From: Avi Kivity <avi@redhat.com>
To: "Han, Weidong" <weidong.han@intel.com>
Cc: kvm@vger.kernel.org, "Kay, Allen M" <allen.m.kay@intel.com>,
"Yang, Sheng" <sheng.yang@intel.com>,
Anthony Liguori <anthony@codemonkey.ws>,
Amit Shah <amit.shah@redhat.com>,
benami@il.ibm.com, Muli Ben-Yehuda <muli@il.ibm.com>
Subject: Re: [PATCH] [RESEND] VT-d: Fix iommu map page for mmio pages
Date: Thu, 02 Oct 2008 14:56:55 +0300 [thread overview]
Message-ID: <48E4B707.5060702@redhat.com> (raw)
In-Reply-To: <0122C7C995D32147B66BF4F440D3016301C7D130@pdsmsx415.ccr.corp.intel.com>
Han, Weidong wrote:
> From 61028d958dc7c57ee02de32ea89b025dccb9650d Mon Sep 17 00:00:00 2001
> From: Weidong Han <weidong.han@intel.com>
> Date: Thu, 25 Sep 2008 23:32:02 +0800
> Subject: [PATCH] Map mmio pages into VT-d page table
>
> Assigned device could DMA to mmio pages, so also need to map mmio pages
> into VT-d page table.
>
>
Well, Muli says at least on one machine this allows on guest to kill the
host. What are we doing with this?
If it's a hardware bug which is planned to be fixed (or is already
fixed), great, but I need to know.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2008-10-02 11:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-25 15:41 [PATCH] [RESEND] VT-d: Fix iommu map page for mmio pages Han, Weidong
2008-10-02 11:56 ` Avi Kivity [this message]
2008-10-02 12:09 ` Muli Ben-Yehuda
2008-10-02 12:29 ` Avi Kivity
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