[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH] x86/hvm: determine shared info format earlier

  • To: Jan Beulich <jbeulich@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Tue, 15 May 2007 08:16:16 +0100
  • Delivery-date: Tue, 15 May 2007 00:12:38 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AceWwO0nK+GcRAK0Edy09AAWy6hiGQ==
  • Thread-topic: [Xen-devel] [PATCH] x86/hvm: determine shared info format earlier

On 15/5/07 08:13, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:

>> I don't think this works since the PV drivers don't re-create the hypercall
>> page after save/restore (bad us!).
> This must be fixed then. I don't think it's appropriate for them to assume
> the hypercall page doesn't change its layout across suspend.

I agree.

>> We could sample the execution mode in *both* places (new and old)?
> Even if it gets fixed in the drivers?

Is that unreasonable?

 -- Keir

Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.