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

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Message-ID: <aec7e5c30703160305p5d91af41h147e3a6c2687bcd9@mail.gmail.com>
Date:	Fri, 16 Mar 2007 19:05:30 +0900
From:	"Magnus Damm" <magnus.damm@...il.com>
To:	vgoyal@...ibm.com
Cc:	"Ian Campbell" <Ian.Campbell@...source.com>,
	Horms <horms@...ge.net.au>, fastboot@...ts.osdl.org,
	linux-kernel@...r.kernel.org
Subject: Re: [Fastboot] [PATCH 1/1] Allow i386 crash kernels to handle x86_64 dumps

On 3/16/07, Vivek Goyal <vgoyal@...ibm.com> wrote:
> Got a question. When running 32bit dom0 on 64bit hypervisor, which
> kexec-tools elf loader will kick in? 32bit or 64bit? Looks like in this
> case 64bit one. But shouldn't it be 32bit as 32bit OS is running and we
> must be using the kexec-tools binary compiled for 32bit OS? And if 32bit
> loader kicks in we will not be passing any acpi parameters.

There is no check to see if the hypervisor is 32 or 64 bits present
today. So the 32-bit version of kexec-tools will support loading
images like any other 32-bit kexec-tools.

Thanks,

/ magnus
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