linux-kernel - Re: [RFC Patch 5/6] slimdump: Capture slimdump for fatal MCE generated crashes

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Message-ID: <20110526185838.GG4065@one.firstfloor.org>
Date:	Thu, 26 May 2011 20:58:38 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	"K.Prasad" <prasad@...ux.vnet.ibm.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"Luck, Tony" <tony.luck@...el.com>, kexec@...ts.infradead.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>, anderson@...hat.com
Subject: Re: [RFC Patch 5/6] slimdump: Capture slimdump for fatal MCE generated crashes

> If we are just extracting and saving MCE registers from vmcore, then
> reboot time does not increase. It increases only if user decides to
> extract and save extra data from vmcore.

Hmm I was thinking of user space usually saving the dump first
before analyzing it. But yes it could probably do some minimal
analysis first.

I guess most user spaces just won't change and will just continue
to DTWT though.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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