linux-kernel - Re: [PATCH 2/7 v3] tracing: Replace the per_cpu() with __this_cpu*() in trace

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Date:   Mon, 10 Apr 2017 11:31:27 -0700
From:   "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 2/7 v3] tracing: Replace the per_cpu() with __this_cpu*()
 in trace_stack.c

On Mon, Apr 10, 2017 at 02:20:34PM -0400, Steven Rostedt wrote:
> On Mon, 10 Apr 2017 11:15:15 -0700
> "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> wrote:
> 
> > On Mon, Apr 10, 2017 at 02:10:07PM -0400, Steven Rostedt wrote:
> > > From: "Steven Rostedt (VMware)" <rostedt@...dmis.org>
> > > 
> > > The updates to the trace_active per cpu variable can be updated with the
> > > __this_cpu_*() functions as it only gets updated on the CPU that the variable
> > > is on.
> > > 
> > > Thanks to Paul McKenney for suggesting __this_cpu_* instead of this_cpu_*.
> > > 
> > > Signed-off-by: Steven Rostedt (VMware) <rostedt@...dmis.org>  
> > 
> > Acked-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
> > 
> 
> Paul, I added your ack on 7/7 as well. Is that fine with you. Also, did
> you want me to keep your ack on this one?

Yes to both.  Our emails crossed.  ;-)

							Thanx, Paul