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[Xen-devel] Are linear page tables and writable page tables incompatible
| To: | xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] Are linear page tables and writable page tables incompatible? |
| 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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| Reply-to: | Kip Macy <kip.macy@xxxxxxxxx> |
| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
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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