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57a75c3ba632a0300b932ce574ea3caab8275f4c
linux-nvgpu/drivers/gpu/nvgpu/gk20a
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Deepak Nibade 505b442551 gpu: nvgpu: acquire mutex for notifier read 
We use &ch->error_notifier_mutex to protect
writes and free of error notifier
But we currently do not protect reading of
notifier in gk20a_fifo_set_ctx_mmu_error()
and vgpu_fifo_set_ctx_mmu_error()

Add new API gk20a_set_error_notifier_locked()
which is same as gk20a_set_error_notifier()
but without the locks.

In *_fifo_set_ctx_mmu_error() APIs, acquire
the mutex explicitly, and then use this new
API

gk20a_set_error_notifier() will now just call
gk20a_set_error_notifier_locked() within
a mutex

Bug 1824788
Bug 1844312

Change-Id: I1f3831dc63fe1daa761b2e17e4de3c155f505d6f
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1273471
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
2016-12-27 01:24:35 -08:00
..
as_gk20a.c
gpu: nvgpu: Remove BUG_ON from _IOC_SIZE checks
2016-12-19 15:40:25 -08:00
as_gk20a.h
gpu: nvgpu: User-space managed address space support
2015-11-18 09:45:07 -08:00
bitmap_allocator_priv.h
gpu: nvgpu: bitmap allocator optimization
2016-10-18 12:24:26 -07:00
buddy_allocator_priv.h
gpu: nvgpu: Implement carveout support in the buddy allocator
2016-09-20 14:56:39 -07:00
cde_gk20a.c
gpu: nvgpu: Fix signed comparison bugs
2016-11-16 21:35:36 -08:00
cde_gk20a.h
gpu: nvgpu: Fix signed comparison bugs
2016-11-16 21:35:36 -08:00
ce2_gk20a.c
gpu: nvgpu: Fix signed comparison bugs
2016-11-16 21:35:36 -08:00
ce2_gk20a.h
gpu: nvgpu: Add nvgpu infra to allow kernel to create privileged CE channels
2016-07-20 03:09:28 -07:00
channel_gk20a.c
gpu: nvgpu: acquire mutex for notifier read
2016-12-27 01:24:35 -08:00
channel_gk20a.h
gpu: nvgpu: acquire mutex for notifier read
2016-12-27 01:24:35 -08:00
channel_sync_gk20a.c
gpu: nvgpu: Store pending sema waits
2016-12-19 15:40:19 -08:00
channel_sync_gk20a.h
gpu: nvgpu: Store pending sema waits
2016-12-19 15:40:19 -08:00
clk_gk20a.c
gpu: nvgpu: Enable signed versus non-signed errors
2016-12-08 10:11:28 -08:00
clk_gk20a.h
gpu: nvgpu: read effective frequency from counter
2016-12-09 20:24:10 -08:00
css_gr_gk20a.c
gpu: nvgpu: vgpu: cyclestat snapshot support
2016-09-08 16:04:09 -07:00
css_gr_gk20a.h
gpu: nvgpu: vgpu: cyclestat snapshot support
2016-09-08 16:04:09 -07:00
ctrl_gk20a.c
gpu: nvgpu: Remove BUG_ON from _IOC_SIZE checks
2016-12-19 15:40:25 -08:00
ctrl_gk20a.h
gpu: nvgpu: rename gpu ioctls and structs to nvgpu
2015-03-18 12:11:33 -07:00
ctxsw_trace_gk20a.c
gpu: nvgpu: Remove BUG_ON from _IOC_SIZE checks
2016-12-19 15:40:25 -08:00
ctxsw_trace_gk20a.h
gpu: nvgpu: Add checks for tracing enabled
2016-05-23 14:48:02 -07:00
dbg_gpu_gk20a.c
gpu: nvgpu: gk20a: Allow regops lists longer than 128
2016-12-26 00:03:59 -08:00
dbg_gpu_gk20a.h
gpu: nvgpu: move dbg_session_ops to gops
2016-07-30 11:29:20 -07:00
debug_gk20a.c
gpu: nvgpu: Fix signed comparison bugs
2016-11-16 21:35:36 -08:00
debug_gk20a.h
gpu: nvgpu: unify nvgpu and pci probe
2016-09-08 09:43:51 -07:00
fb_gk20a.c
gpu: nvgpu: Fix signed comparison bugs
2016-11-16 21:35:36 -08:00
fb_gk20a.h
gpu: nvgpu: Reset FB also in gm20b
2015-07-03 19:00:22 -07:00
fecs_trace_gk20a.c
gpu: nvgpu: do not flush FECS record on engine reset
2016-08-29 16:14:40 -07:00
fecs_trace_gk20a.h
gpu: nvgpu: Add support for FECS ctxsw tracing
2016-03-23 07:48:47 -07:00
fence_gk20a.c
gpu: nvgpu: Fix signed comparison bugs
2016-11-16 21:35:36 -08:00
fence_gk20a.h
gpu: nvgpu: Fix signed comparison bugs
2016-11-16 21:35:36 -08:00
fifo_gk20a.c
gpu: nvgpu: acquire mutex for notifier read
2016-12-27 01:24:35 -08:00
fifo_gk20a.h
gpu: nvgpu: Fix signed comparison bugs
2016-11-16 21:35:36 -08:00
gk20a_allocator_bitmap.c
gpu: nvgpu: Remove global debugfs variable
2016-10-26 11:10:01 -07:00
gk20a_allocator_buddy.c
gpu: nvgpu: Remove global debugfs variable
2016-10-26 11:10:01 -07:00
gk20a_allocator_lockless.c
gpu: nvgpu: Remove global debugfs variable
2016-10-26 11:10:01 -07:00
gk20a_allocator_page.c
gpu: nvgpu: Fix coverity defect in page allocator
2016-12-20 16:46:33 -08:00
gk20a_allocator.c
gpu: nvgpu: Remove global debugfs variable
2016-10-26 11:10:01 -07:00
gk20a_allocator.h
gpu: nvgpu: Remove global debugfs variable
2016-10-26 11:10:01 -07:00
gk20a_gating_reglist.c
gpu: nvgpu: gk20a: update slcg prod values
2015-09-21 16:41:55 -07:00
gk20a_gating_reglist.h
gpu: nvgpu: gm20b: Regenerate clock gating lists
2015-03-18 12:11:09 -07:00
gk20a_scale.c
gpu: nvgpu: store last_freq in gk20a struct
2016-12-14 12:38:32 -08:00
gk20a_scale.h
gpu: nvgpu: move freq clipping to target function
2016-11-16 21:34:54 -08:00
gk20a_sysfs.c
gpu: nvgpu: fix build break
2016-12-20 16:57:01 -08:00
gk20a.c
gpu: nvgpu: set driver unload flag in shutdown
2016-12-27 00:33:33 -08:00
gk20a.h
gpu: nvgpu: gk20a: Allow regops lists longer than 128
2016-12-26 00:03:59 -08:00
gr_ctx_gk20a_sim.c
gpu: nvgpu: program sw veid bundles
2016-10-14 08:11:19 -07:00
gr_ctx_gk20a.c
gpu: nvgpu: Fix double freeing of PM FBPA area
2016-11-11 08:21:08 -08:00
gr_ctx_gk20a.h
gpu: nvgpu: Full chip support for ctxsw
2016-07-22 15:10:22 -07:00
gr_gk20a.c
gpu: nvgpu: copy data into channel context header
2016-12-20 15:15:13 -08:00
gr_gk20a.h
gpu: nvgpu: chip specific channel commit_inst
2016-11-30 09:19:23 -08:00
gr_pri_gk20a.h
gpu: nvgpu: FBPA broadcast support
2016-11-17 17:24:39 -08:00
hal_gk20a.c
gpu: nvgpu: hardcode gk20a/gm20b fbpa values
2016-11-22 12:58:02 -08:00
hal_gk20a.h
gpu: nvgpu: Add class numbers to characteristics
2015-03-18 12:12:06 -07:00
hal.c
gpu: nvgpu: Support third GPU version on T18x
2016-06-13 07:39:56 -07:00
hal.h
gpu: nvgpu: Add NVIDIA GPU Driver
2015-03-18 12:08:53 -07:00
hw_bus_gk20a.h
gpu: nvgpu: add PRAMIN support for mem accessors
2016-05-24 12:39:06 -07:00
hw_ccsr_gk20a.h
gpu: nvgpu: Use sysmem aperture for SoC memory
2016-04-15 08:50:34 -07:00
hw_ce2_gk20a.h
gpu: nvgpu: enable ce2 interrupts
2015-04-04 18:02:35 -07:00
hw_ctxsw_prog_gk20a.h
gpu: nvgpu: add accessors for global_esr values and sm_dbgr_control
2016-04-19 08:08:07 -07:00
hw_fb_gk20a.h
gpu: nvgpu: Program NISO sysmem flush addr
2016-04-25 08:16:10 -07:00
hw_fifo_gk20a.h
gpu: nvgpu: check engine ctx_status in wait_idle
2016-10-19 10:49:04 -07:00
hw_flush_gk20a.h
gpu: nvgpu: Do not use G_ELPG_FLUSH
2015-11-10 10:33:39 -08:00
hw_gmmu_gk20a.h
gpu: ngpu: add support for vidmem in page tables
2016-07-04 23:12:29 -07:00
hw_gr_gk20a.h
gpu: nvgpu: select target based on aperture
2016-09-15 12:24:31 -07:00
hw_ltc_gk20a.h
gpu: nvgpu: hwpm broadcast register support
2016-05-19 15:58:24 -07:00
hw_mc_gk20a.h
gpu: nvgpu: Ensure memory subsystem is enabled
2015-04-04 18:08:03 -07:00
hw_pbdma_gk20a.h
gpu: nvgpu: Use sysmem aperture for SoC memory
2016-04-15 08:50:34 -07:00
hw_perf_gk20a.h
gpu: nvgpu: cyclestats mode E snapshots support
2015-06-06 07:23:24 -07:00
hw_pram_gk20a.h
gpu: nvgpu: add PRAMIN support for mem accessors
2016-05-24 12:39:06 -07:00
hw_pri_ringmaster_gk20a.h
gpu: nvgpu: Add NVIDIA GPU Driver
2015-03-18 12:08:53 -07:00
hw_pri_ringstation_fbp_gk20a.h
gpu: nvgpu: Add NVIDIA GPU Driver
2015-03-18 12:08:53 -07:00
hw_pri_ringstation_gpc_gk20a.h
gpu: nvgpu: Add NVIDIA GPU Driver
2015-03-18 12:08:53 -07:00
hw_pri_ringstation_sys_gk20a.h
gpu: nvgpu: Add NVIDIA GPU Driver
2015-03-18 12:08:53 -07:00
hw_proj_gk20a.h
gpu: nvgpu: Full chip support for ctxsw
2016-07-22 15:10:22 -07:00
hw_pwr_gk20a.h
gpu: nvgpu: Use sysmem aperture for SoC memory
2016-04-15 08:50:34 -07:00
hw_ram_gk20a.h
gpu: nvgpu: Use sysmem aperture for SoC memory
2016-04-15 08:50:34 -07:00
hw_sim_gk20a.h
gpu: nvgpu: Add NVIDIA GPU Driver
2015-03-18 12:08:53 -07:00
hw_therm_gk20a.h
gpu: nvgpu: add support for therm gate ctrl
2016-01-27 09:53:31 -08:00
hw_timer_gk20a.h
gpu: nvgpu: Add support for FECS ctxsw tracing
2016-03-23 07:48:47 -07:00
hw_top_gk20a.h
gpu: nvgpu: Add multiple engine and runlist support
2016-06-07 12:31:34 -07:00
hw_trim_gk20a.h
gpu: nvgpu: Sync gk20a and gm20b headers
2015-03-18 12:11:52 -07:00
kind_gk20a.c
gpu: nvgpu: Use noinline_for_stack to avoid GCOV build break
2015-03-18 12:10:41 -07:00
kind_gk20a.h
gpu: nvgpu: Add NVIDIA GPU Driver
2015-03-18 12:08:53 -07:00
lockless_allocator_priv.h
gpu: nvgpu: implement lockless allocator
2016-09-20 10:43:40 -07:00
ltc_common.c
gpu: nvgpu: Add gpu_dbg_map_v message type
2016-08-30 10:04:23 -07:00
ltc_gk20a.c
gpu: nvgpu: add check for is_fmodel
2016-07-27 14:32:54 -07:00
ltc_gk20a.h
gpu: nvgpu: Add class numbers to characteristics
2015-03-18 12:12:06 -07:00
mc_gk20a.c
gpu: nvgpu: Add multiple engine and runlist support
2016-06-07 12:31:34 -07:00
mc_gk20a.h
gpu: nvgpu: Allow enabling/disabling MC interrupt
2015-03-18 12:12:31 -07:00
mm_gk20a.c
gpu: nvgpu: rename timeout_check to timeout_expired
2016-12-19 15:40:36 -08:00
mm_gk20a.h
gpu: nvgpu: make preemption modes unsigned
2016-12-21 08:46:11 -08:00
page_allocator_priv.h
gpu: nvgpu: SLAB allocation for page allocator
2016-10-18 12:24:33 -07:00
platform_gk20a_generic.c
gpu: nvgpu: Use device instead of platform_device
2016-04-08 09:42:41 -07:00
platform_gk20a_tegra.c
gpu: nvgpu: enable gm20b clk APIs for CCF
2016-12-02 05:39:04 -08:00
platform_gk20a.h
gpu: nvgpu: MSCG support
2016-12-25 22:20:09 -08:00
platform_vgpu_tegra.c
gpu: nvgpu: improve sync create/destroy logic
2016-09-20 10:43:35 -07:00
pmu_api.h
gpu: nvgpu: MSCG support
2016-12-25 22:20:09 -08:00
pmu_common.h
gpu: nvgpu: Add dGPU clocks support
2016-09-29 13:17:46 -07:00
pmu_gk20a.c
gpu: nvgpu: PG statistics update
2016-12-25 22:20:09 -08:00
pmu_gk20a.h
gpu: nvgpu: PG statistics update
2016-12-25 22:20:09 -08:00
priv_ring_gk20a.c
gpu: nvgpu: Move ELCG programming to therm
2016-10-19 20:43:50 -07:00
priv_ring_gk20a.h
gpu: nvgpu: Add NVIDIA GPU Driver
2015-03-18 12:08:53 -07:00
regops_gk20a.c
gpu: nvgpu: Fix signed comparison bugs
2016-11-16 21:35:36 -08:00
regops_gk20a.h
gpu: nvgpu: create new nvgpu ioctl header
2015-03-18 12:11:33 -07:00
sched_gk20a.c
gpu: nvgpu: Fix signed comparison bugs
2016-11-16 21:35:36 -08:00
sched_gk20a.h
gpu: nvgpu: add ref counting for GPU sched ctrl
2016-07-18 23:17:55 -07:00
semaphore_gk20a.c
gpu: nvgpu: Fix error handling of __semaphore_bitmap_alloc()
2016-08-31 14:04:12 -07:00
semaphore_gk20a.h
gpu: nvgpu: Allow semaphores to be force released
2016-12-19 15:40:03 -08:00
sim_gk20a.h
gpu: nvgpu: Support >32bit addresses in simulation
2015-06-01 08:16:28 -07:00
sync_gk20a.c
gpu: nvgpu: Fix signed comparison bugs
2016-11-16 21:35:36 -08:00
sync_gk20a.h
gpu: nvgpu: Greatly simplify the semaphore detection
2016-09-15 21:58:37 -07:00
therm_gk20a.c
gpu: nvgpu: Move ELCG programming to therm
2016-10-19 20:43:50 -07:00
therm_gk20a.h
gpu: nvgpu: Move ELCG programming to therm
2016-10-19 20:43:50 -07:00
tsg_gk20a.c
gpu: nvgpu: replace tsg list mutex with rwsem
2016-12-20 15:15:51 -08:00
tsg_gk20a.h
gpu: nvgpu: replace tsg list mutex with rwsem
2016-12-20 15:15:51 -08:00