From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hal Rosenstock Subject: [PATCH opensm 3/4] osm_trap_rcv.c: Minimize time holding RW lock for, SystemImageGUID changed trap 145 Date: Wed, 15 Jan 2014 15:28:55 -0500 Message-ID: <52D6EF87.6000705@dev.mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "linux-rdma (linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org)" List-Id: linux-rdma@vger.kernel.org >>From e7c4ec39fff6c6c243ac57434eb8f8bbe6f783f8 Mon Sep 17 00:00:00 2001 From: Hal Rosenstock Date: Thu, 15 Nov 2012 18:09:57 +0200 Subject: [PATCH 3/4] osm_trap_rcv.c: Minimize time holding RW lock for SystemImageGUID changed trap 145 Release RW lock after updating SystemImageGUID and reacquire RO lock Found-by: Vladimir Koushnir Signed-off-by: Hal Rosenstock --- opensm/osm_trap_rcv.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/opensm/osm_trap_rcv.c b/opensm/osm_trap_rcv.c index 27f3e4a..2623536 100644 --- a/opensm/osm_trap_rcv.c +++ b/opensm/osm_trap_rcv.c @@ -566,6 +566,8 @@ static void trap_rcv_process_request(IN osm_sm_t * sm, p_physp->p_node->node_info.sys_guid = p_ntci->data_details.ntc_145.new_sys_guid; } + CL_PLOCK_RELEASE(sm->p_lock); + CL_PLOCK_ACQUIRE(sm->p_lock); } else OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 3813: No physical port found for " -- 1.7.8.2 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html