EBUSY; + } + if (!ret && unlikely(atomic_read(&bo->cpu_writers) > 0)) { reservation_object_unlock(bo->resv); - ret = -EBUSY; } else if (ret == -EALREADY && dups) { struct ttm_validate_buffer *safe = entry; + entry = list_prev_entry(entry, head); list_del(&safe->head); list_add(&safe->head, dups); continue; } - if (!ret) { - if (!entry->num_shared) - continue; + if (unlikely(ret)) + goto error; - ret = reservation_object_reserve_shared(bo->resv, - entry->num_shared); - if (!ret) - continue; - } - - /* uh oh, we lost out, drop every reservation and try - * to only reserve this buffer, then start over if - * this succeeds. - */ - ttm_eu_backoff_reservation_reverse(list, entry); - - if (ret == -EDEADLK) { - if (intr) { - ret = ww_mutex_lock_slow_interruptible(&bo->resv->lock, - ticket); - } else { - ww_mutex_lock_slow(&bo->resv->lock, ticket); - ret = 0; - } - } + if (!entry->num_shared) + continue; - if (!ret && entry->num_shared) - ret = reservation_object_reserve_shared(bo->resv, - entry->num_shared); - - if (unlikely(ret != 0)) { - if (ret == -EINTR) - ret = -ERESTARTSYS; - if (ticket) { - ww_acquire_done(ticket); - ww_acquire_fini(ticket); - } - return ret; + ret = reservation_object_reserve_shared(bo->resv, + entry->num_shared); + if (unlikely(ret)) { + reservation_object_unlock(bo->resv); + goto error; } - - /* move this item to the front of the list, - * forces correct iteration of the loop without keeping track - */ - list_del(&entry->head); - list_add(&entry->head, list); } if (del_lru) { @@ -179,10 +147,26 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket, spin_unlock(&glob->lru_lock); } return 0; + +error: + if (ret == -EINTR) + ret = -ERESTARTSYS; + if (ticket) { + reservation_context_unlock_all(ticket); + reservation_context_done(ticket); + reservation_context_fini(ticket); + } else { + list_for_each_entry_continue_reverse(entry, list, head) { + struct ttm_buffer_object *bo = entry->bo; + + reservation_object_unlock(bo->resv); + } + } + return ret; } EXPORT_SYMBOL(ttm_eu_reserve_buffers); -void ttm_eu_fence_buffer_objects(struct ww_acquire_ctx *ticket, +void ttm_eu_fence_buffer_objects(struct reservation_context *ticket, struct list_head *list, struct dma_fence *fence) { @@ -208,10 +192,13 @@ void ttm_eu_fence_buffer_objects(struct ww_acquire_ctx *ticket, ttm_bo_add_to_lru(bo); else ttm_bo_move_to_lru_tail(bo, NULL); - reservation_object_unlock(bo->resv); + if (!ticket) + reservation_object_unlock(bo->resv); } spin_unlock(&glob->lru_lock); - if (ticket) - ww_acquire_fini(ticket); + if (ticket) { + reservation_context_unlock_all(ticket); + reservation_context_fini(ticket); + } } EXPORT_SYMBOL(ttm_eu_fence_buffer_objects); diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index b69ae10ca238..b69ac78079fd 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -221,7 +221,7 @@ struct virtio_gpu_fpriv { /* virtio_ioctl.c */ #define DRM_VIRTIO_NUM_IOCTLS 10 extern struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS]; -int virtio_gpu_object_list_validate(struct ww_acquire_ctx *ticket, +int virtio_gpu_object_list_validate(struct reservation_context *ticket, struct list_head *head); void virtio_gpu_unref_list(struct list_head *head); diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index 24ebe049baa8..7b7fafe4b1f7 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -54,7 +54,7 @@ static int virtio_gpu_map_ioctl(struct drm_device *dev, void *data, &virtio_gpu_map->offset); } -int virtio_gpu_object_list_validate(struct ww_acquire_ctx *ticket, +int virtio_gpu_object_list_validate(struct reservation_context *ticket, struct list_head *head) { struct ttm_operation_ctx ctx = { false, false }; @@ -114,7 +114,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data, struct list_head validate_list; struct ttm_validate_buffer *buflist = NULL; int i; - struct ww_acquire_ctx ticket; + struct reservation_context ticket; struct sync_file *sync_file; int in_fence_fd = exbuf->fence_fd; int out_fence_fd = -1; diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c index b2da31310d24..0d18e5c39357 100644 --- a/drivers/gpu/drm/virtio/virtgpu_object.c +++ b/drivers/gpu/drm/virtio/virtgpu_object.c @@ -142,7 +142,7 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev, struct virtio_gpu_fence_driver *drv = &vgdev->fence_drv; struct list_head validate_list; struct ttm_validate_buffer mainbuf; - struct ww_acquire_ctx ticket; + struct reservation_context ticket; unsigned long irq_flags; bool signaled; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index 1d38a8b2f2ec..94bd8033df4d 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -443,7 +443,7 @@ void vmw_resource_unreserve(struct vmw_resource *res, * reserved and validated backup buffer. */ static int -vmw_resource_check_buffer(struct ww_acquire_ctx *ticket, +vmw_resource_check_buffer(struct reservation_context *ticket, struct vmw_resource *res, bool interruptible, struct ttm_validate_buffer *val_buf) @@ -535,7 +535,7 @@ int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, * @val_buf: Backup buffer information. */ static void -vmw_resource_backoff_reservation(struct ww_acquire_ctx *ticket, +vmw_resource_backoff_reservation(struct reservation_context *ticket, struct ttm_validate_buffer *val_buf) { struct list_head val_list; @@ -558,7 +558,7 @@ vmw_resource_backoff_reservation(struct ww_acquire_ctx *ticket, * @res: The resource to evict. * @interruptible: Whether to wait interruptible. */ -static int vmw_resource_do_evict(struct ww_acquire_ctx *ticket, +static int vmw_resource_do_evict(struct reservation_context *ticket, struct vmw_resource *res, bool interruptible) { struct ttm_validate_buffer val_buf; @@ -822,7 +822,7 @@ static void vmw_resource_evict_type(struct vmw_private *dev_priv, struct vmw_resource *evict_res; unsigned err_count = 0; int ret; - struct ww_acquire_ctx ticket; + struct reservation_context ticket; do { spin_lock(&dev_priv->resource_lock); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.h b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.h index 1d2322ad6fd5..ded66b3e0c4c 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.h @@ -77,7 +77,7 @@ struct vmw_validation_context { struct list_head resource_ctx_list; struct list_head bo_list; struct list_head page_list; - struct ww_acquire_ctx ticket; + struct reservation_context ticket; struct mutex *res_mutex; unsigned int merge_dups; unsigned int mem_size_left; diff --git a/include/drm/ttm/ttm_execbuf_util.h b/include/drm/ttm/ttm_execbuf_util.h index 7e46cc678e7e..82c7a25a70be 100644 --- a/include/drm/ttm/ttm_execbuf_util.h +++ b/include/drm/ttm/ttm_execbuf_util.h @@ -52,20 +52,20 @@ struct ttm_validate_buffer { /** * function ttm_eu_backoff_reservation * - * @ticket: ww_acquire_ctx from reserve call + * @ticket: reservation_context from reserve call * @list: thread private list of ttm_validate_buffer structs. * * Undoes all buffer validation reservations for bos pointed to by * the list entries. */ -extern void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket, +extern void ttm_eu_backoff_reservation(struct reservation_context *ticket, struct list_head *list); /** * function ttm_eu_reserve_buffers * - * @ticket: [out] ww_acquire_ctx filled in by call, or NULL if only + * @ticket: [out] reservation_context filled in by caller, or NULL if only * non-blocking reserves should be tried. * @list: thread private list of ttm_validate_buffer structs. * @intr: should the wait be interruptible @@ -97,14 +97,14 @@ extern void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket, * has failed. */ -extern int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket, +extern int ttm_eu_reserve_buffers(struct reservation_context *ticket, struct list_head *list, bool intr, struct list_head *dups, bool del_lru); /** * function ttm_eu_fence_buffer_objects. * - * @ticket: ww_acquire_ctx from reserve call + * @ticket: reservation_context from reserve call * @list: thread private list of ttm_validate_buffer structs. * @fence: The new exclusive fence for the buffers. * @@ -114,7 +114,7 @@ extern int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket, * */ -extern void ttm_eu_fence_buffer_objects(struct ww_acquire_ctx *ticket, +extern void ttm_eu_fence_buffer_objects(struct reservation_context *ticket, struct list_head *list, struct dma_fence *fence); 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