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

From: Catalin Marinas
Date: Tue Feb 09 2016 - 11:24:36 EST


On Tue, Feb 09, 2016 at 04:04:42PM +0000, Will Deacon wrote:
> 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@xxxxxxx> wrote:
> >
> >
> > > Acked-by: Will Deacon <will.deacon@xxxxxxx>
>
> > 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.

Queued.

--
Catalin