From: Wei Liu <liuw@liuw.name>
To: Christopher Benninger <chrisbenninger@gmail.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>, xen-devel@lists.xensource.com
Subject: Re: MULTI_mmu_update, HYPERVISOR_mmu_update and pte entry
Date: Wed, 18 May 2011 13:47:24 +0800 [thread overview]
Message-ID: <BANLkTimQMJ4MceFvJ+yMxuCa7Tdt_qdtEA@mail.gmail.com> (raw)
In-Reply-To: <BANLkTim4JrTUK5itYNqts4XPzTXma4Z=6A@mail.gmail.com>
On Wed, May 18, 2011 at 1:25 PM, Christopher Benninger
<chrisbenninger@gmail.com> wrote:
> Hi Jeremy,
> I am definitely doing something weird, but on purpose. I am trying to
> determine which process specifically owns the pte in question. I have a domU
> module which I can ask for information, I just dont know how to get the ptr
> provided, into a useful context I can send it.
Most pte updates belong to current process. Maybe you can use CR3 to
determine to which page table a specified pte belongs. But it may be
hard to determine the actual task_struct IMHO.
--
Best regards
Wei Liu
Twitter: @iliuw
Site: http://liuw.name
next prev parent reply other threads:[~2011-05-18 5:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-12 22:41 MULTI_mmu_update, HYPERVISOR_mmu_update and pte entry chrisbenninger
2011-05-17 22:29 ` Jeremy Fitzhardinge
2011-05-18 5:25 ` Christopher Benninger
2011-05-18 5:47 ` Wei Liu [this message]
2011-05-18 8:09 ` Jeremy Fitzhardinge
2011-05-19 17:37 ` Christopher Benninger
2011-05-19 17:49 ` Jeremy Fitzhardinge
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