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66940061a5
linux/drivers/gpu/drm/i915
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Chris Wilson 66940061a5 drm/i915/gt: Protect signaler walk with RCU 
While we know that the waiters cannot disappear as we walk our list
(only that they might be added), the same cannot be said for our
signalers as they may be completed by the HW and retired as we process
this request. Ergo we need to use rcu to protect the list iteration and
remember to mark up the list_del_rcu.

v2: Mark the deps as safe-for-rcu

Fixes: 793c226173 ("drm/i915/gt: Protect execlists_hold/unhold from new waiters")
Fixes: 32ff621fd7 ("drm/i915/gt: Allow temporary suspension of inflight requests")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200220075025.1539375-1-chris@chris-wilson.co.uk
2020-02-20 13:27:23 +00:00
..
display drm/i915/dp: Add all tiled and port sync conns to modeset 2020-02-20 13:55:02 +05:30
gem drm/i915/gem: use spinlock_t instead of struct spinlock 2020-02-19 15:08:49 +02:00
gt drm/i915/gt: Protect signaler walk with RCU 2020-02-20 13:27:23 +00:00
gvt Merge drm/drm-next into drm-intel-next-queued 2020-02-07 17:47:43 -08:00
oa drm/i915: reimplement header test feature 2020-01-02 12:24:10 +02:00
selftests drm/i915/gt: Rename i915_gem_restore_ggtt_mappings() for its new placement 2020-01-30 21:35:37 +00:00
.gitignore drm/i915: reimplement header test feature 2020-01-02 12:24:10 +02:00
i915_active_types.h drm/i915: Serialise i915_active_fence_set() with itself 2019-11-27 17:02:14 +00:00
i915_active.c drm/i915: Hold reference to previous active fence as we queue 2020-02-03 11:25:39 +00:00
i915_active.h drm/i915: Use the async worker to avoid reclaim tainting the ggtt->mutex 2020-01-30 21:35:43 +00:00
i915_buddy.c drn/i915: Break up long i915_buddy_free_list() with a cond_resched() 2019-12-30 12:10:38 +00:00
i915_buddy.h
i915_cmd_parser.c drm/i915/cmd_parser: conversion to struct drm_device logging macros. 2020-02-04 11:29:40 +02:00
i915_debugfs_params.c drm/i915: Include the debugfs params header for its own definition 2020-01-17 13:00:16 +00:00
i915_debugfs_params.h drm/i915/params: add i915 parameters to debugfs 2020-01-15 15:10:16 +02:00
i915_debugfs.c drm/i915: split out display debugfs to a separate file 2020-02-14 13:26:51 +02:00
i915_debugfs.h drm/i915: split out display debugfs to a separate file 2020-02-14 13:26:51 +02:00
i915_drv.c drm/i915: split i915_driver_modeset_remove() to pre/post irq uninstall 2020-02-19 15:16:30 +02:00
i915_drv.h drm/i915: Read rawclk_freq earlier 2020-02-19 14:09:18 +00:00
i915_fixed.h
i915_gem_evict.c drm/i915: Ignore most failures during evict-vm 2019-12-05 13:50:39 +00:00
i915_gem_fence_reg.c drm/i915: conversion to drm_device logging macros when drm_i915_private is present. 2020-02-04 11:29:27 +02:00
i915_gem_fence_reg.h
i915_gem_gtt.c drm/i915: conversion to drm_device logging macros when drm_i915_private is present. 2020-02-04 11:29:27 +02:00
i915_gem_gtt.h drm/i915/gtt: split up i915_gem_gtt 2020-01-07 19:27:36 +00:00
i915_gem.c drm/i915: Never allow userptr into the new mapping types 2020-02-08 11:26:03 +00:00
i915_gem.h i915 features for v5.6: 2019-12-27 15:25:04 +10:00
i915_getparam.c drm/i915: Introduce DRM_I915_GEM_MMAP_OFFSET 2019-12-04 15:11:44 +00:00
i915_globals.c drm/i915: Ratelimit i915_globals_park 2019-12-18 17:38:56 +00:00
i915_globals.h
i915_gpu_error.c drm/i915: Update drm/i915 bug filing URL 2020-02-17 11:16:05 +02:00
i915_gpu_error.h drm/i915: Track hw reported context runtime 2020-02-16 15:16:22 +00:00
i915_ioc32.c
i915_irq.c drm/i915: Sprinkle missing commas 2020-02-04 23:33:39 +02:00
i915_irq.h
i915_memcpy.c drm/i915: Align start for memcpy_from_wc 2019-12-11 22:40:41 +00:00
i915_memcpy.h drm/i915: Align start for memcpy_from_wc 2019-12-11 22:40:41 +00:00
i915_mm.c drm/i915/gem: Extend mmap support for lmem 2020-01-04 17:57:46 +00:00
i915_params.c drm/i915: Remove 'prefault_disable' modparam 2020-01-27 11:45:35 +00:00
i915_params.h drm/i915: Mark i915.reset as unsigned 2020-02-05 18:51:52 +00:00
i915_pci.c drm/i915: Fix force-probe failure message 2020-02-07 17:12:21 +00:00
i915_perf_types.h drm/i915/perf: Register sysctl path globally 2019-12-13 20:16:23 +00:00
i915_perf.c drm/i915: conversion to drm_device logging macros when drm_i915_private is present. 2020-02-04 11:29:27 +02:00
i915_perf.h drm/i915/perf: Register sysctl path globally 2019-12-13 20:16:23 +00:00
i915_pmu.c drm/i915: Make WARN* drm specific where drm_priv ptr is available 2020-01-22 17:54:33 +02:00
i915_pmu.h drm/i915/pmu: Ensure monotonic rc6 2019-12-23 14:17:22 +02:00
i915_priolist_types.h
i915_pvinfo.h
i915_query.c drm/i915/query: Align flavour of engine data lookup 2019-11-25 15:08:24 +02:00
i915_query.h
i915_reg.h drm/i915/debugfs: Remove i915_energy_uJ 2020-02-08 11:26:03 +00:00
i915_request.c drm/i915: remove the other slab_dependencies 2020-02-20 12:11:31 +00:00
i915_request.h drm/i915: Fix typo in kerneldoc function name 2020-01-17 13:20:18 +00:00
i915_scatterlist.c
i915_scatterlist.h
i915_scheduler_types.h
i915_scheduler.c drm/i915/gt: Protect signaler walk with RCU 2020-02-20 13:27:23 +00:00
i915_scheduler.h drm/i915: Use a ctor for TYPESAFE_BY_RCU i915_request 2019-11-22 10:47:38 +00:00
i915_selftest.h
i915_suspend.c
i915_suspend.h
i915_sw_fence_work.c drm/i915: Unpin vma->obj on early error 2019-12-18 10:13:03 +00:00
i915_sw_fence_work.h
i915_sw_fence.c drm/i915/gem: Don't leak non-persistent requests on changing engines 2020-02-11 21:58:39 +00:00
i915_sw_fence.h drm/i915/gem: Don't leak non-persistent requests on changing engines 2020-02-11 21:58:39 +00:00
i915_switcheroo.c
i915_switcheroo.h
i915_syncmap.c
i915_syncmap.h
i915_sysfs.c drm/i915: conversion to drm_device logging macros when drm_i915_private is present. 2020-02-04 11:29:27 +02:00
i915_sysfs.h
i915_trace_points.c
i915_trace.h drm/i915/trace: i915_request.prio is a signed value 2020-01-28 15:53:36 +00:00
i915_user_extensions.c
i915_user_extensions.h
i915_utils.c drm/i915: Update drm/i915 bug filing URL 2020-02-17 11:16:05 +02:00
i915_utils.h drm/i915: Improve i915_inject_probe_error macro 2019-12-12 12:35:17 +00:00
i915_vgpu.c drm/i915: conversion to new logging macros in i915/i915_vgpu.c 2020-01-17 17:41:33 +02:00
i915_vgpu.h
i915_vma_types.h drm/i915/gtt: split up i915_gem_gtt 2020-01-07 19:27:36 +00:00
i915_vma.c drm/i915: Hold reference to previous active fence as we queue 2020-02-03 11:25:39 +00:00
i915_vma.h drm/i915: Use the async worker to avoid reclaim tainting the ggtt->mutex 2020-01-30 21:35:43 +00:00
intel_device_info.c drm/i915: Read rawclk_freq earlier 2020-02-19 14:09:18 +00:00
intel_device_info.h drm/i915: Read rawclk_freq earlier 2020-02-19 14:09:18 +00:00
intel_gvt.c drm/i915: convert to new logging macros in i915/intel_gvt.c 2020-01-17 17:44:19 +02:00
intel_gvt.h
intel_memory_region.c drm/i915: convert to new logging macros in i915/intel_memory_region.c 2020-01-17 17:44:19 +02:00
intel_memory_region.h drm/i915: lookup for mem_region of a mem_type 2020-01-05 01:08:09 +00:00
intel_pch.c drm/i915: Make WARN* drm specific where drm_priv ptr is available 2020-01-22 17:54:33 +02:00
intel_pch.h
intel_pm.c drm/i915: Correctly map DBUF slices to pipes 2020-02-05 19:22:11 +02:00
intel_pm.h drm/i915: Manipulate DBuf slices properly 2020-02-05 19:19:23 +02:00
intel_region_lmem.c drm/i915/lmem: use new struct drm_device based logging macros. 2020-01-10 16:11:04 +02:00
intel_region_lmem.h
intel_runtime_pm.c
intel_runtime_pm.h
intel_sideband.c drm/i915: Make WARN* drm specific where drm_priv ptr is available 2020-01-22 17:54:33 +02:00
intel_sideband.h
intel_uncore.c drm/i915: Make WARN* drm specific where uncore or stream ptr is available 2020-01-22 17:57:39 +02:00
intel_uncore.h
intel_wakeref.c drm/i915/gt: Flush ongoing retires during wait_for_idle 2020-01-03 00:33:07 +00:00
intel_wakeref.h drm/i915/gt: Flush ongoing retires during wait_for_idle 2020-01-03 00:33:07 +00:00
intel_wopcm.c
intel_wopcm.h
Kconfig drm/i915: Update drm/i915 bug filing URL 2020-02-17 11:16:05 +02:00
Kconfig.debug Merge drm/drm-next into drm-intel-next-queued 2019-12-11 11:13:50 +02:00
Kconfig.profile drm/i915: Default to a more lenient forced preemption timeout 2019-11-27 10:12:14 +02:00
Kconfig.unstable
Makefile drm/i915: split out vlv/chv specific suspend/resume code 2020-02-17 11:29:35 +02:00
vlv_suspend.c drm/i915: switch vlv_suspend to use intel uncore register accessors 2020-02-17 11:29:51 +02:00
vlv_suspend.h drm/i915: split out vlv/chv specific suspend/resume code 2020-02-17 11:29:35 +02:00