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Message-ID: <1371237192.2726.46.camel@dabdike>
Date: Fri, 14 Jun 2013 12:13:12 -0700
From: James Bottomley <James.Bottomley@...senPartnership.com>
To: David Daney <ddaney.cavm@...il.com>
Cc: Parisc List <linux-parisc@...r.kernel.org>,
Thomas Gleixner <tglx@...utronix.de>,
linux-kernel <linux-kernel@...r.kernel.org>,
Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH RESEND] fix WARNING: at kernel/cpu/idle.c:96
On Fri, 2013-06-14 at 12:11 -0700, David Daney wrote:
> On 06/14/2013 11:55 AM, James Bottomley wrote:
> >>From 48bbf44a96676ce6f520a408378730c976e9a11e Mon Sep 17 00:00:00 2001
> > From: James Bottomley <JBottomley@...allels.com>
> > Date: Wed, 8 May 2013 14:05:34 -0700
> > Subject: [PATCH] [PARISC] fix WARNING: at kernel/cpu/idle.c:96
> >
> > On PA-RISC (and presumably any other arch that doesn't implement its own
> > arch_cpu_idle), we get this spurious boot warning. The problem is that the
> > way the idle task is selected initially using the weak arch_cpu_idle() in
> > idle.c causes us to enter this place once with interrupts enabled. Fix this
> > by disabling interrupts in the weak arch_cpu_idle() code.
>
> Is this changelog correct? It looks to me like you are enabling
> interrupts down there.
Yes, obvious typo, sorry. The WARN_ON check is for disabled interrupts
the fix is to enable them.
James
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