> -Original Message-
> From: Parthasarathy Bhuvaragan
> Sent: Monday, March 20, 2017 05:10 AM
> To: tipc-discussion@lists.sourceforge.net; Jon Maloy
> ; Ying Xue
> Subject: [PATCH net v1 4/7] tipc: Fix missing connection request handling
>
> In filter_connect, we use waitqueue_active()
In filter_connect, we use waitqueue_active() to check for any
connections to wakeup. But waitqueue_active() is missing memory
barriers while accessing the critical sections, leading to
inconsistent results.
In this commit, we replace this with an SMP safe wq_has_sleeper().
Signed-off-by: Parthasa