linux-kernel - Re: [PATCH 07/10] nohz: Enforce timekeeping on CPU 0

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Message-ID: <20140719194525.GT9918@twins.programming.kicks-ass.net>
Date:	Sat, 19 Jul 2014 21:45:25 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Nicolas Pitre <nicolas.pitre@...aro.org>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Viresh Kumar <viresh.kumar@...aro.org>
Subject: Re: [PATCH 07/10] nohz: Enforce timekeeping on CPU 0

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 :-)
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