From: Heiko Carstens <heiko.carstens-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
To: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
Cc: carsteno-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org,
"kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org"
<kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
Christian Borntraeger
<cborntra-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>,
mschwid2-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org
Subject: Re: [PATCH/PFC 0/2] s390 host support
Date: Sun, 29 Apr 2007 14:13:51 +0200 [thread overview]
Message-ID: <20070429121351.GA8254@osiris.ibm.com> (raw)
In-Reply-To: <463477EE.3000406-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
> Nested page tables/extended page tables also provide this facility, with
> some caveats:
>
> - on 32-bit hosts (or 64-bit hosts with 32-bit userspace), host
> userspace virtual address space is not enough to contain the guest
> physical address space.
> - there is no way to protect the host userspace from the guest
Sorry, but are you saying that it is currently possible to access
(read and/or write) host userspace address space from the guest?
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next prev parent reply other threads:[~2007-04-29 12:13 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-27 13:40 [PATCH/PFC 0/2] s390 host support Carsten Otte
[not found] ` <1177681224.5770.20.camel-WIxn4w2hgUz3YA32ykw5MLlKpX0K8NHHQQ4Iyu8u01E@public.gmane.org>
2007-04-27 15:14 ` Carsten Otte
2007-04-28 6:27 ` Avi Kivity
[not found] ` <4632E94C.20904-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-04-28 8:45 ` Carsten Otte
[not found] ` <4633099D.3020709-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-04-29 9:13 ` Avi Kivity
[not found] ` <463461B1.7060406-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-04-29 10:24 ` Carsten Otte
[not found] ` <4634726F.10705-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-04-29 10:48 ` Avi Kivity
[not found] ` <463477EE.3000406-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-04-29 11:15 ` Carsten Otte
[not found] ` <46347E6D.90409-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-04-29 11:49 ` Avi Kivity
[not found] ` <46348661.6000909-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-04-29 14:27 ` Carsten Otte
[not found] ` <4634AB6C.4020901-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-04-29 15:06 ` Avi Kivity
2007-04-30 14:48 ` Carsten Otte
[not found] ` <463601A3.3070206-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-04-30 14:56 ` Avi Kivity
[not found] ` <463603B6.3010105-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-05-14 14:17 ` Carsten Otte
[not found] ` <46486F89.3080609-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-05-14 14:50 ` Avi Kivity
[not found] ` <4648774E.2060304-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-05-14 15:26 ` Carsten Otte
[not found] ` <46487FA5.4090905-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-05-14 15:29 ` Carsten Otte
[not found] ` <46488047.8090404-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-05-14 15:55 ` Avi Kivity
2007-05-14 15:53 ` Avi Kivity
2007-04-29 12:13 ` Heiko Carstens [this message]
[not found] ` <20070429121351.GA8254-5VkHqLvV2o3MbYB6QlFGEg@public.gmane.org>
2007-04-29 12:27 ` Avi Kivity
2007-04-29 8:11 ` Heiko Carstens
[not found] ` <20070429081157.GC8332-5VkHqLvV2o3MbYB6QlFGEg@public.gmane.org>
2007-04-29 8:45 ` Avi Kivity
2007-04-30 18:58 ` Hollis Blanchard
[not found] ` <pan.2007.04.30.18.58.56.432063-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-05-01 6:43 ` Avi Kivity
2007-05-01 14:53 ` Hollis Blanchard
[not found] ` <pan.2007.05.01.14.53.20.257696-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-05-01 14:57 ` Avi Kivity
2007-04-27 16:19 ` Hollis Blanchard
[not found] ` <pan.2007.04.27.16.18.10.889473-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-04-27 19:58 ` Carsten Otte
[not found] ` <463255F3.2000500-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-04-27 22:34 ` Dong, Eddie
2007-04-29 8:09 ` Heiko Carstens
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