linux-kernel - Re: [PATCH 2/4] nohz: Print final full dynticks CPUs range on boot

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Message-ID: <CAFTL4hzz1jKu0tZn=-d0_csvYM_m9L+eRpw1qmmn30iC7cU=BQ@mail.gmail.com>
Date:	Fri, 29 Mar 2013 01:39:04 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>
Cc:	Ingo Molnar <mingo@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Chris Metcalf <cmetcalf@...era.com>,
	Christoph Lameter <cl@...ux.com>,
	Geoff Levand <geoff@...radead.org>,
	Gilad Ben Yossef <gilad@...yossef.com>,
	Hakan Akkan <hakanakkan@...il.com>,
	Kevin Hilman <khilman@...aro.org>,
	Li Zhong <zhong@...ux.vnet.ibm.com>,
	Namhyung Kim <namhyung.kim@....com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 2/4] nohz: Print final full dynticks CPUs range on boot

2013/3/29 Paul Gortmaker <paul.gortmaker@...driver.com>:
> [Re: [PATCH 2/4] nohz: Print final full dynticks CPUs range on boot] On 28/03/2013 (Thu 08:40) Ingo Molnar wrote:
>
>>
>> * Frederic Weisbecker <fweisbec@...il.com> wrote:
>>
>> > +   cpulist_scnprintf(nohz_ext_buf, sizeof(nohz_ext_buf), nohz_extended_mask);
>> > +   pr_info("NO_HZ: Experimental full dynticks CPUs: %s.\n", nohz_ext_buf);
>>
>> I'd suggest removing the 'experimental' word. We are not sending anything
>> experimental to Linus: we'll send something that is tested and that we
>> expect to not break anything. (and which we'll fix if it does)
>
> In that case, should we vector a patch through PaulM to clobber these too?
>
> $ git grep xperiment |grep rcu
> kernel/rcutree_plugin.h: printk(KERN_INFO "\tExperimental boot-time adjustment of leaf fanout to %d.\n", rcu_fanout_leaf);
> kernel/rcutree_plugin.h: pr_info("\tExperimental no-CBs CPUs: %s.\n", nocb_buf);
> kernel/rcutree_plugin.h: pr_info("\tExperimental polled no-CBs CPUs.\n");

Hehe, that's indeed what I inspired from ;-)
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