From f41600e66fef4481ab82fbbad89144a8a8cc0599 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Mon, 13 Apr 2020 12:34:02 +0200
Subject: [PATCH] Add a read barrier in the traversing of the buffer list

Needed on systems with weak memory ordering - the inferior, partially working fix from #2544 was already removed in #2551
---
 driver/others/memory.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/driver/others/memory.c b/driver/others/memory.c
index a49fb1fa1..5abcbf3a4 100644
--- a/driver/others/memory.c
+++ b/driver/others/memory.c
@@ -2741,6 +2741,7 @@ void *blas_memory_alloc(int procpos){
   LOCK_COMMAND(&alloc_lock);
 #endif
   do {
+	  RMB;
 #if defined(USE_OPENMP)	  
     if (!memory[position].used) { 
       blas_lock(&memory[position].lock);