From: Peter Zijlstra <peterz@infradead.org>
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@efficios.com,
josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de,
rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com,
darren@dvhart.com, fweisbec@gmail.com, sbw@mit.edu
Subject: Re: [PATCH RFC nohz_full 0/8] Provide infrastructure for full-system idle
Date: Thu, 27 Jun 2013 11:42:26 +0200 [thread overview]
Message-ID: <20130627094226.GP28407@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20130626222442.GU3828@linux.vnet.ibm.com>
On Wed, Jun 26, 2013 at 03:24:42PM -0700, Paul E. McKenney wrote:
> Just to make sure I understand... You are saying that it is OK for
> NO_HZ_FULL to shut down timekeeping if all CPUs are idle, even if some
> of them are taking NMIs from time to time, right?
Yeah.. its what we currently do and I don't see any reason to have
NO_HZ_FULL behave differently there.
next prev parent reply other threads:[~2013-06-27 9:42 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-25 21:37 [PATCH RFC nohz_full 0/8] Provide infrastructure for full-system idle Paul E. McKenney
2013-06-25 21:37 ` [PATCH RFC nohz_full 1/8] nohz_full: Add Kconfig parameter for scalable detection of all-idle state Paul E. McKenney
2013-06-25 21:37 ` [PATCH RFC nohz_full 2/8] nohz_full: Add rcu_dyntick data " Paul E. McKenney
2013-06-25 21:37 ` [PATCH RFC nohz_full 3/8] nohz_full: Add per-CPU idle-state tracking Paul E. McKenney
2013-06-25 21:37 ` [PATCH RFC nohz_full 4/8] nohz_full: Add per-CPU idle-state tracking for NMIs Paul E. McKenney
2013-06-25 21:37 ` [PATCH RFC nohz_full 5/8] nohz_full: Add full-system idle states and variables Paul E. McKenney
2013-06-25 21:37 ` [PATCH RFC nohz_full 6/8] nohz_full: Add full-system-idle arguments to API Paul E. McKenney
2013-06-25 21:37 ` [PATCH RFC nohz_full 7/8] nohz_full: Add full-system-idle state machine Paul E. McKenney
2013-06-25 21:37 ` [PATCH RFC nohz_full 8/8] nohz_full: Force RCU's grace-period kthreads onto timekeeping CPU Paul E. McKenney
2013-06-25 21:49 ` [PATCH RFC nohz_full 0/8] Provide infrastructure for full-system idle Thomas Gleixner
2013-06-25 22:01 ` Paul E. McKenney
2013-06-26 1:11 ` Andy Lutomirski
2013-06-26 14:31 ` Paul E. McKenney
2013-06-26 12:20 ` Peter Zijlstra
2013-06-26 22:24 ` Paul E. McKenney
2013-06-27 9:42 ` Peter Zijlstra [this message]
2013-06-27 12:44 ` Paul E. McKenney
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