[PATCH] arm64: replace read_lock to rcu lock in call_step_hook

[Will Deacon]

On Tue, Feb 09, 2016 at 10:07:58AM -0500, Steven Rostedt wrote:
> On Tue, 9 Feb 2016 14:54:26 +0000
> Will Deacon <will.deacon at arm.com> wrote:
> 
> 
> > Acked-by: Will Deacon <will.deacon at arm.com>
> 
> Will,

Hi Steve,

> The patch looks good to me. Do you want to take it through your tree?
> 
> It benefits mainline too as a rcu_read_lock() is more efficient than
> rwlocks. Although I will say this is a slow path anyway.

I was thinking that Catalin would queue it for 4.6 in the arm64 tree,
since that's probably easiest in case any unlikely conflicts crop up.

Will