From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sabrina Dubroca Subject: Re: linux-next: build failure after merge of the tip tree Date: Sat, 18 Jan 2014 15:06:11 +0100 Message-ID: <20140118140611.GA23364@kria> References: <20140116145829.5e4fcab103b1c5c77501ee77@canb.auug.org.au> <20140116121955.GQ31570@twins.programming.kicks-ass.net> <20140117074628.88698f59939c9002b7c12968@canb.auug.org.au> <20140116222536.GX30183@twins.programming.kicks-ass.net> <20140117093426.ee8e3d1bb2e95c9f67ec625b@canb.auug.org.au> <52D8625C.1000902@zytor.com> <20140117144518.231fa4bccb16a8d7edd36662@canb.auug.org.au> <1390038366.5676.10.camel@marge.simpson.net> <20140118124451.GA30183@twins.programming.kicks-ass.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Return-path: Received: from smtp4-g21.free.fr ([212.27.42.4]:33248 "EHLO smtp4-g21.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752032AbaAROGh (ORCPT ); Sat, 18 Jan 2014 09:06:37 -0500 Content-Disposition: inline In-Reply-To: <20140118124451.GA30183@twins.programming.kicks-ass.net> Sender: linux-next-owner@vger.kernel.org List-ID: To: Peter Zijlstra Cc: Mike Galbraith , Stephen Rothwell , "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , Len Brown , linux-next@vger.kernel.org, linux-kernel@vger.kernel.org 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