linux-kernel - Re: [PATCH RFC v5 2/6] srcu: Add notrace variants of srcu_read

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Date:   Tue, 1 May 2018 10:04:53 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Joel Fernandes <joelaf@...gle.com>
Cc:     linux-kernel@...r.kernel.org,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        Peter Zilstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Tom Zanussi <tom.zanussi@...ux.intel.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Thomas Glexiner <tglx@...utronix.de>,
        Boqun Feng <boqun.feng@...il.com>,
        Frederic Weisbecker <fweisbec@...il.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Fenguang Wu <fengguang.wu@...el.com>,
        Baohong Liu <baohong.liu@...el.com>,
        Vedang Patel <vedang.patel@...el.com>, kernel-team@...roid.com
Subject: Re: [PATCH RFC v5 2/6] srcu: Add notrace variants of
 srcu_read_{lock,unlock}

On Mon, 30 Apr 2018 18:42:00 -0700
Joel Fernandes <joelaf@...gle.com> wrote:

> From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
> 
> This is needed for a future tracepoint patch that uses srcu, and to make
> sure it doesn't call into lockdep.
> 
> tracepoint code already calls notrace variants for rcu_read_lock_sched
> so this patch does the same for srcu which will be used in a later
> patch. Keeps it consistent with rcu-sched.
> 
> [Joel: Added commit message]
>

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

-- Steve
 
> Cc: Steven Rostedt <rostedt@...dmis.org>
> Cc: Peter Zilstra <peterz@...radead.org>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
> Cc: Tom Zanussi <tom.zanussi@...ux.intel.com>
> Cc: Namhyung Kim <namhyung@...nel.org>
> Cc: Thomas Glexiner <tglx@...utronix.de>
> Cc: Boqun Feng <boqun.feng@...il.com>
> Cc: Paul McKenney <paulmck@...ux.vnet.ibm.com>
> Cc: Frederic Weisbecker <fweisbec@...il.com>
> Cc: Randy Dunlap <rdunlap@...radead.org>
> Cc: Masami Hiramatsu <mhiramat@...nel.org>
> Cc: Fenguang Wu <fengguang.wu@...el.com>
> Cc: Baohong Liu <baohong.liu@...el.com>
> Cc: Vedang Patel <vedang.patel@...el.com>
> Cc: kernel-team@...roid.com
> Signed-off-by: Paul McKenney <paulmck@...ux.vnet.ibm.com>
> Signed-off-by: Joel Fernandes <joelaf@...gle.com>
> ---
>