summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/nvgpu/ctrl
diff options
context:
space:
mode:
authorSeema Khowala <seemaj@nvidia.com>2018-10-19 15:08:46 -0400
committermobile promotions <svcmobile_promotions@nvidia.com>2019-02-13 16:19:37 -0500
commit220860d04383489a8e75684802a2ced1323831df (patch)
tree123e92d8b1781afa6de32bc2615ae5835b389f4d /drivers/gpu/nvgpu/ctrl
parent18643ac1357a845d204d6dabd98359a0ab0509a7 (diff)
gpu: nvgpu: rename has_timedout and make it thread safe
Currently has_timedout variable is protected by wmb at places where it is being set and there is no correspoding rmb whenever has_timedout variable is read. This is prone to errors for concurrent execution. This change is supposed to fix this issue. Rename has_timedout variable of channel struct to ch_timedout. Also to avoid rmb every time ch_timedout is read, ch_timedout_spinlock is added to protect ch_timedout variable for taking care of concurrent execution. Bug 2404865 Bug 2092051 Change-Id: I0bee9f50af0a48720aa8b54cbc3af97ef9f6df00 Signed-off-by: Seema Khowala <seemaj@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1930935 Signed-off-by: Debarshi Dutta <ddutta@nvidia.com> (cherry picked from commit 1f54ea09e3445d9ca3cf7a69b4967849cc9defc8 in dev-kernel) Reviewed-on: https://git-master.nvidia.com/r/2016975 GVS: Gerrit_Virtual_Submit Reviewed-by: Alex Waterman <alexw@nvidia.com> Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/ctrl')
0 files changed, 0 insertions, 0 deletions