linux-kernel - Re: [PATCH 0/8] nohz: Fix nohz kick irq work on tick v2

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Message-ID: <20140912190057.GQ16043@twins.programming.kicks-ass.net>
Date:	Fri, 12 Sep 2014 21:00:57 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, Dave Jones <davej@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Russell King <linux@....linux.org.uk>,
	Catalin Iacob <iacobcatalin@...il.com>,
	"Paul E . McKenney" <paulmck@...ux.vnet.ibm.com>,
	Will Deacon <will.deacon@....com>,
	Ingo Molnar <mingo@...nel.org>,
	Catalin Marinas <catalin.marinas@....com>
Subject: Re: [PATCH 0/8] nohz: Fix nohz kick irq work on tick v2

On Fri, Sep 12, 2014 at 08:05:49PM +0200, Frederic Weisbecker wrote:
> > Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
> 
> Intel? :-) Wow.

Yeah, moved about a month ago :-)

> Note, I fear I'll have to turn the static_cpu_has into cpu_has. The
> alternatives code which initialize all static_cpu_has() things
> is called from check_bugs() in start_kernel() which is way after
> IRQs are enabled for the 1st time. irq_work_tick() has many opportunities
> to run in between.

Ah well. It was worth a try I suppose.
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