KVM: Handle vma regions with no backing page
authorAnthony Liguori <aliguori@us.ibm.com>
Wed, 30 Apr 2008 20:37:07 +0000 (15:37 -0500)
committerAvi Kivity <avi@qumranet.com>
Sun, 20 Jul 2008 09:40:49 +0000 (12:40 +0300)
commit2e2e3738af33575cba59597acd5e80cdd5ec11ee
tree8ba77f83b781bf219a28986b31802b48858cd869
parentd2ebb4103ff349af6dac14955bf93e57487a6694
KVM: Handle vma regions with no backing page

This patch allows VMAs that contain no backing page to be used for guest
memory.  This is useful for assigning mmio regions to a guest.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
virt/kvm/kvm_main.c