tag 6018f168fa1a77776d541165123c5ac9a573f2c5
tagger The Android Open Source Project <initial-contribution@android.com> Mon Mar 06 12:46:44 2017 -0800
object 420e75934c581ac923b2eb6ab38209bb07a594ad

Android 7.1.1 Release 0.43

commit 420e75934c581ac923b2eb6ab38209bb07a594ad
author Deepak Nibade <dnibade@nvidia.com> Tue Jan 17 11:30:12 2017 +0530
committer Mark Salyzyn <salyzyn@google.com> Wed Jan 18 22:46:25 2017 +0000
tree 668f7cb621d8d7497470101f25e97f8481d008f2
parent 20d455bebf0d3b15eb26dba60b3de8ecc600fc09

gpu: nvgpu: serialize debug session IOCTLs

Hold debug_s->ioctl_lock for all debug session
IOCTLs to prevent multi-threaded user space
IOCTL calls

debug session IOCTL calls are not thread-safe
and hence this serialization is required

NvBug 1832267
Bug: 32370135

Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
(cherry picked from commit 72f27f77472503ccaa840c1fc01efbf5df6075d0)
Signed-off-by: Xia Yang <xiay@nvidia.com>
Change-Id: I847ac951601d4f0093546b592bdb8c8f00185317
(cherry picked from commit 9ffc3dd0659cc276f0da5d11c705d93dbeea16e4)