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42dd235cb15c06c8446f9aed695648a3c2eb8d11
linux/drivers/gpu/drm/i915/gt
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Matthew Brost a63bcf08f0 drm/i915: Fix syncmap memory leak 
A small race exists between intel_gt_retire_requests_timeout and
intel_timeline_exit which could result in the syncmap not getting
free'd. Rather than work to hard to seal this race, simply cleanup the
syncmap on fini.

unreferenced object 0xffff88813bc53b18 (size 96):
  comm "gem_close_race", pid 5410, jiffies 4294917818 (age 1105.600s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 0a 00 00 00  ................
    00 00 00 00 00 00 00 00 6b 6b 6b 6b 06 00 00 00  ........kkkk....
  backtrace:
    [<00000000120b863a>] __sync_alloc_leaf+0x1e/0x40 [i915]
    [<00000000042f6959>] __sync_set+0x1bb/0x240 [i915]
    [<0000000090f0e90f>] i915_request_await_dma_fence+0x1c7/0x400 [i915]
    [<0000000056a48219>] i915_request_await_object+0x222/0x360 [i915]
    [<00000000aaac4ee3>] i915_gem_do_execbuffer+0x1bd0/0x2250 [i915]
    [<000000003c9d830f>] i915_gem_execbuffer2_ioctl+0x405/0xce0 [i915]
    [<00000000fd7a8e68>] drm_ioctl_kernel+0xb0/0xf0 [drm]
    [<00000000e721ee87>] drm_ioctl+0x305/0x3c0 [drm]
    [<000000008b0d8986>] __x64_sys_ioctl+0x71/0xb0
    [<0000000076c362a4>] do_syscall_64+0x33/0x80
    [<00000000eb7a4831>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Fixes: 531958f6f3 ("drm/i915/gt: Track timeline activeness in enter/exit")
Cc: <stable@vger.kernel.org>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210730195342.110234-1-matthew.brost@intel.com
(cherry picked from commit faf890985e)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2021-08-26 07:31:52 -04:00
..
selftests
…
shaders
drm/i915: Include asm sources for {ivb, hsw}_clear_kernel.c
2020-06-29 11:29:12 +03:00
uc
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
debugfs_engines.c
drm/i915/gt: allow setting generic data pointer
2020-03-26 21:20:51 +00:00
debugfs_engines.h
…
debugfs_gt_pm.c
drm/i915/gt: Add remaining conversions to GRAPHICS_VER
2021-06-05 15:09:28 -07:00
debugfs_gt_pm.h
…
debugfs_gt.c
drm/i915/gt: Add some missing blank lines after declaration
2021-03-24 19:30:35 +01:00
debugfs_gt.h
drm/i915/gt: allow setting generic data pointer
2020-03-26 21:20:51 +00:00
gen2_engine_cs.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
gen2_engine_cs.h
drm/i915/gt: Split low level gen2-7 CS emitters
2020-06-02 10:42:00 +01:00
gen6_engine_cs.c
drm/i915: Do not share hwsp across contexts any more, v8.
2021-03-24 11:38:56 +01:00
gen6_engine_cs.h
drm/i915/gt: Split low level gen2-7 CS emitters
2020-06-02 10:42:00 +01:00
gen6_ppgtt.c
drm/i915: drop the __i915_active_call pointer packing
2021-05-05 11:36:23 +01:00
gen6_ppgtt.h
drm/i915/gt: Replace unnecessary ',' with '; '
2021-03-24 19:30:35 +01:00
gen6_renderstate.c
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
gen7_renderclear.c
drm/i915/gt: Disable HiZ Raw Stall Optimization on broken gen7
2021-05-18 08:56:53 -04:00
gen7_renderclear.h
drm/i915/gen7: Clear all EU/L3 residual contexts
2020-03-06 08:59:06 +00:00
gen7_renderstate.c
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
gen8_engine_cs.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
gen8_engine_cs.h
drm/i915/gt: Move gen8 CS emitters into gen8_engine_cs.h
2020-12-16 15:55:43 +00:00
gen8_ppgtt.c
drm/i915/gtt: drop the page table optimisation
2021-07-14 08:46:18 -04:00
gen8_ppgtt.h
drm/i915/xelpd: First stab at DPT support
2021-05-07 11:13:01 +03:00
gen8_renderstate.c
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
gen9_renderstate.c
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
hsw_clear_kernel.c
drm/i915/gen7: Clear all EU/L3 residual contexts
2020-03-06 08:59:06 +00:00
intel_breadcrumbs_types.h
drm/i915/gt: Shrink the critical section for irq signaling
2020-12-24 15:02:39 +00:00
intel_breadcrumbs.c
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_breadcrumbs.h
drm/i915/gt: Restore ce->signal flush before releasing virtual engine
2021-01-08 21:35:55 +00:00
intel_context_param.c
drm/i915: Allow userspace to specify ringsize on construction
2020-02-25 19:23:19 +00:00
intel_context_param.h
drm/i915: Fail too long user submissions by default
2021-03-26 01:01:27 +01:00
intel_context_sseu.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_context_types.h
Merge tag 'drm-intel-gt-next-2021-04-06' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2021-04-08 12:46:12 +10:00
intel_context.c
drm/i915: drop the __i915_active_call pointer packing
2021-05-05 11:36:23 +01:00
intel_context.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_engine_cs.c
drm/i915: Use the correct IRQ during resume
2021-07-06 15:10:58 -04:00
intel_engine_heartbeat.c
Merge tag 'drm-intel-gt-next-2021-04-06' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2021-04-08 12:46:12 +10:00
intel_engine_heartbeat.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_engine_pm.c
drm/i915: Update the helper to set correct mapping
2021-04-27 16:21:11 +01:00
intel_engine_pm.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_engine_stats.h
drm/i915/gt: Convert stats.active to plain unsigned int
2021-01-15 21:30:24 +00:00
intel_engine_types.h
drm/i915/gt: Add remaining conversions to GRAPHICS_VER
2021-06-05 15:09:28 -07:00
intel_engine_user.c
Merge tag 'drm-next-2021-04-28' of git://anongit.freedesktop.org/drm/drm
2021-04-28 10:01:40 -07:00
intel_engine_user.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_engine.h
drm/i915/gt: Move submission_method into intel_gt
2021-05-25 15:14:24 +02:00
intel_execlists_submission.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_execlists_submission.h
drm/i915/gt: Move submission_method into intel_gt
2021-05-25 15:14:24 +02:00
intel_ggtt_fencing.c
drm/i915/gt: Fix -EDEADLK handling regression
2021-07-13 15:56:21 -04:00
intel_ggtt_fencing.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_ggtt.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_gpu_commands.h
gpu: drm: replace occurrences of invalid character
2021-05-19 12:39:08 -04:00
intel_gt_buffer_pool_types.h
Merge tag 'drm-intel-gt-next-2021-04-06' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2021-04-08 12:46:12 +10:00
intel_gt_buffer_pool.c
drm/i915: drop the __i915_active_call pointer packing
2021-05-05 11:36:23 +01:00
intel_gt_buffer_pool.h
drm/i915: Defer pin calls in buffer pool until first use by caller.
2021-03-24 17:27:20 +01:00
intel_gt_clock_utils.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_gt_clock_utils.h
drm/i915/gt: Consolidate the CS timestamp clocks
2020-12-23 21:10:41 +00:00
intel_gt_irq.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_gt_irq.h
drm/i915/gt: Move CS interrupt handler to the backend
2021-05-25 15:14:40 +02:00
intel_gt_pm_irq.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_gt_pm_irq.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_gt_pm.c
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_gt_pm.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_gt_requests.c
Merge tag 'drm-intel-gt-next-2021-04-06' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2021-04-08 12:46:12 +10:00
intel_gt_requests.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_gt_types.h
drm/i915/gt: Move submission_method into intel_gt
2021-05-25 15:14:24 +02:00
intel_gt.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_gt.h
Merge tag 'drm-intel-gt-next-2021-04-06' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2021-04-08 12:46:12 +10:00
intel_gtt.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_gtt.h
Merge tag 'drm-intel-gt-next-2021-06-10' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2021-06-11 13:37:34 +10:00
intel_llc_types.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_llc.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_llc.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_lrc_reg.h
drm/i915/gt: Wrap macro arg in ()
2021-03-24 19:30:35 +01:00
intel_lrc.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_lrc.h
drm/i915/gt: Exercise lrc_wa_ctx initialisation failure
2021-01-09 16:02:57 +00:00
intel_mocs.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_mocs.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_ppgtt.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_rc6_types.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_rc6.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_rc6.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_region_lmem.c
drm/i915/ttm Initialize the ttm device and memory managers
2021-06-02 13:21:24 +01:00
intel_region_lmem.h
drm/i915: setup the LMEM region
2021-03-24 19:30:36 +01:00
intel_renderstate.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_renderstate.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_reset_types.h
drm/i915/gt: Remove repeated words from comments
2021-03-24 19:30:35 +01:00
intel_reset.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_reset.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_ring_submission.c
drm/i915: Use the correct IRQ during resume
2021-07-06 15:10:58 -04:00
intel_ring_types.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_ring.c
drm/i915: Update the helper to set correct mapping
2021-04-27 16:21:11 +01:00
intel_ring.h
drm/i915/gt: Add some missing blank lines after declaration
2021-03-24 19:30:35 +01:00
intel_rps_types.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_rps.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_rps.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_sseu_debugfs.c
drm/i915/gt: Add remaining conversions to GRAPHICS_VER
2021-06-05 15:09:28 -07:00
intel_sseu_debugfs.h
drm/i915: Move sseu debugfs under gt/
2020-07-08 21:40:15 +01:00
intel_sseu.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_sseu.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_timeline_types.h
Merge tag 'drm-intel-gt-next-2021-04-06' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2021-04-08 12:46:12 +10:00
intel_timeline.c
drm/i915: Fix syncmap memory leak
2021-08-26 07:31:52 -04:00
intel_timeline.h
Merge tag 'drm-intel-gt-next-2021-04-06' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2021-04-08 12:46:12 +10:00
intel_workarounds_types.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_workarounds.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
intel_workarounds.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
ivb_clear_kernel.c
drm/i915/gen7: Clear all EU/L3 residual contexts
2020-03-06 08:59:06 +00:00
mock_engine.c
drm/i915: drop the __i915_active_call pointer packing
2021-05-05 11:36:23 +01:00
mock_engine.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
selftest_context.c
drm/i915: Update the helper to set correct mapping
2021-04-27 16:21:11 +01:00
selftest_engine_cs.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
selftest_engine_heartbeat.c
drm/i915: drop the __i915_active_call pointer packing
2021-05-05 11:36:23 +01:00
selftest_engine_heartbeat.h
drm/i915/selftests: Enable selftesting of busy-stats
2020-06-18 09:26:53 +01:00
selftest_engine_pm.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
selftest_engine.c
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
selftest_engine.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
selftest_execlists.c
drm/i915/selftests: Reorder tasklet_disable vs local_bh_disable
2021-06-15 04:37:14 -04:00
selftest_gt_pm.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
selftest_hangcheck.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
selftest_llc.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
selftest_llc.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
selftest_lrc.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
selftest_mocs.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
selftest_rc6.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
selftest_rc6.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
selftest_reset.c
drm/i915/selftests: Prepare the selftests for engine resets with ring submission
2021-01-19 11:55:13 +00:00
selftest_ring_submission.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
selftest_ring.c
drm/i915/gt: Incrementally check for rewinding
2020-06-16 11:34:23 +03:00
selftest_rps.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
selftest_rps.h
drm/i915/gt: Fix up clock frequency
2020-04-27 17:34:33 +01:00
selftest_timeline.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
selftest_workarounds.c
drm/i915/gt: replace IS_GEN and friends with GRAPHICS_VER
2021-06-05 15:09:06 -07:00
shmem_utils.c
drm/i915/dg1: Fix mapping type for default state object
2021-04-27 16:19:52 +01:00
shmem_utils.h
drm/i915/gt: Keep a no-frills swappable copy of the default context state
2020-04-29 19:02:37 +01:00
st_shmem_utils.c
drm/i915/gt: Keep a no-frills swappable copy of the default context state
2020-04-29 19:02:37 +01:00
sysfs_engines.c
drm/i915/gt: Cleanup kasan warning for on-stack (unsigned long) casting
2020-10-16 11:08:44 +01:00
sysfs_engines.h
drm/i915/gt: Expose engine properties via sysfs
2020-02-28 22:03:19 +00:00