On Fri, Dec 11, 2020 at 12:39:21AM +1100, Daniel Axtens wrote: > Hi Vlad, > > >> Initialize the RCU-tasks earlier, before *_initcall() callbacks are > >> invoked. Do it after the workqueue subsytem is up and running. That > >> gives us a possibility to make use of synchronize_rcu_tasks*() wait > >> API in early_initcall() callbacks. > >> > >> Fixes: 36dadef23fcc ("kprobes: Init kprobes in early_initcall") > >> Signed-off-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx> > > Tested-by: Daniel Axtens <dja@xxxxxxxxxx> I will apply on the next rebase, thank you! Thanx, Paul > >> --- > >> include/linux/rcupdate.h | 6 ++++++ > >> init/main.c | 1 + > >> kernel/rcu/tasks.h | 26 ++++++++++++++++++++++---- > >> 3 files changed, 29 insertions(+), 4 deletions(-) > >> > > I still don't have a powerPC hw so far, even though i have sent a request > > to the osuosl.org. It would be appreciated if Michael or Daniel could run > > and verify it. > > Sorry it's taken me so long to get to this. Your patch fixes things for > me. Thanks! > > BTW, I'm happy to see you taking on the challenge of RCU after your good > work on vmalloc - all the best with it! > > Kind regards, > Daniel > > > > > Thank you in advance! > > > > -- > > Vlad Rezki