From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
Cc: Chris Wright <chrisw@sous-sol.org>,
Michael A Fetterman <Michael.Fetterman@cl.cam.ac.uk>,
Tim Deegan <Tim.Deegan@xensource.com>,
Xen-devel <xen-devel@lists.xensource.com>
Subject: Re: shadow2 corrupting PV guest state
Date: Mon, 16 Oct 2006 15:09:52 -0700 [thread overview]
Message-ID: <45340330.1000408@goop.org> (raw)
In-Reply-To: <C1564AE3.286B%Keir.Fraser@cl.cam.ac.uk>
Keir Fraser wrote:
> The shadow-refcount code in shadow2 is very new. It's likely to have bugs
> that need shaking out.
Yep, that's pretty much what I'd expect.
> It won't be a deferred pagetable update because they
> don't exist in shadow2 (updates are always synchronously emulated).
>
OK, so every write to a pagetable page will take the fault&emulate
path? What's your confidence level in the emulator?
J
next prev parent reply other threads:[~2006-10-16 22:09 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-13 23:27 shadow2 corrupting PV guest state Jeremy Fitzhardinge
2006-10-14 7:05 ` Keir Fraser
2006-10-16 22:09 ` Jeremy Fitzhardinge [this message]
2006-10-17 6:51 ` Keir Fraser
2006-10-17 18:54 ` Jeremy Fitzhardinge
2006-10-20 13:42 ` Doi.Tsunehisa
2006-10-20 13:57 ` Tim Deegan
2006-10-23 5:45 ` Doi.Tsunehisa
2006-10-23 10:26 ` Tim Deegan
2006-10-23 11:21 ` Doi.Tsunehisa
2006-10-23 12:42 ` Tim Deegan
2006-10-24 7:18 ` Doi.Tsunehisa
2006-10-24 9:09 ` Tim Deegan
2006-10-24 9:39 ` Doi.Tsunehisa
2006-10-24 9:44 ` Keir Fraser
2006-10-24 10:05 ` Doi.Tsunehisa
2006-10-24 10:08 ` Keir Fraser
2006-10-24 10:16 ` Doi.Tsunehisa
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