linux-kernel - Re: [PATCH 1/2] MIPS: OCTEON: fix kernel crash when offlining a CPU

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Date:	Thu, 15 Jan 2015 22:24:30 +0200
From:	Aaro Koskinen <aaro.koskinen@....fi>
To:	David Daney <ddaney.cavm@...il.com>
Cc:	Ralf Baechle <ralf@...ux-mips.org>,
	David Daney <david.daney@...ium.com>,
	linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org,
	Hemmo Nieminen <hemmo.nieminen@....fi>, stable@...r.kernel.org
Subject: Re: [PATCH 1/2] MIPS: OCTEON: fix kernel crash when offlining a CPU

Hi,

On Thu, Jan 15, 2015 at 12:10:08PM -0800, David Daney wrote:
> On 01/15/2015 11:53 AM, Aaro Koskinen wrote:
> >Hi,
> >
> >On Thu, Jan 15, 2015 at 11:36:12AM -0800, David Daney wrote:
> >>On 01/15/2015 10:49 AM, Aaro Koskinen wrote:
> >>>octeon_cpu_disable() will unconditionally enable interrupts when called
> >>>with interrupts disabled. Fix that.
> >>
> >>interrupts are always disabled here, so...
> >
> >Is that also true for all the currently supported stable kernels...?
> 
> I haven't done extensive research recently, but I have removed that pair of
> local_irq_disable/local_irq_enable in our SDK kernel based on 3.10

Ok, I'll add stable tag only for 3.18 as that is the oldest I can test
with at the moment.

A.
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