From mboxrd@z Thu Jan  1 00:00:00 1970
From: Samuel Thibault <samuel.thibault@eu.citrix.com>
Subject: Re: Early test for 32- vs 64-bit hvm domain?
Date: Wed, 30 Jan 2008 00:11:34 +0000
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To: Dan Magenheimer <dan.magenheimer@oracle.com>
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Dan Magenheimer, le Tue 29 Jan 2008 17:01:22 -0700, a écrit :
> What is the proper way to test to see if an hvm domain is destined
> to be x86 vs x86_64 whilst still early in its initialization in the
> hypervisor, e.g. in hvm_vcpu_initialise(v) or hvm_domain_initialise(d)?
> Is this information pased down from hvmloader or does it get
> discovered somehow?  Or maybe it is not possible to determine
> until a vcpu actually starts executing?

As long as e.g. Linux has not started (i.e. during bios and grub for
instance), you can't know whether that will be a 64bit Linux or a 32bit
Linux.

Samuel