Re: [tipc-discussion] [PATCH net-next 1/1] tipc: eliminate risk of finding to-be-deleted node instance

2016-02-25 Thread David Miller
From: Jon Maloy Date: Wed, 24 Feb 2016 11:00:19 -0500 > Although we have never seen it happen, we have identified the > following problematic scenario when nodes are stopped and deleted: > > CPU0:CPU1: > > tipc_node_xxx() //ref == 1

Re: [tipc-discussion] [PATCH net-next 1/1] tipc: fix crash during node removal

2016-02-25 Thread David Miller
From: Jon Maloy Date: Wed, 24 Feb 2016 11:10:48 -0500 > When the TIPC module is unloaded, we have identified a race condition > that allows a node reference counter to go to zero and the node instance > being freed before the node timer is finished with accessing it. This > leads to occasional cr