From d8d4828b04df948972613983b18a9dd32c555cfa Mon Sep 17 00:00:00 2001
From: Justin Ray Angus <justin.angus@gmail.com>
Date: Wed, 21 Feb 2024 13:46:57 -0800
Subject: [PATCH] fixed bug in MLCurlCurL::xdoty() to prevent doing MPI sum
 twice. (#3774)

---
 Src/LinearSolvers/MLMG/AMReX_MLCurlCurl.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Src/LinearSolvers/MLMG/AMReX_MLCurlCurl.cpp b/Src/LinearSolvers/MLMG/AMReX_MLCurlCurl.cpp
index cb814af15fc..56065ffbdcf 100644
--- a/Src/LinearSolvers/MLMG/AMReX_MLCurlCurl.cpp
+++ b/Src/LinearSolvers/MLMG/AMReX_MLCurlCurl.cpp
@@ -300,7 +300,7 @@ Real MLCurlCurl::xdoty (int amrlev, int mglev, const MF& x, const MF& y,
     auto result = Real(0.0);
     for (int idim = 0; idim < 3; ++idim) {
         auto rtmp = MultiFab::Dot(getDotMask(amrlev,mglev,idim),
-                                  x[idim], 0, y[idim], 0, 1, 0, false);
+                                  x[idim], 0, y[idim], 0, 1, 0, true);
         result += rtmp;
     }
     if (!local) {