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Re: [Qemu-devel] Can VMX provide real mode support?
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From: |
Jan Kiszka |
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Subject: |
Re: [Qemu-devel] Can VMX provide real mode support? |
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Date: |
Wed, 21 Mar 2012 14:40:46 +0100 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
On 2012-03-21 13:38, GaoYi wrote:
> Hi Jan,
>
> Since the newest Intel-VT supports the guest OS under the real mode,
> which was already supported in AMD-V, can the VMX in the latest KVM support
> that case?
Yes, both with our without that "unrestricted guest" support (as Intel
called it), real mode will generally work. Without that CPU feature, I
think to recall that there were some limitations for big real mode, not
sure.
Jan
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