Re: [Xen-devel] WP flag in CR0, setting

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 17 Jun 2006, at 01:50, Nakajima, Jun wrote:

> It should be working in HVM guest. See, for example:
>
> ...
> Memory: 3040444k/3071992k available (1918k kernel code, 30156k 
> reserved,
> 775k data, 176k init, 2154492k highmem)
> Checking if this processor honours the WP bit even in supervisor 
> mode...
> Ok.
> Calibrating delay using timer specific routine.. 4803.94 BogoMIPS
> (lpj=9607882)
That shows it honours CR0.WP=1, which is all Linux cares about. Linux 
never sets CR0.WP=0 so that case is probably not tested.
 -- Keir


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