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(parent: fe41eb4) | patch
KVM: MMU: Make gfn_to_page() always safe
authorIzik Eidus <avi@qumranet.com>
Wed, 17 Oct 2007 17:17:48 +0000 (19:17 +0200)
committerAvi Kivity <avi@qumranet.com>
Wed, 30 Jan 2008 15:52:54 +0000 (17:52 +0200)
commitace8806e38426db0324811c15a4a1f6bbc42b9dd
treed9714d8c13491a433951b83a176f2a04f6521009tree | snapshot
parentfe41eb4d6fea951c43ccdb92f34868c1aa84c4a1commit | diff
KVM: MMU: Make gfn_to_page() always safe

In case the page is not present in the guest memory map, return a dummy
page the guest can scribble on.

This simplifies error checking in its users.

Signed-off-by: Izik Eidus <izike@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
drivers/kvm/kvm.h diff | blob | history
drivers/kvm/kvm_main.c diff | blob | history
drivers/kvm/mmu.c diff | blob | history
drivers/kvm/paging_tmpl.h diff | blob | history
Linux Kernel Source Tree.