linux-kernel - Re: [PATCH v3 12/22] tracing: Employ trace_rcu

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Message-ID: <20200219105245.05072de5@gandalf.local.home>
Date:   Wed, 19 Feb 2020 10:52:45 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        mingo@...nel.org, joel@...lfernandes.org,
        gregkh@...uxfoundation.org, gustavo@...eddedor.com,
        tglx@...utronix.de, paulmck@...nel.org, josh@...htriplett.org,
        mathieu.desnoyers@...icios.com, jiangshanlai@...il.com,
        luto@...nel.org, tony.luck@...el.com, frederic@...nel.org,
        dan.carpenter@...cle.com, mhiramat@...nel.org
Subject: Re: [PATCH v3 12/22] tracing: Employ trace_rcu_{enter,exit}()

On Wed, 19 Feb 2020 15:47:36 +0100
Peter Zijlstra <peterz@...radead.org> wrote:

> Replace the opencoded (and incomplete) RCU manipulations with the new
> helpers to ensure a regular RCU context when calling into
> __ftrace_trace_stack().
> 
> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
> ---


Reviewed-by: Steven Rostedt (VMware) <rostedt@...dmis.org>

-- Steve