From 97b54814bce99dbc764a0aaf730b634be6166554 Mon Sep 17 00:00:00 2001
From: Panferov Ivan <panferov.ivan@huawei-partners.com>
Date: Fri, 20 Oct 2023 16:58:56 +0300
Subject: [PATCH] Fix issue with store buffering in RegionAllocator

Signed-off-by: Panferov Ivan <panferov.ivan@huawei-partners.com>
---
 runtime/mem/region_allocator-inl.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/runtime/mem/region_allocator-inl.h b/runtime/mem/region_allocator-inl.h
index 0f98d28e9..1b43d6821 100644
--- a/runtime/mem/region_allocator-inl.h
+++ b/runtime/mem/region_allocator-inl.h
@@ -154,7 +154,9 @@ void *RegionAllocator<AllocConfigT, LockConfigT>::AllocRegular(size_t align_size
 
         Region *region = this->template CreateAndSetUpNewRegion<AllocConfigT>(REGION_SIZE, REGION_TYPE);
         if (LIKELY(region != nullptr)) {
-            mem = region->template Alloc<false>(align_size);
+            // Here we need memory barrier to make the allocation visible
+            // in all threads before SetCurrentRegion
+            mem = region->template Alloc<IS_ATOMIC>(align_size);
             SetCurrentRegion<IS_ATOMIC, REGION_TYPE>(region);
         }
 
-- 
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