linux-kernel - Re: [PATCH v2] x86, hotplug: fix llc shared map unreleased during cpu hotplug

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Message-ID: <20140729090242.GA9959@kernel>
Date:	Tue, 29 Jul 2014 17:02:42 +0800
From:	Wanpeng Li <wanpeng.li@...ux.intel.com>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>,
	Wanpeng Li <wanpeng.li@...ux.intel.com>, hpa@...or.com,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>, x86@...nel.org,
	David Rientjes <rientjes@...gle.com>,
	Prarit Bhargava <prarit@...hat.com>,
	Steven Rostedt <srostedt@...hat.com>,
	Jan Kiszka <jan.kiszka@...mens.com>,
	Toshi Kani <toshi.kani@...com>, linux-kernel@...r.kernel.org,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	"Zhang, Yang Z" <yang.z.zhang@...el.com>,
	Yong Wang <yong.y.wang@...ux.intel.com>
Subject: Re: [PATCH v2] x86, hotplug: fix llc shared map unreleased during
 cpu hotplug

On Tue, Jul 29, 2014 at 10:33:59AM +0200, Borislav Petkov wrote:
>On Tue, Jul 29, 2014 at 04:31:30PM +0900, Yasuaki Ishimatsu wrote:
>> >>I posted a latest patch as follows:
>> >>https://lkml.org/lkml/2014/7/22/1018
>> >>
>> >>Could you confirm the patch fixes your issue?
>> >
>> >Sorry for the late, there is still call trace w/ your patch applied. The
>> >call trace is in attachment.
>> 
>> Thank you for reporting the result. As Borislav said, your v2 patch
>> is necessary for fixing your issue.
>
>..
>
>> >>>Signed-off-by: Wanpeng Li <wanpeng.li@...ux.intel.com>
>> 
>> Reviewed-by: Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
>
>Ok, Wanpeng, please send a cleaner version of your patch with a
>simplified backtrace in it - the addresses will make no sense anyway so
>you can do this:
>
>Call Trace:
>load_balance
>? _raw_spin_unlock_irqrestore
>idle_balance
>...
>

Just send out the new version.

Regards,
Wanpeng Li 

>so that we can still see how it happens.
>
>Thanks.
>
>-- 
>Regards/Gruss,
>    Boris.
>
>Sent from a fat crate under my desk. Formatting is fine.
>--
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