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btl/vader: move memory barrier to where it belongs #5536

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Merged
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Aug 14, 2018
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btl/vader: move memory barrier to where it belongs #5536

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4 changes: 2 additions & 2 deletions opal/mca/btl/vader/btl_vader_fbox.h
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2011-2015 Los Alamos National Security, LLC. All rights
* Copyright (c) 2011-2018 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
Expand Down Expand Up @@ -51,8 +51,8 @@ static inline void mca_btl_vader_fbox_set_header (mca_btl_vader_fbox_hdr_t *hdr,
uint16_t seq, uint32_t size)
{
mca_btl_vader_fbox_hdr_t tmp = {.data = {.tag = tag, .seq = seq, .size = size}};
hdr->ival = tmp.ival;
opal_atomic_wmb ();
hdr->ival = tmp.ival;
}

/* attempt to reserve a contiguous segment from the remote ep */
Expand Down