leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

net/smc: keep static copy of system EID

Browse Source 
The system EID is retrieved using an registered ISM device each time
when needed. This adds some unnecessary complexity at all places where
the system EID is needed, but no ISM device is at hand.
Simplify the code and save the system EID in a static variable in
smc_ism.c.

Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Reviewed-by: Guvenc Gulce  <guvenc@linux.ibm.com>
Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Karsten Graul
2021-09-14 10:35:06 +02:00
committed by David S. Miller
parent fa08666255
commit 11a26c59fc
5 changed files with 17 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
net/smc/smc_core.c
View File

@@ -223,7 +223,6 @@ int smc_nl_get_sys_info(struct sk_buff *skb, struct netlink_callback *cb)
struct smc_nl_dmp_ctx *cb_ctx = smc_nl_dmp_ctx(cb);
char hostname[SMC_MAX_HOSTNAME_LEN + 1];
char smc_seid[SMC_MAX_EID_LEN + 1];
struct smcd_dev *smcd_dev;
struct nlattr *attrs;
u8 *seid = NULL;
u8 *host = NULL;
@@ -252,13 +251,8 @@ int smc_nl_get_sys_info(struct sk_buff *skb, struct netlink_callback *cb)
if (nla_put_string(skb, SMC_NLA_SYS_LOCAL_HOST, hostname))
goto errattr;
}
mutex_lock(&smcd_dev_list.mutex);
smcd_dev = list_first_entry_or_null(&smcd_dev_list.list,
struct smcd_dev, list);
if (smcd_dev)
smc_ism_get_system_eid(smcd_dev, &seid);
mutex_unlock(&smcd_dev_list.mutex);
if (seid && smc_ism_is_v2_capable()) {
if (smc_ism_is_v2_capable()) {
smc_ism_get_system_eid(&seid);
memcpy(smc_seid, seid, SMC_MAX_EID_LEN);
smc_seid[SMC_MAX_EID_LEN] = 0;
if (nla_put_string(skb, SMC_NLA_SYS_SEID, smc_seid))