linux-kernel - Re: 2.6.27-rc5 xen balloon driver warnings

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Date:	Mon, 08 Sep 2008 11:13:52 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Rambaldi <rambaldi@...all.nl>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.27-rc5 xen balloon driver warnings

Ingo Molnar wrote:
> * Jeremy Fitzhardinge <jeremy@...p.org> wrote:
>
>   
>> Rambaldi wrote:
>>     
>>> Hi,
>>>
>>> when running the 2.6.27-rc5 kernel as 64 bits dumU I get the following
>>> warnings:
>>>       
>> This patch, change 167e6cf62979df03513898966f9227847d192327 in tip.git,
>> should fix this.  I'm not sure if the other sysfs changes apply to
>> mainline git or not.
>>
>> Could you try this and see how it goes?  The first chunk should be
>> sufficient to fix your problem.
>>     
>
> We could certainly propagate it to x86/urgent, if it fixes a real issue. 
> It cherry-picks just fine.
>   

The rest of that patch updates the sysfs entries in line with Andi's
changes, but I don't think they're in mainline yet.

The sysfs namespace clash means that Xen balloon and hotplug memory try
to register the same name, which is bad because one of them is going to
lose.

    J
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