From: Lai Jiangshan <laijs@cn.fujitsu.com>
To: paulmck@linux.vnet.ibm.com
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, 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, avi@redhat.com,
mtosatti@redhat.com, torvalds@linux-foundation.org
Subject: Re: [PATCH RFC tip/core/rcu 1/3] rcu: The Bloatwatch Edition, v7
Date: Tue, 13 Oct 2009 14:05:15 +0800 [thread overview]
Message-ID: <4AD4189B.2000308@cn.fujitsu.com> (raw)
In-Reply-To: <20091012173006.GC6764@linux.vnet.ibm.com>
Paul E. McKenney wrote:
> Hmmmm... Does this apply even when called from ksoftirqd?
>
> Adding the local_irq_save() just out of paranoia for the moment.
> And therefore moving the local_irq_save() down to the common
> rcu_qsctr_help() function. Which I am renaming to rcu_qs_help()
> for consistency.
>
> Or am I missing something here?
>
You are right! local_irq_save() is needed.
Lai
next prev parent reply other threads:[~2009-10-13 6:06 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-09 22:49 [PATCH RFC tip/core/rcu 0/3] Tiny RCU and expedited SRCU Paul E. McKenney
2009-10-09 22:50 ` [PATCH RFC tip/core/rcu 1/3] rcu: The Bloatwatch Edition, v7 Paul E. McKenney
2009-10-12 9:29 ` Lai Jiangshan
2009-10-12 16:40 ` Linus Torvalds
2009-10-12 17:30 ` Paul E. McKenney
2009-10-13 6:05 ` Lai Jiangshan [this message]
2009-10-13 7:44 ` Lai Jiangshan
2009-10-13 17:00 ` Paul E. McKenney
2009-10-14 0:37 ` Lai Jiangshan
2009-10-14 1:09 ` Paul E. McKenney
2009-10-14 2:05 ` Lai Jiangshan
2009-10-14 2:49 ` Steven Rostedt
2009-10-27 7:26 ` Lai Jiangshan
2009-10-27 19:56 ` Steven Rostedt
2009-10-14 2:52 ` Paul E. McKenney
2009-10-09 22:50 ` [PATCH RFC tip/core/rcu 2/3] rcu: Add synchronize_srcu_expedited() Paul E. McKenney
2009-10-09 22:50 ` [PATCH RFC tip/core/rcu 3/3] rcu: add synchronize_srcu_expedited() to the rcutorture test suite Paul E. McKenney
2009-10-10 3:47 ` [PATCH RFC tip/core/rcu 0/3] Tiny RCU and expedited SRCU Josh Triplett
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