On Thu, Dec 07, 2017 at 08:34:56AM +0900, Masami Hiramatsu wrote: > On Wed, 06 Dec 2017 18:25:55 +0100 > <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > > > > This is a note to let you know that I've just added the patch titled > > > > kprobes: Use synchronize_rcu_tasks() for optprobe with CONFIG_PREEMPT=y > > > > to the 4.14-stable tree which can be found at: > > http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary > > > > The filename of the patch is: > > kprobes-use-synchronize_rcu_tasks-for-optprobe-with-config_preempt-y.patch > > and it can be found in the queue-4.14 subdirectory. > > > > If you, or anyone else, feels it should not be added to the stable tree, > > please let <stable@xxxxxxxxxxxxxxx> know about it. > > this depends on > commit 7e42776d5ed1f ("rcu: Drive TASKS_RCU directly off of PREEMPT") That patch is already in 4.14, so all should be fine there. > So, pull above commit too, for 4.14 and 4.9. But I'm not sure TASKS_RCU is > introduced on 3.18. I've dropped this from 3.18 for now, and I'll go drop it from 4.9 as I don't think it's really worth it at this point in time. thanks for the review and quick response. greg k-h