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[Xen-devel] XENFEAT_writable_pagetables vs VMASST_TYPE_writable_pagetables


  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: "Jacob Gorm Hansen" <jacobg@xxxxxxx>
  • Date: Wed, 31 May 2006 16:22:47 +0200
  • Delivery-date: Wed, 31 May 2006 07:23:15 -0700
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

hi,

(this is on xen-3.0.testing.hg),

I am trying to figure out what the difference is between calling
vm-assist to enable writable page tables, and what the xen-feature
with the same name does. The former is enabled, while the latter
returns false. This has the effect that the various checks from
changeset 9243:f00e257d200c fail and pages are still pinned/unpinned,
but things still seem to work. This is with my own domain builder
using libxc.

So what is the story when combining VMASST_ and XENFEAT_?

Jacob

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