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[Xen-devel] [PATCH xen-unstable] Remove PSE flag from guest CR4
| To: | Xen Developers List <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <Keir.Fraser@xxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATCH xen-unstable] Remove PSE flag from guest CR4 |
| From: | Dave McCracken <dcm@xxxxxxxx> |
| Date: | Mon, 14 Sep 2009 12:27:16 -0500 |
| Cc: | Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
| Delivery-date: | Mon, 14 Sep 2009 10:27:50 -0700 |
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When I originally did the Xen hypervisor hugepage patch I also allowed guests to see the PSE flag in CR4. This has proven to be a mistake. Here is a patch to remove that functionality. All Linux kernels will still allow userspace hugepages without the flag. Dave McCracken
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