linux-kernel - Re: linux-next: build failure after merge of the tip tree

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Date:	Sat, 18 Jan 2014 15:06:11 +0100
From:	Sabrina Dubroca <sd@...asysnail.net>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Mike Galbraith <bitbucket@...ine.de>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, Len Brown <lenb@...nel.org>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-next: build failure after merge of the tip tree

2014-01-18, 13:44:51 +0100, Peter Zijlstra wrote:
> On Sat, Jan 18, 2014 at 10:46:06AM +0100, Mike Galbraith wrote:
> > 
> > I hope it doesn't look quite like that, next-20140117 is -ENOBOOT on
> > Q6600 box.  See below for an alternative.
> 
> Urgh, I see, we call the idle arch_cpu_idle() callback with irqs
> disabled.
> 
> Could something like this work?
> 
> 	local_irq_enable();
> 	mwait_idle_with_hints(0,0);
> 
> The interrupt enable window is slightly larger, but I'm not immediately
> seeing a problem with that.

next-20140117 doesn't boot on my T7300 laptop either. I've tried the
two fixes, they both work for me.


Thanks,

-- 
Sabrina
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