Re: [Xen-devel] [PATCH] disable writable pagetables on FreeBSD

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 30 Apr 2005, at 03:30, Kip Macy wrote:

> Presumably as a result of recent changes, FreeBSD no longer works with
> writable page tables. In the short-term I'm more interested in
> functionality than performance. This patch disables them and fixes a
> compile issue.
The obvious change is we reenabled batched wrpt mode. This requires the 
guest to deal with reading page directory entries that have the present 
bit (bit 0) cleared, even though that entry is logically present. :-)
You may hav eforgotten to handle this, since it was not required all 
the while we were using emulation mode only.
 -- Keir


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