Date: Tue, 24 Feb 2015 19:40:33 +0100
From: Borislav Petkov <bp@alien8.de>
To: "Luck, Tony" <tony.luck@intel.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
        Naoya Horiguchi <nao.horiguchi@gmail.com>,
        Vivek Goyal <vgoyal@redhat.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Junichi Nomura <j-nomura@ce.jp.nec.com>,
        Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Subject: Re: [PATCH 1/2] x86: mce: kdump: use under_crashdumping to turn off
 MCE in all CPUs together
Message-ID: <20150224184033.GL3420@pd.tnic>
References: <1424682719-16493-1-git-send-email-n-horiguchi@ah.jp.nec.com>
 <20150223092739.GA22757@pd.tnic>
 <54EB24BE.5050006@gmail.com>
 <20150223135842.GA22753@pd.tnic>
 <54EB4A17.6020800@gmail.com>
 <20150223170653.GA16699@pd.tnic>
 <20150224081517.GB2918@hori1.linux.bs1.fc.nec.co.jp>
 <20150224095616.GB3420@pd.tnic>
 <3908561D78D1C84285E8C5FCA982C28F329EB977@ORSMSX114.amr.corp.intel.com>
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On Tue, Feb 24, 2015 at 06:20:16PM +0000, Luck, Tony wrote:
> I'm not sure - the broadcast MCE will still arrive at that cpu - and
> with CR4.MCE==0, it will shutdown. Not sure if that just affects that
> logical thread, or if it pulls a signal line to take down the whole
> machine.

If that is the case, the tolerance level might be the better approach
after all...

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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