From: Anthony Liguori <anthony-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
To: "Dong, Eddie" <eddie.dong-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
"Liu,
Eric E" <eric.e.liu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH] KVM: emulator: Only allow VMCALL/VMMCALL trapped by #UD
Date: Sat, 05 Jan 2008 20:29:03 -0600 [thread overview]
Message-ID: <47803CEF.7000303@codemonkey.ws> (raw)
In-Reply-To: <10EA09EFD8728347A513008B6B0DA77A029B54D6-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
Dong, Eddie wrote:
> Anthony:
> Actually I am wondering if the binary used for VMMCALL could be
> assumed will never be used by Intel processor or vice versa. BTW, what
> is the nenefit to remove hypercall page, which provide more clean
> approach IMO?
>
A hypercall page doesn't help the situation with respect to migration
between an AMD and Intel system. It was bad enough that Intel and AMD
couldn't just agree on a common instruction in the first place. It
would just be mean if you reused the other guys VMCALL instruction for
something else. You guys can't be that mean, right ;-)
Regards,
Anthony Liguori
> thx,eddie
>
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next prev parent reply other threads:[~2008-01-06 2:29 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-04 1:36 [PATCH] KVM: emulator: Only allow VMCALL/VMMCALL trapped by #UD Yang, Sheng
[not found] ` <200801040936.08670.sheng.yang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2008-01-04 2:12 ` Anthony Liguori
[not found] ` <477D9610.4010605-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2008-01-04 5:52 ` Dong, Eddie
[not found] ` <10EA09EFD8728347A513008B6B0DA77A029B54D6-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2008-01-05 23:36 ` Dor Laor
2008-01-06 2:29 ` Anthony Liguori [this message]
[not found] ` <47803CEF.7000303-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2008-01-07 10:01 ` Dong, Eddie
[not found] ` <10EA09EFD8728347A513008B6B0DA77A029B5DC3-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2008-01-07 10:09 ` Avi Kivity
[not found] ` <4781FA68.7040604-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-07 14:42 ` Dong, Eddie
[not found] ` <10EA09EFD8728347A513008B6B0DA77A029B5E20-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2008-01-07 17:43 ` Avi Kivity
[not found] ` <478264B5.8030503-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-09 15:03 ` Dong, Eddie
[not found] ` <10EA09EFD8728347A513008B6B0DA77A029F5259-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2008-01-09 15:20 ` Avi Kivity
[not found] ` <4784E64E.30205-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-09 15:34 ` Dong, Eddie
2008-01-06 8:40 ` Avi Kivity
[not found] ` <478093F0.6060003-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-07 2:21 ` Yang, Sheng
[not found] ` <200801071021.12038.sheng.yang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2008-01-07 9:22 ` Avi Kivity
[not found] ` <4781EF63.4010201-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-07 10:23 ` Yang, Sheng
[not found] ` <200801071823.15040.sheng.yang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2008-01-07 10:43 ` Avi Kivity
[not found] ` <47820268.9060309-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-07 11:21 ` Yang, Sheng
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