rdma-core/SOURCES/0002-infiniband-diags-drop-unnecessary-nodedesc-local-cop.patch
2023-05-09 05:31:39 +00:00

96 lines
3.3 KiB
Diff

From d5723a0f69577fd3022024ca17c27e273a29695b Mon Sep 17 00:00:00 2001
From: Michal Schmidt <mschmidt@redhat.com>
Date: Wed, 1 Feb 2023 22:41:16 +0100
Subject: [PATCH 2/3] infiniband-diags: drop unnecessary nodedesc local copies
Now that remap_node_name() never rewrites nodedesc in-place, some
copying can be avoided.
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
---
infiniband-diags/dump_fts.c | 14 +++-----------
1 file changed, 3 insertions(+), 11 deletions(-)
diff --git a/infiniband-diags/dump_fts.c b/infiniband-diags/dump_fts.c
index ce6bfb9ecc33..acef9efe692d 100644
--- a/infiniband-diags/dump_fts.c
+++ b/infiniband-diags/dump_fts.c
@@ -109,7 +109,6 @@ static void dump_multicast_tables(ibnd_node_t *node, unsigned startl,
unsigned endl, struct ibmad_port *mad_port)
{
ib_portid_t *portid = &node->path_portid;
- char nd[IB_SMP_DATA_SIZE + 1] = { 0 };
char str[512];
char *s;
uint64_t nodeguid;
@@ -119,7 +118,6 @@ static void dump_multicast_tables(ibnd_node_t *node, unsigned startl,
char *mapnd = NULL;
int n = 0;
- memcpy(nd, node->nodedesc, strlen(node->nodedesc));
nports = node->numports;
nodeguid = node->guid;
@@ -149,7 +147,7 @@ static void dump_multicast_tables(ibnd_node_t *node, unsigned startl,
endl = IB_MAX_MCAST_LID;
}
- mapnd = remap_node_name(node_name_map, nodeguid, nd);
+ mapnd = remap_node_name(node_name_map, nodeguid, node->nodedesc);
printf("Multicast mlids [0x%x-0x%x] of switch %s guid 0x%016" PRIx64
" (%s):\n", startl, endl, portid2str(portid), nodeguid,
@@ -224,8 +222,6 @@ static int dump_lid(char *str, int str_len, int lid, int valid,
ibnd_fabric_t *fabric, int *last_port_lid,
int *base_port_lid, uint64_t *portguid)
{
- char nd[IB_SMP_DATA_SIZE + 1] = { 0 };
-
ibnd_port_t *port = NULL;
char ntype[50], sguid[30];
@@ -276,14 +272,12 @@ static int dump_lid(char *str, int str_len, int lid, int valid,
baselid = port->base_lid;
lmc = port->lmc;
- memcpy(nd, port->node->nodedesc, strlen(port->node->nodedesc));
-
if (lmc > 0) {
*base_port_lid = baselid;
*last_port_lid = baselid + (1 << lmc) - 1;
}
- mapnd = remap_node_name(node_name_map, nodeguid, nd);
+ mapnd = remap_node_name(node_name_map, nodeguid, port->node->nodedesc);
rc = snprintf(str, str_len, ": (%s portguid %s: '%s')",
mad_dump_val(IB_NODE_TYPE_F, ntype, sizeof ntype,
@@ -302,7 +296,6 @@ static void dump_unicast_tables(ibnd_node_t *node, int startl, int endl,
{
ib_portid_t * portid = &node->path_portid;
char lft[IB_SMP_DATA_SIZE] = { 0 };
- char nd[IB_SMP_DATA_SIZE + 1] = { 0 };
char str[200];
uint64_t nodeguid;
int block, i, e, top;
@@ -315,7 +308,6 @@ static void dump_unicast_tables(ibnd_node_t *node, int startl, int endl,
mad_decode_field(node->switchinfo, IB_SW_LINEAR_FDB_TOP_F, &top);
nodeguid = node->guid;
nports = node->numports;
- memcpy(nd, node->nodedesc, strlen(node->nodedesc));
if (!endl || endl > top)
endl = top;
@@ -326,7 +318,7 @@ static void dump_unicast_tables(ibnd_node_t *node, int startl, int endl,
endl = IB_MAX_UCAST_LID;
}
- mapnd = remap_node_name(node_name_map, nodeguid, nd);
+ mapnd = remap_node_name(node_name_map, nodeguid, node->nodedesc);
printf("Unicast lids [0x%x-0x%x] of switch %s guid 0x%016" PRIx64
" (%s):\n", startl, endl, portid2str(portid), nodeguid,
--
2.39.1