linux-kernel - Re: [PATCH v4] x86: mce: kexec: switch MCE handler for kexec/kdump

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Message-ID: <20150305084841.GD3915@pd.tnic>
Date:	Thu, 5 Mar 2015 09:48:41 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	"Luck, Tony" <tony.luck@...el.com>
Cc:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Prarit Bhargava <prarit@...hat.com>,
	Vivek Goyal <vgoyal@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Junichi Nomura <j-nomura@...jp.nec.com>,
	Kiyoshi Ueda <k-ueda@...jp.nec.com>
Subject: Re: [PATCH v4] x86: mce: kexec: switch MCE handler for kexec/kdump

On Wed, Mar 04, 2015 at 11:12:33PM +0000, Luck, Tony wrote:
> > - fixed AR and UC order in enum severity_level because UC is severer than AR
> >  by definition. Current code is not affected by this wrong order by chance.
> 
> AR and AO are both UC errors - that happen also to be recoverable.  Are you really sure
> about this re-order not affecting existing code?  You might well be right, but as every one
> else has pointed out mce_severity() is full of odd subtleties that catch people out.

Hallelujah! :-)

-- 
Regards/Gruss,
    Boris.

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