Update adapters to reflect the spec change.

Author: aarongreig

source/adapters/cuda/kernel.cpp

@@ -282,7 +282,8 @@ urKernelSetArgPointer(ur_kernel_handle_t hKernel, uint32_t argIndex,
                       const ur_kernel_arg_pointer_properties_t *pProperties,
                       const void *pArgValue) {
   std::ignore = pProperties;
-  hKernel->setKernelArg(argIndex, sizeof(pArgValue), pArgValue);
+  // setKernelArg is expecting a pointer to our argument
+  hKernel->setKernelArg(argIndex, sizeof(pArgValue), &pArgValue);
   return UR_RESULT_SUCCESS;
 }
 

source/adapters/opencl/kernel.cpp

@@ -358,13 +358,9 @@ UR_APIEXPORT ur_result_t UR_APICALL urKernelSetArgPointer(
           cl_ext::SetKernelArgMemPointerName, &FuncPtr));
 
   if (FuncPtr) {
-    /* OpenCL passes pointers by value not by reference. This means we need to
-     * deref the arg to get the pointer value */
-    auto PtrToPtr = reinterpret_cast<const intptr_t *>(pArgValue);
-    auto DerefPtr = reinterpret_cast<void *>(*PtrToPtr);
     CL_RETURN_ON_FAILURE(FuncPtr(cl_adapter::cast<cl_kernel>(hKernel),
                                  cl_adapter::cast<cl_uint>(argIndex),
-                                 DerefPtr));
+                                 pArgValue));
   }
 
   return UR_RESULT_SUCCESS;