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d0d8ef79d1238af94ad1c57a139e9afc563a2f35
linux-nvgpu/drivers/gpu/nvgpu/os/linux
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Sagar Kamble d0d8ef79d1 gpu: nvgpu: use READ_ONCE/WRITE_ONCE 
In the upstream kernel ACCESS_ONCE is now deprecated with reason as
given in the following related commit:

    commit 381f20fceba8e ("security: use READ_ONCE instead of deprecated
    ACCESS_ONCE")

    ACCESS_ONCE() does not work reliably on non-scalar types. For
    example gcc 4.6 and 4.7 might remove the volatile tag for such
    accesses during the SRA (scalar replacement of aggregates) step.

Replace usages of ACCESS_ONCE with READ_ONCE and WRITE_ONCE in nvgpu.

Bug 2834141

Change-Id: I9904c49e1a4d7b17ed2fe54360051d08595a2982
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2294096
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com>
Reviewed-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2020-12-15 14:13:28 -06:00
..
sdl
gpu: nvgpu: use GPL license for linux code
2020-12-15 14:10:29 -06:00
vgpu
gpu: nvgpu: Fix misra rule 5.1
2020-12-15 14:13:28 -06:00
bsearch.c
gpu: nvgpu: use GPL license for linux code
2020-12-15 14:10:29 -06:00
cde_gm20b.c
gpu: nvgpu: use GPL license for linux code
2020-12-15 14:10:29 -06:00
cde_gm20b.h
gpu: nvgpu: use GPL license for linux code
2020-12-15 14:10:29 -06:00
cde_gp10b.c
gpu: nvgpu: use GPL license for linux code
2020-12-15 14:10:29 -06:00
cde_gp10b.h
gpu: nvgpu: use GPL license for linux code
2020-12-15 14:10:29 -06:00
cde.c
gpu: nvgpu: remove "trace/events/gk20a.h" from QNX build
2020-12-15 14:13:28 -06:00
cde.h
gpu: nvgpu: rename tsg_gk20a and channel_gk20a structs
2019-05-06 02:56:53 -07:00
channel.h
gpu: nvgpu: rename tsg_gk20a and channel_gk20a structs
2019-05-06 02:56:53 -07:00
clk.c
gpu: nvgpu: Refactor Clock unit.
2020-12-15 14:13:28 -06:00
clk.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
comptags.c
gpu: nvgpu: fb: size of compression apis for mm
2019-03-18 20:19:10 -07:00
cond.c
gpu: nvgpu: nvgpu_cond_signal to return void
2019-01-31 12:04:10 -08:00
debug_allocator.c
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_allocator.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_bios.c
nvgpu: gpu: include qnx_init unit in doxygen documentation
2020-12-15 14:05:52 -06:00
debug_bios.h
gpu: nvgpu: add bios debugfs node
2018-06-27 07:30:06 -07:00
debug_cde.c
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_cde.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_ce.c
gpu: nvgpu: prepare ce_app.h header
2020-12-15 14:10:29 -06:00
debug_ce.h
gpu: nvgpu: move ce code to common/ce and hal/ce
2019-04-19 13:55:11 -07:00
debug_clk_gm20b.c
gpu: nvgpu: Refactor Clock unit.
2020-12-15 14:13:28 -06:00
debug_clk_gm20b.h
gpu: nvgpu: move gm20b clk debugfs to linux
2018-09-05 04:51:40 -07:00
debug_clk_tu104.c
gpu: nvgpu: Segregate clk unit members based on their accessibility
2020-12-15 14:13:28 -06:00
debug_clk_tu104.h
gpu: nvgpu: Initialize clk counters for dGPU clocks
2019-07-26 04:07:01 -07:00
debug_fecs_trace.c
nvgpu: gpu: include qnx_init unit in doxygen documentation
2020-12-15 14:05:52 -06:00
debug_fecs_trace.h
gpu: nvgpu: rename feature Make and C flags
2019-06-11 09:46:24 -07:00
debug_fifo.c
gpu: nvgpu: rename tsg_gk20a*/gk20a_tsg* functions.
2019-05-17 01:49:27 -07:00
debug_fifo.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_gr.c
gpu: nvgpu: Add gr_priv header file
2019-04-22 03:15:09 -07:00
debug_gr.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_hal.c
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_hal.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_kmem.c
gpu: nvgpu: Fix LibC MISRA 17.7 in os/linux
2018-10-31 15:25:23 -07:00
debug_kmem.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_ltc.c
nvgpu: gpu: include qnx_init unit in doxygen documentation
2020-12-15 14:05:52 -06:00
debug_ltc.h
gpu: nvgpu: debugfs node to enable/disable ltc_illegal_compstat intr
2018-07-24 16:10:58 -07:00
debug_pmgr.c
gpu: nvgpu: Split pmgr.h into private and public
2019-01-10 20:09:38 -08:00
debug_pmgr.h
gpu: nvgpu: move pmgr debugfs to linux
2018-09-05 04:51:50 -07:00
debug_pmu.c
nvgpu: vgpu: no debugfs entries that rely on PMU
2020-12-15 14:05:52 -06:00
debug_pmu.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_s_param.c
gpu: nvgpu: Refactor Clock unit.
2020-12-15 14:13:28 -06:00
debug_s_param.h
gpu: nvgpu: Debugfs for S_param
2019-02-11 20:55:07 -08:00
debug_sched.c
gpu: nvgpu: add struct nvgpu_sched_ctrl to gk20a
2020-12-15 14:13:28 -06:00
debug_sched.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_therm_tu104.c
gpu: nvgpu: Refactor Therm unit
2020-12-15 14:13:28 -06:00
debug_therm_tu104.h
gpu: nvgpu: Move from TSENSE to TSOSC for TU104
2019-06-13 23:05:43 -07:00
debug_volt.c
gpu: nvgpu: Read current_volt from vol_rail_get_status
2019-07-29 05:30:28 -07:00
debug_volt.h
gpu: nvgpu: Debugfs for Volt
2019-02-01 09:45:57 -08:00
debug_xve.c
gpu: nvgpu: Fix LibC MISRA 17.7 in os/linux
2018-10-31 15:25:23 -07:00
debug_xve.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug.c
gpu: nvgpu: convert disable_syncpoints into a bool
2020-12-15 14:10:29 -06:00
dmabuf_vidmem.c
gpu: nvgpu; fix MISRA errors in nvgpu.common.mm
2019-08-01 21:57:18 -07:00
dmabuf_vidmem.h
gpu: nvgpu: compile out vidmem from safety build
2019-06-25 04:37:08 -07:00
dmabuf.c
gpu: nvgpu: compile out vidmem from safety build
2019-06-25 04:37:08 -07:00
dmabuf.h
gpu: nvgpu: Create hal.mm.mm for misc MM HALs
2019-05-01 15:06:57 -07:00
driver_common.c
gpu: nvgpu: reorganization of MC interrupts control
2020-12-15 14:10:29 -06:00
driver_common.h
gpu: nvgpu: fix MISRA Rule 8.6 violations
2020-12-15 14:05:52 -06:00
dt.c
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
ecc_sysfs.c
gpu: nvgpu: move header location of gk20a.h
2018-09-25 13:10:19 -07:00
fecs_trace_linux.c
gpu: nvgpu: remove "trace/events/gk20a.h" from QNX build
2020-12-15 14:13:28 -06:00
fecs_trace_linux.h
gpu: nvgpu: use GPL license for linux code
2020-12-15 14:10:29 -06:00
firmware.c
gpu: nvgpu: firmware: use u32 for flags
2019-02-20 23:05:04 -08:00
fuse.c
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
intr.c
gpu: nvgpu: remove "trace/events/gk20a.h" from QNX build
2020-12-15 14:13:28 -06:00
intr.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
io_usermode.c
gpu: nvgpu: move usermode to hal/fifo
2019-04-16 13:04:27 -07:00
ioctl_as.c
gpu: nvgpu: remove "trace/events/gk20a.h" from QNX build
2020-12-15 14:13:28 -06:00
ioctl_as.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
ioctl_channel.c
gpu: nvgpu: remove "trace/events/gk20a.h" from QNX build
2020-12-15 14:13:28 -06:00
ioctl_channel.h
gpu: nvgpu: fix MISRA Rule 8.6 violations
2020-12-15 14:05:52 -06:00
ioctl_clk_arb.c
gpu: nvgpu: use READ_ONCE/WRITE_ONCE
2020-12-15 14:13:28 -06:00
ioctl_ctrl.c
gpu: nvgpu: Refactor Clock unit.
2020-12-15 14:13:28 -06:00
ioctl_ctrl.h
gpu: nvgpu: provide usermode region via mmap
2018-10-29 08:04:25 -07:00
ioctl_dbg.c
gpu: nvgpu: use refcnt for ch mmu_debug_mode
2019-08-28 16:54:51 -07:00
ioctl_dbg.h
gpu: nvgpu: Clean up ioctl_dbg.h
2018-07-05 21:48:44 -07:00
ioctl_tsg.c
gpu: nvgpu: add struct nvgpu_sched_ctrl to gk20a
2020-12-15 14:13:28 -06:00
ioctl_tsg.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
ioctl.c
gpu: nvgpu: rename feature Make and C flags
2019-06-11 09:46:24 -07:00
ioctl.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
kmem_priv.h
gpu: nvgpu: MISRA 14.4 boolean fixes
2018-11-07 10:35:13 -08:00
kmem.c
gpu: nvgpu: fix MISRA violations in kmem unit
2019-05-03 13:08:00 -07:00
linux-channel.c
gpu: nvgpu: remove "trace/events/gk20a.h" from QNX build
2020-12-15 14:13:28 -06:00
linux-dma.c
gpu: nvgpu; fix MISRA errors in nvgpu.common.mm
2019-08-01 21:57:18 -07:00
linux-io.c
gpu: nvgpu: init: move out linux-specific APIs
2019-07-23 13:27:29 -07:00
log.c
gpu: nvgpu: fix MISRA 17.1 in logging functions
2020-12-15 14:05:52 -06:00
module_usermode.c
gpu: nvgpu: move usermode to hal/fifo
2019-04-16 13:04:27 -07:00
module_usermode.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
module.c
gpu: nvgpu: remove "trace/events/gk20a.h" from QNX build
2020-12-15 14:13:28 -06:00
module.h
gpu: nvgpu: fix MISRA Rule 8.6 violations
2020-12-15 14:05:52 -06:00
nvgpu_mem.c
gpu: nvgpu: fix MISRA 11.2 nvgpu_sgl
2020-12-15 14:10:29 -06:00
nvhost_priv.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
nvhost.c
gpu: nvgpu: Fix misra rule 5.1
2020-12-15 14:13:28 -06:00
nvlink_probe.c
gpu: nvgpu: Hardcode nvlink speed to 20G
2020-12-15 14:13:28 -06:00
nvlink.c
gpu: nvgpu: rename feature Make and C flags
2019-06-11 09:46:24 -07:00
nvlink.h
gpu: nvgpu: shutdown nvlink in driver remove
2018-07-26 00:06:07 -07:00
os_fence_android_sema.c
gpu: nvgpu: rename tsg_gk20a and channel_gk20a structs
2019-05-06 02:56:53 -07:00
os_fence_android_syncpt.c
gpu: nvgpu: rename tsg_gk20a and channel_gk20a structs
2019-05-06 02:56:53 -07:00
os_fence_android.c
gpu: nvgpu: rename tsg_gk20a and channel_gk20a structs
2019-05-06 02:56:53 -07:00
os_linux.h
gpu: nvgpu: add struct nvgpu_sched_ctrl to gk20a
2020-12-15 14:13:28 -06:00
os_ops_gm20b.c
gpu: nvgpu: fecs ctxsw trace for gm20b
2019-04-22 05:25:48 -07:00
os_ops_gm20b.h
gpu: nvgpu: linux: move os ops to a common file
2018-08-29 20:34:34 -07:00
os_ops_gp10b.c
gpu: nvgpu: move fecs trace debugfs to linux
2018-09-09 17:22:24 -07:00
os_ops_gp10b.h
gpu: nvgpu: linux: move os ops to a common file
2018-08-29 20:34:34 -07:00
os_ops_gv11b.c
gpu: nvgpu: move fecs trace debugfs to linux
2018-09-09 17:22:24 -07:00
os_ops_gv11b.h
gpu: nvgpu: move fecs trace debugfs to linux
2018-09-09 17:22:24 -07:00
os_ops_gv100.c
gpu: nvgpu: Initialize clk counters for dGPU clocks
2019-07-26 04:07:01 -07:00
os_ops_gv100.h
gpu: nvgpu: move gp106 clk debugfs to linux
2018-09-05 04:51:36 -07:00
os_ops_tu104.c
gpu: nvgpu: Initialize clk counters for dGPU clocks
2019-07-26 04:07:01 -07:00
os_ops_tu104.h
gpu: nvgpu: Remove the GPU-NEXT conditional
2018-11-08 19:35:09 -08:00
os_ops.c
gpu: nvgpu: Remove support for GP106
2018-12-13 04:56:14 -08:00
os_ops.h
gpu: nvgpu: linux: move os ops to a common file
2018-08-29 20:34:34 -07:00
os_sched.c
gpu: nvgpu: Fix MISRA 21.2 violations in log.h
2019-05-15 22:29:40 -07:00
pci_power.c
gpu: nvgpu: add sw quiesce
2019-08-27 10:37:21 -07:00
pci_power.h
gpu: nvgpu: add interface to power on-off gpu
2018-10-12 17:35:10 +05:30
pci.c
gpu: nvgpu: Provide ability to select dgpu freq cap from DT
2020-12-15 14:10:29 -06:00
pci.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
platform_gk20a_tegra.c
gpu: nvgpu: rename nvhost_dev to nvhost
2020-12-15 14:10:29 -06:00
platform_gk20a_tegra.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
platform_gk20a.h
gpu: nvgpu: t23x: add TEGRA_234 chip id
2020-12-15 14:10:29 -06:00
platform_gp10b_tegra.c
gpu: nvgpu: remove call to tegra_get_chip_id()
2020-12-15 14:10:29 -06:00
platform_gp10b.h
gpu: nvgpu: use GPL license for linux code
2020-12-15 14:10:29 -06:00
platform_gv11b_tegra.c
gpu: nvgpu: remove call to tegra_get_chip_id()
2020-12-15 14:10:29 -06:00
rwsem.c
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
scale.c
gpu: nvgpu: add checks for kzalloc() allocations
2020-12-15 14:13:28 -06:00
scale.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
sched.c
gpu: nvgpu: add struct nvgpu_sched_ctrl to gk20a
2020-12-15 14:13:28 -06:00
sched.h
gpu: nvgpu: add struct nvgpu_sched_ctrl to gk20a
2020-12-15 14:13:28 -06:00
sim_pci.c
gpu: nvgpu: rmmod support in dgpu simulation
2019-08-21 23:38:56 -07:00
sim.c
gpu: nvgpu: move header location of gk20a.h
2018-09-25 13:10:19 -07:00
soc.c
gpu: nvgpu: remove call to tegra_get_chip_id()
2020-12-15 14:10:29 -06:00
sync_sema_android.c
gpu: nvgpu: rename tsg_gk20a and channel_gk20a structs
2019-05-06 02:56:53 -07:00
sync_sema_android.h
gpu: nvgpu: rename tsg_gk20a and channel_gk20a structs
2019-05-06 02:56:53 -07:00
sysfs.c
gpu: nvgpu: use READ_ONCE/WRITE_ONCE
2020-12-15 14:13:28 -06:00
sysfs.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
thread.c
gpu: nvgpu: fix race for nvgpu_thread_stop
2020-12-15 14:10:29 -06:00
timers.c
gpu: nvgpu: fix MISRA 10.5 issue in timeout code
2019-07-24 17:04:38 -07:00
vm.c
gpu: nvgpu: detach previous attachment on re-mapping
2020-12-15 14:13:28 -06:00
vpr.c
gpu: nvgpu: use vpr resize enabled API
2019-08-28 14:24:19 -07:00