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[Xen-devel] [RESEND][PATCH 4/5]MTRR/PAT virtualization


  • To: <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Su, Disheng" <disheng.su@xxxxxxxxx>
  • Date: Wed, 17 Oct 2007 16:45:29 +0800
  • Delivery-date: Wed, 17 Oct 2007 01:48:33 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcgQmhJGyw5+y/6yQFytl0RDWCUb/A==
  • Thread-topic: [RESEND][PATCH 4/5]MTRR/PAT virtualization

A new hypercall is added to tell hypervisor: caching attribute of some
memory ranges in guest can't be changed by guest itself. Currently the
usage scenario is for VRAM, because VRAM is shared between qemu-dm and
domU if no VGA device is assigned to domU.

Signed-off-by: Disheng Su <disheng.su@xxxxxxxxx>

Best Regards,
Disheng, Su

Attachment: mtrr_04_hypercall.patch
Description: mtrr_04_hypercall.patch

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