Re: [Xen-devel] [PATCH 12/13] xen: if p2m list located in to be remapped region delay remapping

[Juergen Gross <jgross@xxxxxxxx>]

On 02/19/2015 06:44 PM, David Vrabel wrote:
> On 18/02/2015 06:52, Juergen Gross wrote:
> > With adapting the memory layout of dom0 to that of the host care must
> > be taken not to remap the initial p2m list supported by the hypervisor.
> "...supplied by the hypervisor" ?
Yes, of course.

> > If the p2m map is detected to be in a region which is going to be
> > remapped, delay the remapping of that area. Not doing so can either
> > crash the system very early, or lead to clobbered data as the target
> > memory area of the remap operation will no longer be reserved.
> Would it be better to relocate the p2m before remapping memory?  If not,
> explain why in the commit message.
Okay, will do.


Juergen

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