P4 to Git Change 1257532 by gandryey@gera-ocl on 2016/04/13 13:18:22

SWDEV-92049 - Forum [2712399]: clEnqueueMapBuffer in parallel
	- Handle multiple unmapInfo structures of multiple simultaneous maps of the same buffer
	- The change didn't affect images path, since it requires extra handling

Affected files ...

... //depot/stg/opencl/drivers/opencl/api/opencl/amdocl/cl_memobj.cpp#79 edit
... //depot/stg/opencl/drivers/opencl/api/opencl/amdocl/cl_svm.cpp#16 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/device.cpp#194 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/device.hpp#271 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/gpu/gpumemory.cpp#126 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/gpu/gpuvirtual.cpp#399 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/hsa_foundation/hsamemory.cpp#25 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/hsa_foundation/hsamemory.hpp#10 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/hsa_foundation/hsavirtual.cpp#64 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/pal/palmemory.cpp#2 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/pal/palvirtual.cpp#4 edit
... //depot/stg/opencl/drivers/opencl/runtime/platform/command.hpp#82 edit

rocclr/runtime/device/gpu/gpumemory.cpp

@@ -945,9 +945,6 @@ Memory::allocMapTarget(
             }
         }
         mapAddress = mapMemory()->data();
-
-        // Use start of the indirect buffer
-        offset = 0;
     }
 
     return mapAddress + offset;