public inbox for kvm@vger.kernel.org
 help / color / mirror / Atom feed
From: Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>
To: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
Cc: kvm-devel <kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Subject: Re: [patch] kvm: make cr3 loading more robust
Date: Wed, 3 Jan 2007 13:40:20 +0100	[thread overview]
Message-ID: <20070103124020.GA9738@elte.hu> (raw)
In-Reply-To: <20070103122814.GA7350-X9Un+BFzKDI@public.gmane.org>


* Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org> wrote:

> > The kvm goals do not include cycle accurate emulation. [...]
> 
> yes. That's why i'm suggesting to kill the VM in such a scenario. A 
> cr3 value is only valid if it points to real RAM.

and if it ever causes real incompatibility it should be easy to address 
it by returning a per-vcpu (or per-vm) special memory slot in 
gfn_to_memslot(), for invalid memory, instead of the current NULL, 
right?

	Ingo

-------------------------------------------------------------------------
Take Surveys. Earn Cash. Influence the Future of IT
Join SourceForge.net's Techsay panel and you'll get the chance to share your
opinions on IT & business topics through brief surveys - and earn cash
http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV

  parent reply	other threads:[~2007-01-03 12:40 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-03  2:10 [patch] kvm: make cr3 loading more robust Ingo Molnar
     [not found] ` <20070103021057.GA11316-X9Un+BFzKDI@public.gmane.org>
2007-01-03  8:29   ` Avi Kivity
     [not found]     ` <459B695C.5090004-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-01-03 11:52       ` Ingo Molnar
     [not found]         ` <20070103115230.GB937-X9Un+BFzKDI@public.gmane.org>
2007-01-03 12:00           ` Avi Kivity
     [not found]             ` <459B9AC7.6020506-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-01-03 12:01               ` Avi Kivity
2007-01-03 12:13               ` Ingo Molnar
     [not found]                 ` <20070103121301.GC2786-X9Un+BFzKDI@public.gmane.org>
2007-01-03 12:25                   ` Avi Kivity
     [not found]                     ` <459BA0B4.20804-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-01-03 12:28                       ` Ingo Molnar
     [not found]                         ` <20070103122814.GA7350-X9Un+BFzKDI@public.gmane.org>
2007-01-03 12:40                           ` Ingo Molnar [this message]
     [not found]                             ` <20070103124020.GA9738-X9Un+BFzKDI@public.gmane.org>
2007-01-03 13:14                               ` Avi Kivity
     [not found]                                 ` <459BAC45.9090202-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-01-03 13:20                                   ` Ingo Molnar
     [not found]                                     ` <20070103132033.GA18027-X9Un+BFzKDI@public.gmane.org>
2007-01-03 13:34                                       ` Avi Kivity
2007-01-03 12:59                           ` Avi Kivity
2007-01-03 11:59       ` Ingo Molnar
     [not found]         ` <20070103115911.GA2786-X9Un+BFzKDI@public.gmane.org>
2007-01-03 12:06           ` Avi Kivity
     [not found]             ` <459B9C5C.9060008-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-01-03 12:21               ` Ingo Molnar
     [not found]                 ` <20070103122114.GD2786-X9Un+BFzKDI@public.gmane.org>
2007-01-03 12:29                   ` Avi Kivity
     [not found]                     ` <459BA194.8070305-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-01-03 12:32                       ` Ingo Molnar
     [not found]                         ` <20070103123253.GA8822-X9Un+BFzKDI@public.gmane.org>
2007-01-03 13:13                           ` Avi Kivity
2007-01-03 13:37                           ` Ingo Molnar
     [not found]                             ` <20070103133714.GA20638-X9Un+BFzKDI@public.gmane.org>
2007-01-03 13:44                               ` Ingo Molnar
     [not found]                                 ` <20070103134417.GA22055-X9Un+BFzKDI@public.gmane.org>
2007-01-04  8:58                                   ` Avi Kivity
     [not found]                                     ` <459CC1BC.3070308-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-01-04  9:06                                       ` Ingo Molnar
2007-01-04  8:55                               ` Avi Kivity

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20070103124020.GA9738@elte.hu \
    --to=mingo-x9un+bfzkdi@public.gmane.org \
    --cc=avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org \
    --cc=kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox