add page cache with read-ahead and dirty writeback, file-backed and anonymous mmap with CoW, VAD-based virtual memory replacing the old user region model, PFN database with eviction and reclaim, file identity for cross-open section sharing, FAT32 path cache and per-file cluster chain cache, serial.sys for COM1 keyboard input, xHCI MSI with INTx and polled fallback, PciEnableMsiAuto, waitable input queue, KeWaitForAnyEvent, per-process thread info syscall, expanded kernel stats (PFN/PTE/VAD/file-cache/disk), pool allocation tags, async I/O user buffer locking, file flush on close, add docs.md.

code/drivers/display/vmwaresvga/vmwaresvga.c

@@ -890,19 +890,13 @@ static KSTATUS VmwSvgaDisplayPresent(DISPLAY_DEVICE* device, const DISPLAY_RECT*
             result = syncSt;
     }
 
-    if (v->HardwareCursor && v->CursorVisible)
-        VmwSvgaCursorCommit(v);
-
     return result;
 }
 
 // Implements the display Sync operation.
 static KSTATUS VmwSvgaDisplaySync(DISPLAY_DEVICE* device) {
     VMWSVGA_DEVICE* v = VmwSvgaFromDisplay(device);
-    KSTATUS st = VmwSvgaSyncDevice(v);
-    if (v && v->HardwareCursor && v->CursorVisible)
-        VmwSvgaCursorCommit(v);
-    return st;
+    return VmwSvgaSyncDevice(v);
 }
 
 // Implements the display Set Cursor Image operation.