From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: Zachary Amsden <zach-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: [RFC][PATCH] ignore set_cr3 GP fault in non-pae mode
Date: Wed, 19 Sep 2007 18:26:01 +0200 [thread overview]
Message-ID: <46F14D99.7080309@qumranet.com> (raw)
In-Reply-To: <1190217717.8353.29.camel-cxY/u30q8FloTgUnLF1by8fTvwmfpRNyZeezCHUQhQ4@public.gmane.org>
Zachary Amsden wrote:
> BTW, VMware can run 64-bit guests on a 32-bit host, all it needs is
> capable hardware, so unless you mask the 64-bit support in KVM, you
> could have a strange situation where the 32-bit KVM starts (or tries to
> start, expecting success) running 64-bit code. I can imagine a couple
> of ways that could blow up the host if assumptions are made that 32-bit
> guests will limit themselves to running 32-bit code. So if you don't
> support EFER.LM activation, you should strip the cpuid bit from
> hardware.
>
We do that.
--
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next prev parent reply other threads:[~2007-09-19 16:26 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-18 19:05 [RFC][PATCH] ignore set_cr3 GP fault in non-pae mode Ryan Harper
[not found] ` <20070918190516.GC7519-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-09-18 19:15 ` Anthony Liguori
[not found] ` <46F023D8.90905-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2007-09-18 21:21 ` Nakajima, Jun
[not found] ` <97D612E30E1F88419025B06CB4CF1BE1037F9013-1a9uaKK1+wJcIJlls4ac1rfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-09-18 21:25 ` Ryan Harper
[not found] ` <20070918212509.GE7519-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-09-18 21:34 ` Nakajima, Jun
2007-09-18 21:58 ` Zachary Amsden
[not found] ` <1190152700.8353.14.camel-cxY/u30q8FloTgUnLF1by8fTvwmfpRNyZeezCHUQhQ4@public.gmane.org>
2007-09-18 22:03 ` Ryan Harper
[not found] ` <20070918220308.GF7519-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-09-19 8:57 ` Avi Kivity
[not found] ` <46F0E46C.1060905-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-09-19 14:55 ` Ryan Harper
[not found] ` <20070919145536.GH7519-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-09-19 15:08 ` Anthony Liguori
[not found] ` <46F13B5F.4050107-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2007-09-19 16:01 ` Zachary Amsden
[not found] ` <1190217717.8353.29.camel-cxY/u30q8FloTgUnLF1by8fTvwmfpRNyZeezCHUQhQ4@public.gmane.org>
2007-09-19 16:26 ` Avi Kivity [this message]
2007-09-19 17:09 ` Ryan Harper
2007-09-23 12:57 ` Avi Kivity
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