Re: [PATCH 1/3] tracepoints: Do not use call_rcu_sched() before early_initcall()

[Steven Rostedt]

On Sun, 14 Dec 2014 10:18:35 -0800
"Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx> wrote:

> > With your feed back, and because I would like this to go into 3.19, I
> > would like to keep the current patch as is (with the read_mostly
> > update, which I'm currently testing). We can always change it later
> > after call_rcu() has been changed.
> 
> Completely agreed!  ;-)

For this late in the game, we need to play it safe.

I got rid of my tracepoint patch and moved trace_init() to after
rcu_init(), which I think is good enough for Thomas. Thomas?

I'll start testing that now.

Later, if you could add a rcu_init() version that lets us call
call_rcu_sched() just after mm_init() then we could move trace_init()
up a bit more.

Thanks,

-- Steve
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