From: Daniel Castro <evil.dani@gmail.com>
To: henanwxr <henanwxr@hotmail.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: Question about EPT translation
Date: Mon, 30 May 2011 06:49:02 +0900 [thread overview]
Message-ID: <BANLkTi=1nOQ2L9ab+nXi=Pb4VSn4qqxJxw@mail.gmail.com> (raw)
In-Reply-To: <BLU163-ds373A534D93901C3E0FB82DE780@phx.gbl>
Hello,
Next time I will only replay through the list. CC the list
2011/5/29 henanwxr <henanwxr@hotmail.com>:
> Hi Daniel, I have post my questions on xen-devel but nobody reply. So I turn
> to you for help.
> 1. Does hvmoader need EPT for address translation when it is running?
If you are talking to pure HVM Guest then yes.
> 2. I am sure the guest kernel need EPT when running, but not sure whether
> hvmloader also needs. I think when virtual bios in hvmloader running, we
> should make virtual bios sees as if the memory starting from 0, so hvmloader
> needs EPT, am I right?
Yes
> 3. If hvmloader needs EPT, where we construct EPT structure for it? I can't
> find correlative part in code flow.
The address translation is not done by hvmloader, hvmloader is only
used to deploy data to memory, the translation is done via Hypervisor
aided by hardware.
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| +---------------------------------+ | This space intentionally blank
for notetaking.
| | | Daniel Castro, |
| | | Consultant/Programmer.|
| | | U Andes |
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next parent reply other threads:[~2011-05-29 21:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <BLU163-ds373A534D93901C3E0FB82DE780@phx.gbl>
2011-05-29 21:49 ` Daniel Castro [this message]
2011-05-30 10:22 ` Re: Question about EPT translation Ian Campbell
2011-05-31 9:19 ` Ian Campbell
2011-05-27 16:17 confucius
2011-05-30 8:42 ` Tim Deegan
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