From: Steven Rostedt <rostedt@goodmis.org>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 2/7 v3] tracing: Replace the per_cpu() with __this_cpu*() in trace_stack.c
Date: Mon, 10 Apr 2017 14:16:29 -0400 [thread overview]
Message-ID: <20170410141629.45ccb7a6@gandalf.local.home> (raw)
In-Reply-To: <20170410181515.GV1600@linux.vnet.ibm.com>
On Mon, 10 Apr 2017 11:15:15 -0700
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote:
> On Mon, Apr 10, 2017 at 02:10:07PM -0400, Steven Rostedt wrote:
> > From: "Steven Rostedt (VMware)" <rostedt@goodmis.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@goodmis.org>
>
> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
>
Thank you very much!
-- Steve
next prev parent reply other threads:[~2017-04-10 18:16 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-10 18:10 [PATCH 0/7 v3] tracing: Add usecase of synchronize_rcu_tasks() and stack_tracer_disable() Steven Rostedt
2017-04-10 18:10 ` [PATCH 1/7 v3] ftrace: Add use of synchronize_rcu_tasks() with dynamic trampolines Steven Rostedt
2017-04-10 18:10 ` [PATCH 2/7 v3] tracing: Replace the per_cpu() with __this_cpu*() in trace_stack.c Steven Rostedt
2017-04-10 18:15 ` Paul E. McKenney
2017-04-10 18:16 ` Steven Rostedt [this message]
2017-04-10 18:20 ` Steven Rostedt
2017-04-10 18:31 ` Paul E. McKenney
2017-04-10 18:10 ` [PATCH 3/7 v3] tracing: Add stack_tracer_disable/enable() functions Steven Rostedt
2017-04-10 18:10 ` [PATCH 4/7 v3] tracing: Rename trace_active to disable_stack_tracer and inline its modification Steven Rostedt
2017-04-10 18:30 ` Paul E. McKenney
2017-04-10 18:10 ` [PATCH 5/7 v3] rcu: Fix dyntick-idle tracing Steven Rostedt
2017-04-10 18:10 ` [PATCH 6/7 v3] rcu/tracing: Add rcu_disabled to denote when rcu_irq_enter() will not work Steven Rostedt
2017-04-10 18:10 ` [PATCH 7/7 v3] tracing: Make sure rcu_irq_enter() can work for trace_*_rcuidle() trace events Steven Rostedt
2017-04-10 18:29 ` Paul E. McKenney
2017-04-10 18:32 ` Steven Rostedt
2017-04-10 18:36 ` Paul E. McKenney
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