From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Lai Jiangshan <laijs@cn.fujitsu.com>, Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH 0/3 v3] rcu: Detect rcu uses under extended quiescent state
Date: Fri, 24 Jun 2011 11:18:45 +0200 [thread overview]
Message-ID: <1308907125.27849.19.camel@twins> (raw)
In-Reply-To: <1308870760-14153-1-git-send-email-fweisbec@gmail.com>
On Fri, 2011-06-24 at 01:12 +0200, Frederic Weisbecker wrote:
> This time I have no current practical cases to fix. Those I fixed
> in previous versions were actually using rcu_dereference_raw(), which
> is legal in extended qs.
>
> Frederic Weisbecker (3):
> rcu: Detect illegal rcu dereference in extended quiescent state
> rcu: Inform the user about dynticks idle mode on PROVE_RCU warning
> rcu: Warn when rcu_read_lock() is used in extended quiescent state
>
> include/linux/rcupdate.h | 68 +++++++++++++++++++++++++++++++++++++++-------
> kernel/lockdep.c | 4 +++
> kernel/rcupdate.c | 4 +++
> kernel/rcutiny.c | 13 +++++++++
> kernel/rcutree.c | 14 +++++++++
> 5 files changed, 93 insertions(+), 10 deletions(-)
Right, so the only comment I have is that it might have been nice to
explain what the heck an extended qs is :-) I've since figured it out,
but it did require waking up my brain.
next prev parent reply other threads:[~2011-06-24 9:19 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-23 23:12 [PATCH 0/3 v3] rcu: Detect rcu uses under extended quiescent state Frederic Weisbecker
2011-06-23 23:12 ` [PATCH 1/3] rcu: Detect illegal rcu dereference in " Frederic Weisbecker
2011-06-23 23:12 ` [PATCH 2/3] rcu: Inform the user about dynticks idle mode on PROVE_RCU warning Frederic Weisbecker
2011-06-23 23:12 ` [PATCH 3/3] rcu: Warn when rcu_read_lock() is used in extended quiescent state Frederic Weisbecker
2011-06-24 3:53 ` [PATCH 0/3 v3] rcu: Detect rcu uses under " Paul E. McKenney
2011-06-24 11:20 ` Frederic Weisbecker
2011-06-26 1:13 ` Paul E. McKenney
2011-06-26 1:55 ` Frederic Weisbecker
2011-06-26 2:10 ` Paul E. McKenney
2011-06-24 9:18 ` Peter Zijlstra [this message]
2011-06-24 11:48 ` Frederic Weisbecker
2011-06-25 5:10 ` Paul E. McKenney
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