Chris Wilson 4aea5a9e65 drm/i915/gem: Mark up the racy read of the mmap_singleton ... [11057.642683] BUG: KCSAN: data-race in i915_gem_mmap [i915] / singleton_release [i915] [11057.642717] [11057.642740] write (marked) to 0xffff8881f24471a0 of 8 bytes by task 44668 on cpu 2: [11057.643162] singleton_release+0x38/0x60 [i915] [11057.643192] __fput+0x160/0x3c0 [11057.643217] ____fput+0x16/0x20 [11057.643241] task_work_run+0xba/0x100 [11057.643263] exit_to_usermode_loop+0xe4/0xf0 [11057.643286] do_syscall_64+0x27e/0x2c0 [11057.643314] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [11057.643339] [11057.643359] read to 0xffff8881f24471a0 of 8 bytes by task 44667 on cpu 3: [11057.643774] i915_gem_mmap+0x295/0x670 [i915] [11057.643802] mmap_region+0x62b/0xac0 [11057.643825] do_mmap+0x414/0x6b0 [11057.643848] vm_mmap_pgoff+0xa9/0xf0 [11057.643875] ksys_mmap_pgoff+0x1ac/0x2f0 [11057.643900] do_syscall_64+0x6e/0x2c0 [11057.643924] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200311092624.10012-3-chris@chris-wilson.co.uk		2020-03-11 12:00:02 +00:00
..
display	drm/i915/overlay: convert to drm_device based logging.	2020-03-11 12:20:44 +02:00
gem	drm/i915/gem: Mark up the racy read of the mmap_singleton	2020-03-11 12:00:02 +00:00
gt	drm/i915/execlists: Track active elements during dequeue	2020-03-11 11:59:59 +00:00
gvt	Merge tag 'gvt-next-2020-03-10' of https://github.com/intel/gvt-linux into drm-intel-next-queued	2020-03-10 15:46:29 -07:00
oa
selftests	drm/i915/selftests: Apply a heavy handed flush to i915_active	2020-03-07 00:05:54 +00:00
.gitignore
i915_active_types.h
i915_active.c	drm/i915: Extend i915_request_await_active to use all timelines	2020-03-11 10:54:59 +00:00
i915_active.h	drm/i915: Extend i915_request_await_active to use all timelines	2020-03-11 10:54:59 +00:00
i915_buddy.c	drm/i915/buddy: avoid double list_add	2020-03-06 14:33:08 +00:00
i915_buddy.h
i915_cmd_parser.c
i915_debugfs_params.c
i915_debugfs_params.h
i915_debugfs.c	drm/i915: Remove debugfs i915_drpc_info and i915_forcewake_domains	2020-03-11 09:47:12 +00:00
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/gvt: only include intel_gvt.h where needed	2020-03-03 17:47:07 +02:00
i915_drv.h	drm/i915/hotplug: Use phy to get the hpd_pin instead of the port (v5)	2020-03-06 14:31:14 -08:00
i915_fixed.h
i915_gem_evict.c	drm/i915: Drop inspection of execbuf flags during evict	2020-03-03 21:52:51 +00:00
i915_gem_fence_reg.c	drm/i915/vgpu: improve vgpu abstractions	2020-03-03 17:46:54 +02:00
i915_gem_fence_reg.h
i915_gem_gtt.c	drm/i915: significantly reduce the use of <drm/i915_drm.h>	2020-02-27 08:35:09 +02:00
i915_gem_gtt.h
i915_gem.c	drm/i915: significantly reduce the use of <drm/i915_drm.h>	2020-02-27 08:35:09 +02:00
i915_gem.h
i915_getparam.c
i915_globals.c
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	drm/i915: add i915_ioc32.h for compat	2020-03-02 13:32:37 +02:00
i915_ioc32.h	drm/i915: add i915_ioc32.h for compat	2020-03-02 13:32:37 +02:00
i915_irq.c	drm/i915/crc: move pipe_crc from drm_i915_private to intel_crtc	2020-03-02 12:58:26 +02:00
i915_irq.h
i915_memcpy.c
i915_memcpy.h
i915_mm.c
i915_params.c
i915_params.h
i915_pci.c	drm/i915: significantly reduce the use of <drm/i915_drm.h>	2020-02-27 08:35:09 +02:00
i915_perf_types.h	drm/i915/perf: Reintroduce wait on OA configuration completion	2020-03-02 20:34:18 +00:00
i915_perf.c	drm/i915/perf: Reintroduce wait on OA configuration completion	2020-03-02 20:34:18 +00:00
i915_perf.h
i915_pmu.c	drm/i915/pmu: Avoid using globals for PMU events	2020-02-21 17:31:15 +00:00
i915_pmu.h	drm/i915: significantly reduce the use of <drm/i915_drm.h>	2020-02-27 08:35:09 +02:00
i915_priolist_types.h
i915_pvinfo.h
i915_query.c
i915_query.h
i915_reg.h	drm/i915: Fix readout of PIPEGCMAX	2020-03-09 22:11:36 +02:00
i915_request.c	drm/i915: Mark up racy read of active rq->engine	2020-03-10 23:12:38 +00:00
i915_request.h	drm/i915: Defer semaphore priority bumping to a workqueue	2020-03-10 23:12:38 +00:00
i915_scatterlist.c
i915_scatterlist.h
i915_scheduler_types.h
i915_scheduler.c	drm/i915: Tweak scheduler's kick_submission()	2020-03-10 23:12:38 +00:00
i915_scheduler.h
i915_selftest.h
i915_suspend.c	drm/i915: significantly reduce the use of <drm/i915_drm.h>	2020-02-27 08:35:09 +02:00
i915_suspend.h
i915_sw_fence_work.c
i915_sw_fence_work.h
i915_sw_fence.c
i915_sw_fence.h
i915_switcheroo.c
i915_switcheroo.h
i915_syncmap.c
i915_syncmap.h
i915_sysfs.c	drm/i915/gt: Expose engine properties via sysfs	2020-02-28 22:03:19 +00:00
i915_sysfs.h
i915_trace_points.c
i915_trace.h
i915_user_extensions.c
i915_user_extensions.h
i915_utils.c	drm/i915: Force DPCD backlight mode on X1 Extreme 2nd Gen 4K AMOLED panel	2020-03-03 20:34:32 -05:00
i915_utils.h	drm/i915/gt: Mark up racy check of last list element	2020-03-09 18:23:59 +00:00
i915_vgpu.c	drm/i915/vgpu: improve vgpu abstractions	2020-03-03 17:46:54 +02:00
i915_vgpu.h	drm/i915/vgpu: improve vgpu abstractions	2020-03-03 17:46:54 +02:00
i915_vma_types.h	drm/i915/gem: Extract transient execbuf flags from i915_vma	2020-03-03 21:52:51 +00:00
i915_vma.c	drm/i915: Extend i915_request_await_active to use all timelines	2020-03-11 10:54:59 +00:00
i915_vma.h
intel_device_info.c	drm/i915: significantly reduce the use of <drm/i915_drm.h>	2020-02-27 08:35:09 +02:00
intel_device_info.h	drm/i915: Read rawclk_freq earlier	2020-02-19 14:09:18 +00:00
intel_dram.c	drm/i915/dram: hide the dram structs better	2020-03-02 13:32:27 +02:00
intel_dram.h	drm/i915: split out intel_dram.[ch] from i915_drv.c	2020-02-27 09:16:01 +02:00
intel_gvt.c	drm/i915/gvt: make intel_gvt_active internal to intel_gvt	2020-03-03 17:47:03 +02:00
intel_gvt.h
intel_memory_region.c
intel_memory_region.h
intel_pch.c
intel_pch.h
intel_pm.c	drm/i915: Implement display w/a 1140 for glk/cnl	2020-03-05 15:53:33 +02:00
intel_pm.h
intel_region_lmem.c
intel_region_lmem.h
intel_runtime_pm.c
intel_runtime_pm.h
intel_sideband.c
intel_sideband.h
intel_uncore.c
intel_uncore.h
intel_wakeref.c
intel_wakeref.h
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
Kconfig.profile	drm/i915/gt: Expose heartbeat interval via sysfs	2020-02-28 22:03:49 +00:00
Kconfig.unstable
Makefile	drm/i915/gen7: Clear all EU/L3 residual contexts	2020-03-06 08:59:06 +00:00
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