From: Peter Zijlstra <peterz@infradead.org>
To: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
LKML <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Thomas Gleixner <tglx@linutronix.de>,
Viresh Kumar <viresh.kumar@linaro.org>
Subject: Re: [PATCH 07/10] nohz: Enforce timekeeping on CPU 0
Date: Sat, 19 Jul 2014 21:45:25 +0200 [thread overview]
Message-ID: <20140719194525.GT9918@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <alpine.LFD.2.11.1407191442100.3647@knanqh.ubzr>
On Sat, Jul 19, 2014 at 02:46:56PM -0400, Nicolas Pitre wrote:
> People think all sorts of things. And it becomes very irritating when
> thoughtful assumptions get burned into ROM for example. We should be
> able to do better in the kernel.
Agreed. There used to be an x86 subarch where the boot cpu wasn't cpu0,
that always gave a lot of 'joy' too :-)
next prev parent reply other threads:[~2014-07-19 19:45 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-19 0:44 [RFC PATCH 00/10] nohz: Support sysidle (and some more cleanups) Frederic Weisbecker
2014-07-19 0:44 ` [PATCH 01/10] irq_work: Introduce void irq work Frederic Weisbecker
2014-07-21 18:16 ` Paul E. McKenney
2014-07-19 0:44 ` [PATCH 02/10] nohz: Kick full dynticks timer targets with an empty IPI Frederic Weisbecker
2014-07-19 7:19 ` Peter Zijlstra
2014-07-19 13:18 ` Frederic Weisbecker
2014-07-19 13:47 ` Peter Zijlstra
2014-07-19 13:54 ` Frederic Weisbecker
2014-07-19 0:44 ` [PATCH 03/10] rcu: Kick full dynticks CPU on extended grace period with a void IRQ Frederic Weisbecker
2014-07-21 18:16 ` Paul E. McKenney
2014-07-19 0:44 ` [PATCH 04/10] nohz: Appropriate timekeeper kick on sysidle break Frederic Weisbecker
2014-07-21 18:15 ` Paul E. McKenney
2014-07-19 0:44 ` [PATCH 05/10] smp: Fast path check on IPI list Frederic Weisbecker
2014-07-19 0:44 ` [PATCH 06/10] nohz: Define meaningful symbol for nohz full timekeeper Frederic Weisbecker
2014-07-21 18:11 ` Paul E. McKenney
2014-07-21 18:12 ` Paul E. McKenney
2014-07-25 21:27 ` Frederic Weisbecker
2014-07-19 0:44 ` [PATCH 07/10] nohz: Enforce timekeeping on CPU 0 Frederic Weisbecker
2014-07-19 17:31 ` Nicolas Pitre
2014-07-19 18:31 ` Peter Zijlstra
2014-07-19 18:46 ` Nicolas Pitre
2014-07-19 19:45 ` Peter Zijlstra [this message]
2014-07-20 1:07 ` Frederic Weisbecker
2014-07-19 0:44 ` [PATCH 08/10] nohz: Fetch timekeeping max deferment only for timekeeper Frederic Weisbecker
2014-07-19 0:44 ` [PATCH 09/10] nohz: Switch nohz full timekeeper to dynticks idle on top of sysidle detection Frederic Weisbecker
2014-07-21 17:50 ` Paul E. McKenney
2014-07-19 0:44 ` [PATCH 10/10] nohz: Warn on illegal timekeeper switch in nohz full Frederic Weisbecker
2014-07-21 17:51 ` Paul E. McKenney
-- strict thread matches above, loose matches on Subject: below --
2014-07-28 17:37 [PATCH 00/10] nohz: Support sysidle (+ some more nohz kick cleanups) Frederic Weisbecker
2014-07-28 17:37 ` [PATCH 07/10] nohz: Enforce timekeeping on CPU 0 Frederic Weisbecker
2014-07-29 12:12 ` Peter Zijlstra
2014-07-30 13:23 ` Frederic Weisbecker
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