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

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Message-ID: <20170410141629.45ccb7a6@gandalf.local.home>
Date:   Mon, 10 Apr 2017 14:16:29 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
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, 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>
>

Thank you very much!

-- Steve