From bcc634f4a8f10a851dd3d8429ea28998351ca843 Mon Sep 17 00:00:00 2001 From: Christian König Date: Tue, 16 Feb 2016 16:23:02 +0100 Subject: drm/amdgpu: cleanup the sync code MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit No need for two functions doing the same, remove one and add comments what those functions actually do. Signed-off-by: Christian König Reviewed-by: Alex Deucher Reviewed-by: Chunming Zhou --- drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | 48 ++++++++++++++++++++------------ 1 file changed, 30 insertions(+), 18 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c index c15be00de904..87690cc57206 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c @@ -50,6 +50,14 @@ void amdgpu_sync_create(struct amdgpu_sync *sync) sync->last_vm_update = NULL; } +/** + * amdgpu_sync_same_dev - test if fence belong to us + * + * @adev: amdgpu device to use for the test + * @f: fence to test + * + * Test if the fence was issued by us. + */ static bool amdgpu_sync_same_dev(struct amdgpu_device *adev, struct fence *f) { struct amdgpu_fence *a_fence = to_amdgpu_fence(f); @@ -68,17 +76,33 @@ static bool amdgpu_sync_same_dev(struct amdgpu_device *adev, struct fence *f) return false; } -static bool amdgpu_sync_test_owner(struct fence *f, void *owner) +/** + * amdgpu_sync_get_owner - extract the owner of a fence + * + * @fence: fence get the owner from + * + * Extract who originally created the fence. + */ +static void *amdgpu_sync_get_owner(struct fence *f) { struct amdgpu_fence *a_fence = to_amdgpu_fence(f); struct amd_sched_fence *s_fence = to_amd_sched_fence(f); + if (s_fence) - return s_fence->owner == owner; - if (a_fence) - return a_fence->owner == owner; - return false; + return s_fence->owner; + else if (a_fence) + return a_fence->owner; + return AMDGPU_FENCE_OWNER_UNDEFINED; } +/** + * amdgpu_sync_keep_later - Keep the later fence + * + * @keep: existing fence to test + * @fence: new fence + * + * Either keep the existing fence or the new one, depending which one is later. + */ static void amdgpu_sync_keep_later(struct fence **keep, struct fence *fence) { if (*keep && fence_is_later(*keep, fence)) @@ -104,7 +128,7 @@ int amdgpu_sync_fence(struct amdgpu_device *adev, struct amdgpu_sync *sync, return 0; if (amdgpu_sync_same_dev(adev, f) && - amdgpu_sync_test_owner(f, AMDGPU_FENCE_OWNER_VM)) + amdgpu_sync_get_owner(f) == AMDGPU_FENCE_OWNER_VM) amdgpu_sync_keep_later(&sync->last_vm_update, f); hash_for_each_possible(sync->fences, e, node, f->context) { @@ -124,18 +148,6 @@ int amdgpu_sync_fence(struct amdgpu_device *adev, struct amdgpu_sync *sync, return 0; } -static void *amdgpu_sync_get_owner(struct fence *f) -{ - struct amdgpu_fence *a_fence = to_amdgpu_fence(f); - struct amd_sched_fence *s_fence = to_amd_sched_fence(f); - - if (s_fence) - return s_fence->owner; - else if (a_fence) - return a_fence->owner; - return AMDGPU_FENCE_OWNER_UNDEFINED; -} - /** * amdgpu_sync_resv - sync to a reservation object * -- cgit From 336d1f5efe93db3d997a6d105760dd613d7ecdce Mon Sep 17 00:00:00 2001 From: Christian König Date: Tue, 16 Feb 2016 10:57:10 +0100 Subject: drm/amdgpu: remove HW fence owner MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Not used any more since we now always use the sheduler. Signed-off-by: Christian König Reviewed-by: Alex Deucher Reviewed-by: Chunming Zhou --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 9 ++------- drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 6 +----- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 6 ++---- drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | 8 +------- drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 3 +-- drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 7 ++----- drivers/gpu/drm/amd/amdgpu/cik_sdma.c | 3 +-- drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 3 +-- drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 6 ++---- drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c | 3 +-- drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 3 +-- 12 files changed, 16 insertions(+), 43 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 11a9f5899995..fab6ddb26b5b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -409,9 +409,6 @@ struct amdgpu_fence { struct amdgpu_ring *ring; uint64_t seq; - /* filp or special value for fence creator */ - void *owner; - wait_queue_t fence_wake; }; @@ -432,8 +429,7 @@ int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring, unsigned irq_type); void amdgpu_fence_driver_suspend(struct amdgpu_device *adev); void amdgpu_fence_driver_resume(struct amdgpu_device *adev); -int amdgpu_fence_emit(struct amdgpu_ring *ring, void *owner, - struct amdgpu_fence **fence); +int amdgpu_fence_emit(struct amdgpu_ring *ring, struct amdgpu_fence **fence); void amdgpu_fence_process(struct amdgpu_ring *ring); int amdgpu_fence_wait_next(struct amdgpu_ring *ring); int amdgpu_fence_wait_empty(struct amdgpu_ring *ring); @@ -1177,8 +1173,7 @@ int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm, unsigned size, struct amdgpu_ib *ib); void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib); int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, - struct amdgpu_ib *ib, void *owner, - struct fence *last_vm_update, + struct amdgpu_ib *ib, struct fence *last_vm_update, struct fence **f); int amdgpu_ib_pool_init(struct amdgpu_device *adev); void amdgpu_ib_pool_fini(struct amdgpu_device *adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 97db196dc6f8..d94b13ac290f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -91,25 +91,21 @@ static u32 amdgpu_fence_read(struct amdgpu_ring *ring) * amdgpu_fence_emit - emit a fence on the requested ring * * @ring: ring the fence is associated with - * @owner: creator of the fence * @fence: amdgpu fence object * * Emits a fence command on the requested ring (all asics). * Returns 0 on success, -ENOMEM on failure. */ -int amdgpu_fence_emit(struct amdgpu_ring *ring, void *owner, - struct amdgpu_fence **fence) +int amdgpu_fence_emit(struct amdgpu_ring *ring, struct amdgpu_fence **fence) { struct amdgpu_device *adev = ring->adev; - /* we are protected by the ring emission mutex */ *fence = kmem_cache_alloc(amdgpu_fence_slab, GFP_KERNEL); if ((*fence) == NULL) { return -ENOMEM; } (*fence)->seq = ++ring->fence_drv.sync_seq; (*fence)->ring = ring; - (*fence)->owner = owner; fence_init(&(*fence)->base, &amdgpu_fence_ops, &ring->fence_drv.fence_queue.lock, adev->fence_context + ring->idx, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index 4e978e7aa1b8..9550247b030d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -101,7 +101,6 @@ void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib) * @adev: amdgpu_device pointer * @num_ibs: number of IBs to schedule * @ibs: IB objects to schedule - * @owner: owner for creating the fences * @f: fence created during this submission * * Schedule an IB on the associated ring (all asics). @@ -118,8 +117,7 @@ void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib) * to SI there was just a DE IB. */ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, - struct amdgpu_ib *ibs, void *owner, - struct fence *last_vm_update, + struct amdgpu_ib *ibs, struct fence *last_vm_update, struct fence **f) { struct amdgpu_device *adev = ring->adev; @@ -183,7 +181,7 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, amdgpu_ring_emit_hdp_invalidate(ring); } - r = amdgpu_fence_emit(ring, owner, &ib->fence); + r = amdgpu_fence_emit(ring, &ib->fence); if (r) { dev_err(adev->dev, "failed to emit fence (%d)\n", r); ring->current_ctx = old_ctx; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c index 90e52f7e17a0..692b45560d0a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c @@ -148,7 +148,7 @@ static struct fence *amdgpu_job_run(struct amd_sched_job *sched_job) } trace_amdgpu_sched_run_job(job); - r = amdgpu_ib_schedule(job->ring, job->num_ibs, job->ibs, job->owner, + r = amdgpu_ib_schedule(job->ring, job->num_ibs, job->ibs, job->sync.last_vm_update, &fence); if (r) { DRM_ERROR("Error scheduling IBs (%d)\n", r); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c index 87690cc57206..e3673422aac8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c @@ -60,12 +60,8 @@ void amdgpu_sync_create(struct amdgpu_sync *sync) */ static bool amdgpu_sync_same_dev(struct amdgpu_device *adev, struct fence *f) { - struct amdgpu_fence *a_fence = to_amdgpu_fence(f); struct amd_sched_fence *s_fence = to_amd_sched_fence(f); - if (a_fence) - return a_fence->ring->adev == adev; - if (s_fence) { struct amdgpu_ring *ring; @@ -85,13 +81,11 @@ static bool amdgpu_sync_same_dev(struct amdgpu_device *adev, struct fence *f) */ static void *amdgpu_sync_get_owner(struct fence *f) { - struct amdgpu_fence *a_fence = to_amdgpu_fence(f); struct amd_sched_fence *s_fence = to_amd_sched_fence(f); if (s_fence) return s_fence->owner; - else if (a_fence) - return a_fence->owner; + return AMDGPU_FENCE_OWNER_UNDEFINED; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index 1de82bf4fc79..e5f0a5e29551 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -886,8 +886,7 @@ static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo, ib->length_dw = 16; if (direct) { - r = amdgpu_ib_schedule(ring, 1, ib, - AMDGPU_FENCE_OWNER_UNDEFINED, NULL, &f); + r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f); if (r) goto err_free; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c index 39c3aa60381a..6d191fb40b38 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c @@ -425,8 +425,7 @@ int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, for (i = ib->length_dw; i < ib_size_dw; ++i) ib->ptr[i] = 0x0; - r = amdgpu_ib_schedule(ring, 1, ib, AMDGPU_FENCE_OWNER_UNDEFINED, - NULL, &f); + r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f); if (r) goto err; @@ -487,9 +486,7 @@ int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, ib->ptr[i] = 0x0; if (direct) { - r = amdgpu_ib_schedule(ring, 1, ib, - AMDGPU_FENCE_OWNER_UNDEFINED, - NULL, &f); + r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f); if (r) goto err; diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c index c4101ebd2b3f..b5b4220a6141 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c @@ -643,8 +643,7 @@ static int cik_sdma_ring_test_ib(struct amdgpu_ring *ring) ib.ptr[3] = 1; ib.ptr[4] = 0xDEADBEEF; ib.length_dw = 5; - r = amdgpu_ib_schedule(ring, 1, &ib, AMDGPU_FENCE_OWNER_UNDEFINED, - NULL, &f); + r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f); if (r) goto err1; diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index 1b713009c5d2..46c2436d74bd 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -2136,8 +2136,7 @@ static int gfx_v7_0_ring_test_ib(struct amdgpu_ring *ring) ib.ptr[2] = 0xDEADBEEF; ib.length_dw = 3; - r = amdgpu_ib_schedule(ring, 1, &ib, AMDGPU_FENCE_OWNER_UNDEFINED, - NULL, &f); + r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f); if (r) goto err2; diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index aeb35f504999..e0b64de9b5af 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -706,8 +706,7 @@ static int gfx_v8_0_ring_test_ib(struct amdgpu_ring *ring) ib.ptr[2] = 0xDEADBEEF; ib.length_dw = 3; - r = amdgpu_ib_schedule(ring, 1, &ib, AMDGPU_FENCE_OWNER_UNDEFINED, - NULL, &f); + r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f); if (r) goto err2; @@ -1262,8 +1261,7 @@ static int gfx_v8_0_do_edc_gpr_workarounds(struct amdgpu_device *adev) ib.ptr[ib.length_dw++] = EVENT_TYPE(7) | EVENT_INDEX(4); /* shedule the ib on the ring */ - r = amdgpu_ib_schedule(ring, 1, &ib, AMDGPU_FENCE_OWNER_UNDEFINED, - NULL, &f); + r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f); if (r) { DRM_ERROR("amdgpu: ib submit failed (%d).\n", r); goto fail; diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c index 134d5d0bb77f..747ef558033a 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c @@ -701,8 +701,7 @@ static int sdma_v2_4_ring_test_ib(struct amdgpu_ring *ring) ib.ptr[7] = SDMA_PKT_HEADER_OP(SDMA_OP_NOP); ib.length_dw = 8; - r = amdgpu_ib_schedule(ring, 1, &ib, AMDGPU_FENCE_OWNER_UNDEFINED, - NULL, &f); + r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f); if (r) goto err1; diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c index ca12d6faa8c2..11a544fbf197 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c @@ -853,8 +853,7 @@ static int sdma_v3_0_ring_test_ib(struct amdgpu_ring *ring) ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); ib.length_dw = 8; - r = amdgpu_ib_schedule(ring, 1, &ib, AMDGPU_FENCE_OWNER_UNDEFINED, - NULL, &f); + r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f); if (r) goto err1; -- cgit From 257bf15a4b9795f8b352beb6e72a7e3e5aab8d27 Mon Sep 17 00:00:00 2001 From: Christian König Date: Tue, 16 Feb 2016 11:24:58 +0100 Subject: drm/amdgpu: add slap cache for sync objects as well MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We need them all the time. Signed-off-by: Christian König Reviewed-by: Alex Deucher Reviewed-by: Chunming Zhou --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 ++ drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 2 ++ drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | 36 ++++++++++++++++++++++++++++---- 3 files changed, 36 insertions(+), 4 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index fab6ddb26b5b..3e4ec56919c7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -634,6 +634,8 @@ int amdgpu_sync_resv(struct amdgpu_device *adev, struct fence *amdgpu_sync_get_fence(struct amdgpu_sync *sync); int amdgpu_sync_wait(struct amdgpu_sync *sync); void amdgpu_sync_free(struct amdgpu_sync *sync); +int amdgpu_sync_init(void); +void amdgpu_sync_fini(void); /* * GART structures, functions & helpers diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index ce79a8b605a0..875333bb4e45 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -539,6 +539,7 @@ static struct pci_driver amdgpu_kms_pci_driver = { static int __init amdgpu_init(void) { + amdgpu_sync_init(); #ifdef CONFIG_VGA_CONSOLE if (vgacon_text_force()) { DRM_ERROR("VGACON disables amdgpu kernel modesetting.\n"); @@ -563,6 +564,7 @@ static void __exit amdgpu_exit(void) amdgpu_amdkfd_fini(); drm_pci_exit(driver, pdriver); amdgpu_unregister_atpx_handler(); + amdgpu_sync_fini(); } module_init(amdgpu_init); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c index e3673422aac8..c48b4fce5e57 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c @@ -37,6 +37,8 @@ struct amdgpu_sync_entry { struct fence *fence; }; +static struct kmem_cache *amdgpu_sync_slab; + /** * amdgpu_sync_create - zero init sync object * @@ -133,7 +135,7 @@ int amdgpu_sync_fence(struct amdgpu_device *adev, struct amdgpu_sync *sync, return 0; } - e = kmalloc(sizeof(struct amdgpu_sync_entry), GFP_KERNEL); + e = kmem_cache_alloc(amdgpu_sync_slab, GFP_KERNEL); if (!e) return -ENOMEM; @@ -214,7 +216,7 @@ struct fence *amdgpu_sync_get_fence(struct amdgpu_sync *sync) f = e->fence; hash_del(&e->node); - kfree(e); + kmem_cache_free(amdgpu_sync_slab, e); if (!fence_is_signaled(f)) return f; @@ -237,7 +239,7 @@ int amdgpu_sync_wait(struct amdgpu_sync *sync) hash_del(&e->node); fence_put(e->fence); - kfree(e); + kmem_cache_free(amdgpu_sync_slab, e); } return 0; @@ -259,8 +261,34 @@ void amdgpu_sync_free(struct amdgpu_sync *sync) hash_for_each_safe(sync->fences, i, tmp, e, node) { hash_del(&e->node); fence_put(e->fence); - kfree(e); + kmem_cache_free(amdgpu_sync_slab, e); } fence_put(sync->last_vm_update); } + +/** + * amdgpu_sync_init - init sync object subsystem + * + * Allocate the slab allocator. + */ +int amdgpu_sync_init(void) +{ + amdgpu_sync_slab = kmem_cache_create( + "amdgpu_sync", sizeof(struct amdgpu_sync_entry), 0, + SLAB_HWCACHE_ALIGN, NULL); + if (!amdgpu_sync_slab) + return -ENOMEM; + + return 0; +} + +/** + * amdgpu_sync_fini - fini sync object subsystem + * + * Free the slab allocator. + */ +void amdgpu_sync_fini(void) +{ + kmem_cache_destroy(amdgpu_sync_slab); +} -- cgit