[PATCH V3 net-next 5/5] smc: increase / decrease static key
From: Ursula Braun <hidden>
Date: 2015-07-22 09:00:17
Also in:
linux-s390
Subsystem:
networking [general], shared memory communications (smc) sockets, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, D. Wythe, Dust Li, Sidraya Jayagond, Wenjia Zhang, Linus Torvalds
From: Ursula Braun <redacted> To activate the smc-specific hooks in the TCP-code, static key "tcp_have_smc" is increased and decreased. For now this is done at module load / unload time. Signed-off-by: Ursula Braun <redacted> --- net/smc/af_smc.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index ed62370..8256e17 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c@@ -3142,6 +3142,7 @@ static int __init af_smc_init(void) if (rc) goto out_sock; + static_key_slow_inc(&tcp_have_smc); return 0; out_sock:
@@ -3154,6 +3155,7 @@ out: static void __exit af_smc_exit(void) { + static_key_slow_dec(&tcp_have_smc); ib_unregister_client(&smc_ib_client); sock_unregister(PF_SMC); proto_unregister(&smc_proto);
--
2.3.8