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[Xen-devel] the difference between making a page RO and pinning a page

To: xen-devel@xxxxxxxxxxxxxxxxxxx
From: leilei175@xxxxxxxxx
Date: Sat, 6 Jun 2009 09:34:12 +0800
Delivery-date: Fri, 05 Jun 2009 18:34:41 -0700
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List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Hi,

Is there any difference between making a page RO and pinning a page?
Are they both used To eliminate the guest from modifying the pagetable?

Could someone please shed some light on this?
I have been confused by these two operations.

Thanks

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