From d7a6f95c8b04f5ee0f56093924481807a318712c Mon Sep 17 00:00:00 2001
From: LotP1 <68976644+LotP1@users.noreply.github.com>
Date: Wed, 4 Jun 2025 00:54:47 +0200
Subject: [PATCH] add comments

---
 src/Ryujinx.Graphics.Gpu/Memory/BufferModifiedRangeList.cs | 2 ++
 src/Ryujinx.Memory/Tracking/MemoryTracking.cs              | 1 +
 2 files changed, 3 insertions(+)

diff --git a/src/Ryujinx.Graphics.Gpu/Memory/BufferModifiedRangeList.cs b/src/Ryujinx.Graphics.Gpu/Memory/BufferModifiedRangeList.cs
index 1e712b542..ef027667e 100644
--- a/src/Ryujinx.Graphics.Gpu/Memory/BufferModifiedRangeList.cs
+++ b/src/Ryujinx.Graphics.Gpu/Memory/BufferModifiedRangeList.cs
@@ -289,6 +289,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
         {
             RangeItem<BufferModifiedRange>[] overlaps = new RangeItem<BufferModifiedRange>[1];
             
+            // We use the non-span method here because keeping the lock will cause a deadlock.
             Lock.EnterReadLock();
             OverlapResult result = FindOverlapsNonOverlapping(address, size, ref overlaps);
             Lock.ExitReadLock();
@@ -409,6 +410,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
             }
             else
             {
+                // We use the non-span method here because the array is partially modified by the code, which would invalidate a span.
                 rangeCount = FindOverlapsNonOverlapping(address, size, ref overlaps).Count;
             }
             Lock.ExitReadLock();
diff --git a/src/Ryujinx.Memory/Tracking/MemoryTracking.cs b/src/Ryujinx.Memory/Tracking/MemoryTracking.cs
index bc69aea3d..7aecd7f4d 100644
--- a/src/Ryujinx.Memory/Tracking/MemoryTracking.cs
+++ b/src/Ryujinx.Memory/Tracking/MemoryTracking.cs
@@ -299,6 +299,7 @@ namespace Ryujinx.Memory.Tracking
                 NonOverlappingRangeList<VirtualRegion> regions = guest ? _guestVirtualRegions : _virtualRegions;
                 ref RangeItem<VirtualRegion>[] overlaps = ref ThreadStaticArray<RangeItem<VirtualRegion>>.Get();
                 
+                // We use the non-span method here because keeping the lock will cause a deadlock.
                 regions.Lock.EnterReadLock();
                 OverlapResult result = regions.FindOverlapsNonOverlapping(address, size, ref overlaps);
                 regions.Lock.ExitReadLock();