From: Frederic Weisbecker <fweisbec@gmail.com>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu,
laijs@cn.fujitsu.com, dipankar@in.ibm.com,
akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca,
josh@joshtriplett.org, dvhltc@us.ibm.com, niv@us.ibm.com,
tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org,
Valdis.Kletnieks@vt.edu, dhowells@redhat.com,
Ingo Molnar <mingo@redhat.com>
Subject: Re: [PATCH tip/core/rcu 3/3] rcu, ftrace: fix RCU lockdep splat in ftrace_perf_buf_prepare()
Date: Thu, 4 Mar 2010 04:55:36 +0100 [thread overview]
Message-ID: <20100304035534.GA14460@nowhere> (raw)
In-Reply-To: <1267667418-32233-3-git-send-email-paulmck@linux.vnet.ibm.com>
On Wed, Mar 03, 2010 at 05:50:18PM -0800, Paul E. McKenney wrote:
> Change the pair of rcu_dereference() calls in ftrace_perf_buf_prepare()
> to rcu_dereference_sched().
>
> Cc: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
next prev parent reply other threads:[~2010-03-04 3:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-04 1:50 [PATCH tip/core/rcu 0/3] rcu: fix !PREEMPT, __mpol_dup(), and ftrace_perf_buf_prepare() RCU lockdep splats Paul E. McKenney
2010-03-04 1:50 ` [PATCH tip/core/rcu 1/3] rcu: Make rcu_read_lock_sched_held() handle !PREEMPT Paul E. McKenney
2010-03-04 16:32 ` [tip:core/urgent] " tip-bot for Paul E. McKenney
2010-03-04 1:50 ` [PATCH tip/core/rcu 2/3] rcu: suppress __mpol_dup() false positive from RCU lockdep Paul E. McKenney
2010-03-04 16:32 ` [tip:core/urgent] rcu: Suppress " tip-bot for Paul E. McKenney
2010-03-04 1:50 ` [PATCH tip/core/rcu 3/3] rcu, ftrace: fix RCU lockdep splat in ftrace_perf_buf_prepare() Paul E. McKenney
2010-03-04 3:55 ` Frederic Weisbecker [this message]
2010-03-04 16:33 ` [tip:core/urgent] rcu, ftrace: Fix " tip-bot for Paul E. McKenney
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