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linux/drivers/gpu/drm/i915
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Matthew Auld a5dd8f5a50 drm/i915/selftests: don't leak the gem object 
For our fake dma objects we can leak the underlying gem object if we
fail to pin our "backing storage".

[   39.952618] =============================================================================
[   39.952625] BUG mock_object (Tainted: G     U         ): Objects remaining in mock_object on __kmem_cache_shutdown()
[   39.952629] -----------------------------------------------------------------------------

[   39.952633] Disabling lock debugging due to kernel taint
[   39.952635] INFO: Slab 0xffffea00086c6a00 objects=21 used=1 fp=0xffff88021b1abc00 flags=0x5fff8000008100
[   39.952640] CPU: 1 PID: 1258 Comm: drv_selftest Tainted: G    BU          4.10.0+ #46
[   39.952641] Hardware name: Apple Inc. MacBookPro11,1/Mac-189A3D4F975D5FFC, BIOS MBP111.88Z.0138.B17.1602221718 02/22/2016
[   39.952642] Call Trace:
[   39.952648]  dump_stack+0x4d/0x6f
[   39.952651]  slab_err+0x9d/0xb0
[   39.952654]  ? ksm_migrate_page+0xe0/0xe0
[   39.952657]  ? on_each_cpu_cond+0x9a/0xc0
[   39.952658]  ? __kmalloc+0x1af/0x1c0
[   39.952660]  ? __kmem_cache_shutdown+0x173/0x3e0
[   39.952661]  __kmem_cache_shutdown+0x196/0x3e0
[   39.952664]  kmem_cache_destroy+0xa0/0x150
[   39.952708]  mock_device_release+0x113/0x140 [i915]
[   39.952726]  drm_dev_release+0x20/0x40 [drm]
[   39.952735]  drm_dev_unref+0x23/0x30 [drm]
[   39.952768]  i915_gem_gtt_mock_selftests+0x55/0x70 [i915]
[   39.952803]  __run_selftests+0x169/0x1c0 [i915]
[   39.952805]  ? 0xffffffffa0151000
[   39.952840]  i915_mock_selftests+0x30/0x60 [i915]
[   39.952869]  i915_init+0xc/0x78 [i915]
[   39.952870]  ? 0xffffffffa0151000
[   39.952872]  do_one_initcall+0x43/0x170
[   39.952874]  ? __vunmap+0x81/0xd0
[   39.952875]  ? kmem_cache_alloc_trace+0x37/0x170
[   39.952877]  ? do_init_module+0x27/0x1f8
[   39.952879]  do_init_module+0x5f/0x1f8
[   39.952881]  load_module+0x2423/0x29b0
[   39.952882]  ? __symbol_put+0x40/0x40
[   39.952885]  ? kernel_read_file+0x1a3/0x1c0
[   39.952887]  SYSC_finit_module+0xbc/0xf0
[   39.952889]  SyS_finit_module+0xe/0x10
[   39.952892]  entry_SYSCALL_64_fastpath+0x13/0x94

v2: use onion teardown and favour i915_gem_object_put

Fixes: 8d28ba4568 ("drm/i915: Exercise filling the top/bottom portions of the ppgtt")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170306235414.23407-2-matthew.auld@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2017-03-09 08:42:26 +00:00
..
gvt Merge airlied/drm-next into drm-misc-next 2017-02-27 09:30:11 +01:00
selftests drm/i915/selftests: don't leak the gem object 2017-03-09 08:42:26 +00:00
dvo_ch7xxx.c
dvo_ch7017.c
dvo_ivch.c
dvo_ns2501.c
dvo_sil164.c
dvo_tfp410.c
dvo.h
i915_cmd_parser.c drm/i915: Consolidate checks for memcpy-from-wc support 2017-01-06 16:02:07 +00:00
i915_debugfs.c drm/i915: Use drm_connector_list_iter in debugfs 2017-03-08 23:42:40 +01:00
i915_drv.c Merge tag 'drm-intel-next-2017-03-06' of git://anongit.freedesktop.org/git/drm-intel into drm-next 2017-03-08 12:41:47 +10:00
i915_drv.h drm/i915: use for_each_intel_connector_iter in intel_display.c 2017-03-08 23:42:40 +01:00
i915_gem_batch_pool.c drm/i915: Use reservation_object_lock() 2017-02-21 12:48:51 +00:00
i915_gem_batch_pool.h
i915_gem_clflush.c drm/i915: Remove 'retire' parameter from intel_fb_obj_flush 2017-02-22 12:12:17 +00:00
i915_gem_clflush.h drm/i915: Perform object clflushing asynchronously 2017-02-22 12:12:15 +00:00
i915_gem_context.c drm/i915: Reduce context alignment 2017-02-27 16:01:47 +00:00
i915_gem_context.h drm/i915: Reduce context alignment 2017-02-27 16:01:47 +00:00
i915_gem_dmabuf.c Merge tag 'drm-intel-next-2017-03-06' of git://anongit.freedesktop.org/git/drm-intel into drm-next 2017-03-08 12:41:47 +10:00
i915_gem_evict.c drm/i915: Remove i915_address_space.start 2017-02-15 10:07:32 +00:00
i915_gem_execbuffer.c drm/i915: Drop spinlocks around adding to the client request list 2017-03-02 22:33:41 +00:00
i915_gem_fence_reg.c drm/i915: Take rpm wakelock for releasing the fence on unbind 2017-03-06 14:38:18 +00:00
i915_gem_fence_reg.h drm/i915: Replace 4096 with PAGE_SIZE or I915_GTT_PAGE_SIZE 2017-01-10 20:54:32 +00:00
i915_gem_gtt.c drm/i915/gtt: Setup vm callbacks late 2017-03-03 16:46:44 +02:00
i915_gem_gtt.h drm/i915: Avoid using word legacy with ppgtt 2017-03-03 16:46:23 +02:00
i915_gem_internal.c Linux 4.10-rc8 2017-02-23 12:10:12 +10:00
i915_gem_object.h drm/i915: Purge i915_gem_object_is_dead() 2017-03-08 20:42:18 +00:00
i915_gem_render_state.c scripts/spelling.txt: add "aligment" pattern and fix typo instances 2017-02-27 18:43:46 -08:00
i915_gem_render_state.h
i915_gem_request.c Merge tag 'drm-intel-next-2017-03-06' of git://anongit.freedesktop.org/git/drm-intel into drm-next 2017-03-08 12:41:47 +10:00
i915_gem_request.h drm/i915: Check for an invalid seqno before __i915_gem_request_started 2017-03-08 20:47:07 +00:00
i915_gem_shrinker.c drm/i915: Prevent concurrent tiling/framebuffer modifications 2017-03-01 17:57:17 +00:00
i915_gem_stolen.c drm/i915/gvt: Disable access to stolen memory as a guest 2017-02-16 11:59:13 +02:00
i915_gem_tiling.c drm/i915: Prevent concurrent tiling/framebuffer modifications 2017-03-01 17:57:17 +00:00
i915_gem_timeline.c drm/i915: Assert all timeline requests are gone before fini 2017-01-05 15:34:40 +00:00
i915_gem_timeline.h drm/i915: Keep a global seqno per-engine 2017-02-23 14:49:26 +00:00
i915_gem_userptr.c drm/i915/userptr: Disallow wrapping GTT into a userptr 2017-03-09 07:31:14 +00:00
i915_gem.c drm/i915: Avoiding recursing on ww_mutex inside shrinker 2017-03-08 20:42:17 +00:00
i915_gem.h drm/i915: Rename conditional GEM execution macros 2017-02-10 21:43:43 +00:00
i915_gpu_error.c drm/i915: Split breadcrumbs spinlock into two 2017-03-03 20:19:13 +00:00
i915_guc_reg.h drm/i915/huc: Add HuC fw loading support 2017-01-19 11:18:55 +02:00
i915_guc_submission.c drm/i915/guc: Disable irq for __i915_guc_submit wq_lock 2017-03-02 15:18:55 +00:00
i915_ioc32.c
i915_irq.c Merge tag 'drm-intel-next-2017-03-06' of git://anongit.freedesktop.org/git/drm-intel into drm-next 2017-03-08 12:41:47 +10:00
i915_memcpy.c
i915_mm.c
i915_oa_hsw.c
i915_oa_hsw.h
i915_params.c drm/i915: Enable atomic support by default on supported platforms. 2017-02-09 15:56:45 +01:00
i915_params.h drm/i915: Use bool i915_param.alpha_support 2017-02-06 22:37:33 +00:00
i915_pci.c drm/i915: Provide a hook for selftests 2017-02-13 20:45:21 +00:00
i915_perf.c drm/i915: s/assert_spin_locked/lockdep_assert_held/ 2017-03-02 15:18:55 +00:00
i915_pvinfo.h
i915_reg.h Merge tag 'drm-intel-next-2017-03-06' of git://anongit.freedesktop.org/git/drm-intel into drm-next 2017-03-08 12:41:47 +10:00
i915_selftest.h drm/i915: Use fault-injection to force the shrinker to run in live GTT tests 2017-02-13 20:46:32 +00:00
i915_suspend.c
i915_sw_fence.c gpu: drm: drivers: Convert printk(KERN_<LEVEL> to pr_<level> 2017-03-01 09:44:11 +01:00
i915_sw_fence.h
i915_sysfs.c drm/i915: The return of i915_gpu_info to debugfs 2017-02-14 22:30:22 +00:00
i915_trace_points.c
i915_trace.h drm/i915: Add FIFO underrun tracepoints 2017-03-03 16:50:11 +02:00
i915_utils.h drm/i915: Sanity check the computed size and base of stolen memory 2017-01-31 11:19:23 +00:00
i915_vgpu.c drm/i915: Remove i915_address_space.start 2017-02-15 10:07:32 +00:00
i915_vgpu.h
i915_vma.c drm/i915: Remove the vma from the drm_mm if binding fails 2017-02-27 13:10:12 +00:00
i915_vma.h drm/i915: Exercise i915_vma_pin/i915_vma_insert 2017-02-13 20:46:41 +00:00
intel_acpi.c
intel_atomic_plane.c drm/i915: Add plane update/disable tracepoints 2017-03-03 16:50:10 +02:00
intel_atomic.c drm/i915: Skip useless watermark/FIFO related work on VLV/CHV when not needed 2017-03-03 16:50:10 +02:00
intel_audio.c Merge tag 'drm-intel-next-2017-03-06' of git://anongit.freedesktop.org/git/drm-intel into drm-next 2017-03-08 12:41:47 +10:00
intel_bios.c drm/i915: Use range_overflows() 2017-01-06 16:02:11 +00:00
intel_bios.h
intel_breadcrumbs.c Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next-queued 2017-03-08 10:54:45 +01:00
intel_cdclk.c drm/i915: remove potentially confusing IS_G4X checks 2017-03-07 14:58:47 -03:00
intel_color.c drm/i915/glk: Load the degamma LUT even in legacy gamma mode 2017-02-17 17:14:28 +02:00
intel_crt.c drm/i915: Store encoder power domain in struct intel_encoder 2017-02-27 09:07:51 +02:00
intel_csr.c drm/i915/: DMC 1.04 for Geminilake 2017-03-07 09:55:46 +02:00
intel_ddi.c drm/i915: Remove duplicate DDI enabling logic from MST path 2017-03-03 12:32:37 +02:00
intel_device_info.c drm/i915: use BUILD_BUG_ON to ensure platform name has been set up 2017-03-01 13:11:24 +02:00
intel_display.c drm/i915: Fix up verify_encoder_state 2017-03-08 23:42:40 +01:00
intel_dp_aux_backlight.c
intel_dp_link_training.c Revert "drm/i915: Implement Link Rate fallback on Link training failure" 2017-03-02 09:17:16 +01:00
intel_dp_mst.c drm/i915: Remove duplicate DDI enabling logic from MST path 2017-03-03 12:32:37 +02:00
intel_dp.c Revert "drm/i915: Implement Link Rate fallback on Link training failure" 2017-03-02 09:17:16 +01:00
intel_dpio_phy.c
intel_dpll_mgr.c Linux 4.10-rc8 2017-02-23 12:10:12 +10:00
intel_dpll_mgr.h drm/i915: Remove unused function intel_ddi_get_link_dpll() 2017-02-10 11:40:27 +02:00
intel_drv.h drm/i915: Plumb drm_framebuffer into more places 2017-03-08 16:35:56 +02:00
intel_dsi_dcs_backlight.c
intel_dsi_pll.c drm/i915/glk: Validate only DSI PORT A PLL divider 2017-02-28 11:54:52 +02:00
intel_dsi_vbt.c drm/i915/dsi: rename intel_dsi_panel_vbt.c to intel_dsi_vbt.c 2017-03-07 15:18:24 +02:00
intel_dsi.c drm/i915/dsi: rename intel_dsi_pre_disable to intel_dsi_disable 2017-03-07 15:18:13 +02:00
intel_dsi.h drm/i915/dsi: arrange intel_dsi.h according to relevant files 2017-03-07 15:18:43 +02:00
intel_dvo.c drm/i915: Store encoder power domain in struct intel_encoder 2017-02-27 09:07:51 +02:00
intel_engine_cs.c drm/i915: Don't use enums for hardware engine id 2017-03-03 22:54:21 +00:00
intel_fbc.c drm/i915: Suppress fbc suggestion to increase stolen if disabled 2017-02-23 22:48:30 +00:00
intel_fbdev.c drm/i915: Plumb drm_framebuffer into more places 2017-03-08 16:35:56 +02:00
intel_fifo_underrun.c drm/i915: Add FIFO underrun tracepoints 2017-03-03 16:50:11 +02:00
intel_frontbuffer.c drm/i915: Remove 'retire' parameter from intel_fb_obj_flush 2017-02-22 12:12:17 +00:00
intel_frontbuffer.h drm/i915: Remove 'retire' parameter from intel_fb_obj_flush 2017-02-22 12:12:17 +00:00
intel_guc_fwif.h drm/i915/huc: Support HuC authentication 2017-01-19 11:19:07 +02:00
intel_guc_loader.c drm/i915/guc: Don't take struct_mutex for object unreference 2017-02-14 22:30:22 +00:00
intel_guc_log.c drm/i915/guc: Move GuC log related functions into dedicated file 2017-01-18 07:29:04 +00:00
intel_gvt.c drm/i915: make intel_gvt_init() later instead of too early 2017-02-07 17:21:06 +08:00
intel_gvt.h
intel_hangcheck.c drm/i915: Add initial selftests for hang detection and resets 2017-02-13 20:46:53 +00:00
intel_hdmi.c Merge tag 'drm-intel-next-2017-03-06' of git://anongit.freedesktop.org/git/drm-intel into drm-next 2017-03-08 12:41:47 +10:00
intel_hotplug.c drm/i915: use drm_connector_list_iter in intel_hotplug.c 2017-03-08 23:42:40 +01:00
intel_huc.c i915/HuC: Add an extra check for platforms that do not have HUC 2017-03-02 16:15:44 +02:00
intel_i2c.c drm/i915: Introduce IS_GEN9_BC for Skylake and Kabylake. 2017-01-24 10:29:00 -08:00
intel_lpe_audio.c drm/i915: Enable VLV audio chicken bit for LPE audio 2017-02-03 16:19:08 +01:00
intel_lrc.c drm/i915: Avoid using word legacy with ppgtt 2017-03-03 16:46:23 +02:00
intel_lrc.h drm/i915: Generalise wait for execlists to be idle 2017-03-03 13:08:15 +00:00
intel_lspcon.c drm/i915/lspcon: Fix resume time initialization due to unasserted HPD 2017-02-16 11:59:10 +02:00
intel_lvds.c drm/i915: Store encoder power domain in struct intel_encoder 2017-02-27 09:07:51 +02:00
intel_mocs.c drm/i915: Emit to ringbuffer directly 2017-02-14 14:30:46 +00:00
intel_mocs.h
intel_modes.c
intel_opregion.c drm/i915: use drm_connector_list_iter in intel_opregion.c 2017-03-08 23:42:40 +01:00
intel_overlay.c drm/i915: Emit to ringbuffer directly 2017-02-14 14:30:46 +00:00
intel_panel.c drm/i915: Start moving the cdclk stuff into a distinct state structure 2017-02-08 18:07:10 +02:00
intel_pipe_crc.c Merge tag 'drm-intel-next-2017-03-06' of git://anongit.freedesktop.org/git/drm-intel into drm-next 2017-03-08 12:41:47 +10:00
intel_pm.c drm/i915: Add cxsr toggle tracepoint 2017-03-03 16:50:11 +02:00
intel_psr.c drm/i915/psr: Fix compiler warnings for hsw_psr_disable() 2017-01-18 10:25:01 +00:00
intel_renderstate_gen6.c
intel_renderstate_gen7.c
intel_renderstate_gen8.c
intel_renderstate_gen9.c
intel_renderstate.h
intel_ringbuffer.c drm/i915: Reduce context alignment 2017-02-27 16:01:47 +00:00
intel_ringbuffer.h drm/i915: Don't use enums for hardware engine id 2017-03-03 22:54:21 +00:00
intel_runtime_pm.c drm/i915: Only enable DDI IO power domains after enabling DPLL 2017-02-27 09:09:14 +02:00
intel_sdvo_regs.h
intel_sdvo.c drm/i915: Store encoder power domain in struct intel_encoder 2017-02-27 09:07:51 +02:00
intel_sideband.c drm/i915: Distinguish between timeout and error in sideband transactions 2017-02-27 17:22:19 +00:00
intel_sprite.c drm/i915: suppress atomic commit error message under gvt-g env 2017-03-08 13:23:29 +02:00
intel_tv.c drm/i915: Store encoder power domain in struct intel_encoder 2017-02-27 09:07:51 +02:00
intel_uc.c drm/i915/guc: Move GuC log related functions into dedicated file 2017-01-18 07:29:04 +00:00
intel_uc.h drm/i915/huc: Support HuC authentication 2017-01-19 11:19:07 +02:00
intel_uncore.c drm/i915: s/assert_spin_locked/lockdep_assert_held/ 2017-03-02 15:18:55 +00:00
intel_vbt_defs.h
Kconfig drm/i915: Support explicit fencing for execbuf 2017-01-27 19:55:48 +00:00
Kconfig.debug drm/i915/tracepoints: Add request submit and execute tracepoints 2017-02-21 13:18:14 +00:00
Makefile Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next-queued 2017-03-08 10:54:45 +01:00