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linux-nvgpu/drivers/gpu/nvgpu/common
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Sagar Kamble 7ab770ae93 gpu: nvgpu: skip mapping global ctx buffer if already mapped 
Global context buffers were mapped on every ALLOC_OBJ_CTX call.
If many channels are created sharing an address space they can
exhaust the VA space by mapping same global context buffers
again and again.

Skip mapping the global context buffer if it is already mapped
for an address space.

Bug 3802863
Bug 3796293

Change-Id: I3844c211b3350aa06cabd92c415a34a83034dd43
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2789584
(cherry picked from commit 0611ec30c6a61b7e1b07d516b74d6eddb3c6b37e)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2789581
Reviewed-by: Scott Long <scottl@nvidia.com>
Reviewed-by: Ankur Kishore <ankkishore@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
2022-10-12 22:16:36 -07:00
..
acr
gpu: nvgpu: FW load flag update
2022-09-14 09:39:00 -07:00
cbc
gpu: nvgpu: Add compression for safety
2022-03-15 17:30:57 -07:00
ce
gpu: nvgpu: fix the ce app ctx cleanup
2022-05-07 15:18:39 -07:00
cic
gpu: nvgpu: Remove dependency on DGPU CONFIG
2022-10-06 17:25:52 -07:00
clk_arb
gpu: nvgpu: don't skip setting same clk in arbiter
2022-08-19 21:28:46 -07:00
cyclestats
gpu: nvgpu: rename tsg_gk20a and channel_gk20a structs
2019-05-06 02:56:53 -07:00
engine_queues
gpu: nvgpu: common: fix compile error of new compile flags
2022-01-13 12:36:14 -08:00
falcon
gpu: nvgpu: fix unit test traceability issues
2022-07-15 07:15:34 -07:00
fb
gpu: nvgpu: program ltc cg prod values after acr boot
2022-01-15 06:08:21 -08:00
fbp
gpu: nvgpu: common: fix compile error of new compile flags
2022-01-13 12:36:14 -08:00
fence
gpu: nvgpu: common: fix compile error of new compile flags
2022-01-13 12:36:14 -08:00
fifo
nvgpu: userspace: add unit test for nvs
2022-10-10 14:08:03 -07:00
gr
gpu: nvgpu: skip mapping global ctx buffer if already mapped
2022-10-12 22:16:36 -07:00
grmgr
gpu: nvgpu: GA10X_NEXT pulling GR1 out of reset
2022-09-08 21:05:01 -07:00
gsp
gpu: nvgpu: fix compile error of new compile flags
2022-05-07 15:11:49 -07:00
gsp_scheduler
gpu: nvgpu: gsp sched: create and enable gsp virtual memory access
2022-10-06 17:16:21 -07:00
gsp_test
gpu: nvgpu: fix compile error of new compile flags
2022-05-07 15:11:49 -07:00
init
gpu: nvgpu: enclose NVS KMD inside a config
2022-10-10 14:07:37 -07:00
io
gpu: nvgpu: print call stack on no regs
2021-12-07 07:10:40 -08:00
ltc
gpu: nvgpu: move ltc_tstg_mgmt register setup
2022-03-25 13:14:15 -07:00
mc
gpu: nvgpu: bring all supported GRs out of reset
2021-11-11 20:37:45 -08:00
mm
gpu: nvgpu: subcontext add/remove support
2022-09-08 21:00:20 -07:00
netlist
gpu: nvgpu: common: fix compile error of new compile flags
2022-01-13 12:36:14 -08:00
nvlink
gpu: nvgpu: fix coverity defects
2022-01-28 04:50:12 -08:00
nvs
nvgpu: userspace: add unit test for nvs
2022-10-10 14:08:03 -07:00
perf
gpu: nvgpu: fix nvgpu_css_allocate_perfmon_ids
2022-10-05 20:13:27 -07:00
pmu
gpu: nvgpu: cleanup the seq for railgate seq
2022-09-21 01:08:54 -07:00
power_features
gpu: nvgpu: add FLCG support for PERFMON
2022-06-15 04:25:56 -07:00
profiler
gpu: nvgpu: maintain ctx buffers mappings separately from ctx mems
2022-07-15 07:10:11 -07:00
ptimer
gpu: nvgpu: common: fix compile error of new compile flags
2022-01-13 12:36:14 -08:00
rc
gpu: nvgpu: reduce CCM for "nvgpu_rc_pbdma_fault"
2022-07-18 11:07:46 -07:00
regops
gpu: nvgpu: fix compile error of new compile flags
2022-05-07 15:11:49 -07:00
riscv
gpu: nvgpu: common: fix compile error of new compile flags
2022-01-13 12:36:14 -08:00
sbr
gpu: nvgpu: sbr: Load and execute PUB
2020-12-15 14:13:28 -06:00
sec2
gpu: nvgpu: simplify nvgpu_timeout_init
2021-10-26 13:47:32 -07:00
semaphore
gpu: nvgpu: simplify gmmu map calls
2021-10-01 21:38:43 -07:00
sim
gpu: nvgpu: common: fix compile error of new compile flags
2022-01-13 12:36:14 -08:00
swdebug
gpu: nvgpu: Fix Division by zero defect
2022-04-29 06:10:48 -07:00
sync
gpu: nvgpu: Fix CERT-C Violations
2022-06-03 12:05:26 -07:00
therm
gpu: nvgpu: cg: load therm unit SLCG gating registers
2020-12-15 14:10:29 -06:00
utils
gpu: nvgpu: Resolve failed cond init.
2022-09-27 23:25:55 -07:00
vbios
gpu: nvgpu: simplify nvgpu_timeout_init
2021-10-26 13:47:32 -07:00
vgpu
gpu: nvgpu: multiple address spaces support for subcontexts
2022-09-08 20:59:59 -07:00
debugger.c
gpu: nvgpu: common: fix compile error of new compile flags
2022-01-13 12:36:14 -08:00
device.c
gpu: nvgpu: common: fix compile error of new compile flags
2022-01-13 12:36:14 -08:00
ecc.c
gpu: nvgpu: common: fix compile error of new compile flags
2022-01-13 12:36:14 -08:00
log_common.c
gpu: nvgpu: fix MISRA 17.1 in logging functions
2020-12-15 14:05:52 -06:00
pramin.c
gpu: nvgpu: Change pramin lock to mutex
2020-12-15 14:13:28 -06:00
timers_common.c
gpu: nvgpu: move duplicate timer api to common
2022-03-25 21:33:21 -07:00