From c9f95a13ee42bb9b3a0f3361d88ae8fb9bd0a543 Mon Sep 17 00:00:00 2001
From: German Andryeyev <German.Andryeyev@amd.com>
Date: Fri, 10 Jul 2020 17:05:13 -0400
Subject: [PATCH] Disable sysmem alloc for SVM memory

Device backend is responsible for memory allocation, including
possible HMM support.

Change-Id: I0e4e5ae3b9551790f4f85f0791cca63196cc896e


[ROCm/clr commit: af1c4a5794f67b636fff57641a36d4d05a1a26a9]
---
 projects/clr/rocclr/platform/memory.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/projects/clr/rocclr/platform/memory.cpp b/projects/clr/rocclr/platform/memory.cpp
index b584f5ab6b..28d0544eeb 100644
--- a/projects/clr/rocclr/platform/memory.cpp
+++ b/projects/clr/rocclr/platform/memory.cpp
@@ -214,8 +214,9 @@ bool Memory::allocHostMemory(void* initFrom, bool allocHostMem, bool forceCopy)
       }
     }
   }
-  // Allocate host memory buffer if needed
-  else if (allocHostMem && !isInterop()) {
+  // Allocate host memory buffer if needed.
+  // @note: SVM host memory allocation should be done in the device backend
+  else if (allocHostMem && !isInterop() && !(getMemFlags() & CL_MEM_SVM_FINE_GRAIN_BUFFER)) {
     if (!hostMemRef_.allocateMemory(size_, context_())) {
       DevLogError("Cannot allocate Host Memory Buffer \n");
       return false;