From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: "Dong, Eddie" <eddie.dong-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: kvm-devel <kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Subject: Re: global TSS?
Date: Tue, 09 Oct 2007 11:46:07 +0200 [thread overview]
Message-ID: <470B4DDF.6050000@qumranet.com> (raw)
In-Reply-To: <10EA09EFD8728347A513008B6B0DA77A0231C124-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
Dong, Eddie wrote:
> Avi:
> It seems we are using global TSS, and init_rmode_tss will modify
> the table each time when VCPU is reset. Should we move to per CPU TSS
> for correct real mode emulation?
>
Why is it a problem?
But, the real-mode tss can definitely be improved. Right now it uses
guest memory, and it really shouldn't. The best solution is probably to
allocate a global tss (for all guests) out of host memory, and modify
the mmu to map it at some safe location (like 4GB - 512KB - 12KB)
--
error compiling committee.c: too many arguments to function
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prev parent reply other threads:[~2007-10-09 9:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-09 8:39 global TSS? Dong, Eddie
[not found] ` <10EA09EFD8728347A513008B6B0DA77A0231C124-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-10-09 9:46 ` Avi Kivity [this message]
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