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Re: [Xen-devel] Xen hypervisor hangs on booting against c/s 16925

  • To: Jan Beulich <jbeulich@xxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Tue, 29 Jan 2008 10:40:30 +0000
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 29 Jan 2008 02:41:11 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AchiYt8jHekXzM5WEdyyYwAX8io7RQAAH73r
  • Thread-topic: [Xen-devel] Xen hypervisor hangs on booting against c/s 16925

Also, bear in mind that dom0 permanently has a WB mapping of the whole
bottom megabyte.

 -- Keir

On 29/1/08 10:36, "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx> wrote:

> How about we just map the whole megabyte UC- at start of day? We rarely touch
> anything down there and when we do it'll mostly be BIOS tables (hence in ROM
> and hence not marked as RAM in e820 and hence your approach would have them
> also marked UC-). That at least has the tangible benefit of removing a few
> lines of (assembly) code. :-)
>  -- Keir

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