P4 to Git Change 1367810 by gandryey@gera-w8 on 2017/01/31 19:02:27

SWDEV-112171 - [ROCm CQE][OCLonLC][QR][G] System hangs/Failures observed with few WF conf tests, due to CL#1364923
	- Make HSA copy call lock protected, due to a possible race condition and HW hangs in integer_ops long_math test

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocblit.cpp#10 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocdevice.cpp#39 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocdevice.hpp#15 edit


[ROCm/clr commit: a7a4a6dbad]

projects/clr/rocclr/runtime/device/rocm/rocdevice.cpp

@@ -189,6 +189,7 @@ Device::Device(hsa_agent_t bkendDevice)
     , xferQueue_(nullptr)
     , xferRead_(nullptr)
     , xferWrite_(nullptr)
+    , hsaCopyOps_(nullptr)
     , numOfVgpus_(0)
 {
     group_segment_.handle = 0;
@@ -207,6 +208,7 @@ Device::~Device()
     }
     delete mapCache_;
     delete mapCacheOps_;
+    delete hsaCopyOps_;
 
     // Destroy temporary buffers for read/write
     delete xferRead_;
@@ -626,6 +628,11 @@ Device::create()
         return false;
     }
 
+    hsaCopyOps_ = new amd::Monitor("HSA copy Lock", true);
+    if (nullptr == hsaCopyOps_) {
+        return false;
+    }
+
     mapCache_ = new std::vector<amd::Memory*>();
     if (mapCache_ == NULL) {
         return false;