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Date: Fri, 9 Aug 2013 17:37:49 +0200 From: Frederic Weisbecker <fweisbec@...il.com> To: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> Cc: linux-kernel@...r.kernel.org, mingo@...e.hu, laijs@...fujitsu.com, dipankar@...ibm.com, akpm@...ux-foundation.org, mathieu.desnoyers@...ymtl.ca, josh@...htriplett.org, niv@...ibm.com, tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com, darren@...art.com, sbw@....edu Subject: Re: [PATCH RFC nohz_full 3/7] nohz_full: Add per-CPU idle-state tracking On Fri, Jul 26, 2013 at 04:19:20PM -0700, Paul E. McKenney wrote: > From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> > > This commit adds the code that updates the rcu_dyntick structure's > new fields to track the per-CPU idle state based on interrupts and > transitions into and out of the idle loop (NMIs are ignored because NMI > handlers cannot cleanly read out the time anyway). This code is similar > to the code that maintains RCU's idea of per-CPU idleness, but differs > in that RCU treats CPUs running in user mode as idle, where this new > code does not. > > Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com> Acked-by: Frederic Weisbecker <fweisbec@...il.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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