linux-kernel - Re: [PATCH 1/1] Allow i386 crash kernels to handle x86

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Message-Id: <1174030286.28658.39.camel@localhost.localdomain>
Date:	Fri, 16 Mar 2007 07:31:26 +0000
From:	Ian Campbell <Ian.Campbell@...Source.com>
To:	vgoyal@...ibm.com
Cc:	Horms <horms@...ge.net.au>, hbabu@...ibm.com,
	fastboot@...ts.osdl.org, linux-kernel@...r.kernel.org,
	Magnus Damm <magnus.damm@...il.com>
Subject: Re: [PATCH 1/1] Allow i386 crash kernels to handle x86_64 dumps

On Fri, 2007-03-16 at 08:12 +0530, Vivek Goyal wrote:
> I did not investigate deeper but I got a basic question. How will kexec
> know that underlying 32bit machine supports 64bit extensions or not?

It looks like /proc/cpuinfo flags contains "lm" (which is long mode,
right?) even if the machine is running 32 bit mode.

Ian.

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