On Sat, Feb 27, 2016 at 12:37:23PM +0100, Thomas Gleixner wrote: > On Sat, 27 Feb 2016, Tejun Heo wrote: > > On Fri, Feb 26, 2016 at 01:47:39PM -0800, Yang Shi wrote: > > > Call synchronize_sched() when kernfs_node is updated since tracepoints are > > > protected by rcu_read_lock_sched. > > > > Adding synchronize_sched() to operations which can be triggered from > > userland usually turns out to be problematic. If this can't be solved > > any other way, I think the right thing to do is replacing the path > > with cgroup id as Christoph suggested. > > Agreed. The path is not that important, right?
It can be, but we can print out the ino and userland can match that up with path if necessary. Thanks. -- tejun
