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[Xen-devel] Are linear page tables and writable page tables incompatible?

  • To: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Kip Macy <kip.macy@xxxxxxxxx>
  • Date: Tue, 19 Apr 2005 12:44:14 -0700
  • Delivery-date: Tue, 19 Apr 2005 19:44:05 +0000
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
At the start of day I enable writable page tables - and they work, but
only when accessed through a separate mapping. FreeBSD's i386 pmap
treats the page tables as an array that is mapped right after
userspace. Can writable page tables be made to work in this context?
   
          -Kip

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