Linux kernel bug fix: perf: Fix ring_buffer_attach() RCU sync, again
Subsystem: kernel (kernel/events/core.c)
Bug type: crash, severity: high
Files changed: kernel/events/core.c
Introduced by Peter Zijlstra on 2014-05-19 21:44:56 +0900; fixed by Oleg Nesterov on 2015-06-19 09:38:45 +0200 (lifetime: 395 days)