From: Liraz Siri <liraz@turnkeylinux.org>
To: qemu-devel@nongnu.org
Cc: turnkey-discuss@lists.turnkeylinux.org
Subject: Re: [Qemu-devel] Merging improvements from VirtualBox OSE into qemu?
Date: Thu, 25 Dec 2008 16:51:25 +0200 [thread overview]
Message-ID: <49539DED.7080507@turnkeylinux.org> (raw)
In-Reply-To: <49533176.4090908@redhat.com>
Avi Kivity wrote:
> There's nothing magical about it. Most likely they switch to 64-bit
> mode immediately before entering the guest, and switch back immediately
> after the guest exits. In effect their turning the host OS into a
> hybrid 32/64 bit kernel (with the vast majority of the code remaining
> 32-bits).
Sounds easy! Why, I bet one of those KVM wizards could do that over the
weekend, being so smart and all... ;)
Pardon my ignorance, but is it possible to switch to 64-bit mode in
userspace, or do you absolutely need kernel-level support to do that?
Cheers,
Liraz
next prev parent reply other threads:[~2008-12-25 14:51 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-24 12:48 [Qemu-devel] Merging improvements from VirtualBox OSE into qemu? Liraz Siri
2008-12-24 13:17 ` Samuel Thibault
2008-12-24 13:26 ` Alexey Eremenko
2008-12-24 13:31 ` Alexey Eremenko
2008-12-24 13:36 ` Paul Brook
2008-12-24 14:33 ` Liraz Siri
2008-12-24 14:51 ` Jernej Simončič
2008-12-24 15:02 ` Paul Brook
2008-12-24 15:29 ` Liraz Siri
2008-12-24 15:40 ` Anthony Liguori
2008-12-24 20:52 ` Liraz Siri
[not found] ` <E71DFB2B-0B73-46AE-B423-0BF605A9D679@hotmail.com>
2008-12-25 4:37 ` C.W. Betts
2008-12-25 7:06 ` Avi Kivity
2008-12-25 7:07 ` Avi Kivity
2008-12-25 7:08 ` Avi Kivity
2008-12-25 14:51 ` Liraz Siri [this message]
2008-12-25 16:14 ` Avi Kivity
2008-12-24 23:18 ` Jamie Lokier
2008-12-25 7:11 ` Avi Kivity
2008-12-24 15:23 ` Anthony Liguori
2008-12-24 20:21 ` Liraz Siri
2008-12-24 20:55 ` Liraz Siri
2009-01-05 21:12 ` Frank Mehnert
2009-01-05 22:03 ` Stefan Weil
2009-01-05 23:58 ` Anthony Liguori
2009-01-06 7:41 ` Frank Mehnert
2009-01-06 15:46 ` Blue Swirl
2009-01-06 17:33 ` Anthony Liguori
2009-01-06 20:40 ` Frank Mehnert
2009-01-06 22:17 ` Jamie Lokier
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