[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.1.3-43-g4ce4103

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http://git.mpich.org/mpich.git/commitdiff/4ce4103ae1ee924c8d27dc5202f669e6bb5e8a35

commit 4ce4103ae1ee924c8d27dc5202f669e6bb5e8a35
Author: Pavan Balaji <balaji at anl.gov>
Date:   Tue Oct 7 22:11:10 2014 -0500

    MPICH-specific initialization of mxm.
    
    The defaults used by MXM might not be fully appropriate for mpich.  So
    we automatically initialize it to our preferred defaults unless the
    user is trying to override it.
    
    Signed-off-by: Xin Zhao <xinzhao3 at illinois.edu>

diff --git a/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_init.c b/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_init.c
index 37e0558..f155b82 100644
--- a/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_init.c
+++ b/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_init.c
@@ -107,6 +107,7 @@ static int _mxm_conf(void);
 #define FCNAME MPIDI_QUOTE(FUNCNAME)
 int MPID_nem_mxm_init(MPIDI_PG_t * pg_p, int pg_rank, char **bc_val_p, int *val_max_sz_p)
 {
+    int r;
     int mpi_errno = MPI_SUCCESS;
 
     MPIDI_STATE_DECL(MPID_STATE_MXM_INIT);
@@ -116,6 +117,15 @@ int MPID_nem_mxm_init(MPIDI_PG_t * pg_p, int pg_rank, char **bc_val_p, int *val_
     MPIU_Assert(sizeof(MPID_nem_mxm_vc_area) <= MPID_NEM_VC_NETMOD_AREA_LEN);
     MPIU_Assert(sizeof(MPID_nem_mxm_req_area) <= MPID_NEM_REQ_NETMOD_AREA_LEN);
 
+
+    /* mpich-specific initialization of mxm */
+    /* check if the user is not trying to override the tls setting
+     * before resetting it */
+    if (getenv("MXM_TLS") == NULL) {
+        r = MPL_putenv("MXM_TLS=rc,dc,ud");
+        MPIU_ERR_CHKANDJUMP(r, mpi_errno, MPI_ERR_OTHER, "**putenv");
+    }
+
     mpi_errno = _mxm_init(pg_rank, pg_p->size);
     if (mpi_errno)
         MPIU_ERR_POP(mpi_errno);

-----------------------------------------------------------------------

Summary of changes:
 .../ch3/channels/nemesis/netmod/mxm/mxm_init.c     |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)


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