linux-kernel - Re: [PATCH 2/3] x86, MCE: Drop default decoding notifier

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Message-ID: <4DA5B708.6020004@redhat.com>
Date:	Wed, 13 Apr 2011 10:45:28 -0400
From:	Prarit Bhargava <prarit@...hat.com>
To:	Borislav Petkov <bp@...64.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Russ Anderson <rja@....com>,
	"Luck, Tony" <tony.luck@...el.com>,
	"dzickus@...hat.com" <dzickus@...hat.com>,
	"mstowe@...hat.com" <mstowe@...hat.com>,
	"dnelson@...hat.com" <dnelson@...hat.com>,
	"rja@...ricas.sgi.com" <rja@...ricas.sgi.com>
Subject: Re: [PATCH 2/3] x86, MCE: Drop default decoding notifier



On 04/13/2011 10:39 AM, Borislav Petkov wrote:
> On Wed, Apr 13, 2011 at 10:32:35AM -0400, Prarit Bhargava wrote:
>   
>>     
>>>> .. right ... but we would still see nonsensical messages before the
>>>> panic, which will confuse the end user.  IMO, dump the messages unless
>>>> it's UC.  And we shouldn't print out the human readable message at all.
>>>>     
>>>>         
>>> I'd still leave the "mcelog ... " line though as a hint.
>>>
>>>   
>>>       
>> :)
>>
>> There are no messages -- that's part of the problem.  We're asking a
>> user to do something for a message that doesn't exist ...
>>     
> Yes and no - in the UC case you get all the MCA registers dumped in
> print_mce() - and those you want to decode. In the CE case, we won't be
> issuing any with the default notifier removed. I just sent you a -v2, I
> think it should do what we want.
>   

Yup.
> Or am I missing something...?
>
>   

Nope. The follow up looks great :)

P.
> Thanks.
>
>   
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