From: Samuel Thibault <samuel.thibault@eu.citrix.com>
To: Dan Magenheimer <dan.magenheimer@oracle.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: Early test for 32- vs 64-bit hvm domain?
Date: Wed, 30 Jan 2008 00:11:34 +0000 [thread overview]
Message-ID: <20080130001134.GM4386@implementation> (raw)
In-Reply-To: <20080129170122812.00000002384@djm-pc>
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
next prev parent reply other threads:[~2008-01-30 0:11 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-30 0:01 Early test for 32- vs 64-bit hvm domain? Dan Magenheimer
2008-01-30 0:11 ` Samuel Thibault [this message]
2008-01-30 0:34 ` Dan Magenheimer
2008-01-30 8:21 ` Keir Fraser
2008-01-30 18:44 ` Andi Kleen
2008-01-30 19:28 ` Keir Fraser
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