update revert_patches.txt

Author: ronlieb

offload/plugins-nextgen/amdgpu/src/rtl.cpp

@@ -5784,6 +5784,11 @@ void *AMDGPUDeviceTy::allocate(size_t Size, void *, TargetAllocTy Kind) {
     break;
   }
 
+  if (Kind == TARGET_ALLOC_SHARED && IsEquippedWithGFX90A &&
+      EnableGFX90ACoarseGrainSharedAlloc) {
+    MemoryPool = CoarseGrainedMemoryPools[0];
+  }
+
   if (!MemoryPool) {
     REPORT("No memory pool for the specified allocation kind\n");
     return nullptr;
@@ -5795,6 +5800,15 @@ void *AMDGPUDeviceTy::allocate(size_t Size, void *, TargetAllocTy Kind) {
     REPORT("%s\n", toString(std::move(Err)).data());
     return nullptr;
   }
+  if (MemoryPool == CoarseGrainedMemoryPools[0] && IsEquippedWithGFX90A &&
+      EnableGFX90ACoarseGrainUsmMaps) {
+    // Need to register in the coarse grain usm map table
+    // if not already registered.
+    if (auto Err = setCoarseGrainMemoryImpl(Alloc, Size, /*set_attr=*/false)) {
+      REPORT("%s\n", toString(std::move(Err)).data());
+      return nullptr;
+    }
+  }
 
   if (Alloc && (Kind == TARGET_ALLOC_HOST || Kind == TARGET_ALLOC_SHARED ||
                 OMPX_EnableDevice2DeviceMemAccess)) {

offload/plugins-nextgen/common/include/MemoryManager.h

@@ -35,7 +35,6 @@ class DeviceAllocatorTy {
   virtual void *allocate(size_t Size, void *HstPtr,
                          TargetAllocTy Kind = TARGET_ALLOC_DEFAULT) = 0;
 
-  /// Delete the pointer \p TgtPtr on the device
   virtual int free(void *TgtPtr, TargetAllocTy Kind = TARGET_ALLOC_DEFAULT) = 0;
 };
 

revert_patches.txt

@@ -19,6 +19,6 @@ needs more offload patches
 [Offload] Port llvm-offload-device-info to new offload API (#155626)
 [Offload]  Implement 'olIsValidBinary' in offload
 ---
-needs akashB to land
-b4f1e0e5b173 [Flang][OpenMP] Implicitly map nested allocatable components 
+need to resole API changes downstream
+[Offload] Use Error for allocating/deallocating in plugins
 ---